diff options
author | Cyrill Gorcunov <gorcunov@gmail.com> | 2007-07-21 11:37:18 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-22 00:49:14 (GMT) |
commit | 28de7948a896763bc97ccd416bba5b9422158350 (patch) | |
tree | abee128b137a6fa9fa4104b7bbc4ee409467c38f | |
parent | 71133027febfabd501fde7583b30008224f4d799 (diff) | |
download | linux-fsl-qoriq-28de7948a896763bc97ccd416bba5b9422158350.tar.xz |
UDF: coding style conversion - lindent fixups
This patch fixes up sources after conversion by Lindent.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Jan Kara <jack@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | fs/udf/balloc.c | 420 | ||||
-rw-r--r-- | fs/udf/crc.c | 4 | ||||
-rw-r--r-- | fs/udf/dir.c | 60 | ||||
-rw-r--r-- | fs/udf/directory.c | 68 | ||||
-rw-r--r-- | fs/udf/ecma_167.h | 684 | ||||
-rw-r--r-- | fs/udf/file.c | 72 | ||||
-rw-r--r-- | fs/udf/fsync.c | 2 | ||||
-rw-r--r-- | fs/udf/ialloc.c | 38 | ||||
-rw-r--r-- | fs/udf/inode.c | 948 | ||||
-rw-r--r-- | fs/udf/lowlevel.c | 4 | ||||
-rw-r--r-- | fs/udf/misc.c | 87 | ||||
-rw-r--r-- | fs/udf/namei.c | 410 | ||||
-rw-r--r-- | fs/udf/osta_udf.h | 164 | ||||
-rw-r--r-- | fs/udf/partition.c | 212 | ||||
-rw-r--r-- | fs/udf/super.c | 1023 | ||||
-rw-r--r-- | fs/udf/symlink.c | 14 | ||||
-rw-r--r-- | fs/udf/truncate.c | 113 | ||||
-rw-r--r-- | fs/udf/udf_i.h | 2 | ||||
-rw-r--r-- | fs/udf/udf_sb.h | 26 | ||||
-rw-r--r-- | fs/udf/udfdecl.h | 4 | ||||
-rw-r--r-- | fs/udf/udfend.h | 20 | ||||
-rw-r--r-- | fs/udf/udftime.c | 82 | ||||
-rw-r--r-- | fs/udf/unicode.c | 155 |
23 files changed, 1910 insertions, 2702 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index ef48d09..276f720 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -70,9 +70,9 @@ static inline int find_next_one_bit(void *addr, int size, int offset) if (!size) return result; tmp = leBPL_to_cpup(p); - found_first: +found_first: tmp &= ~0UL >> (BITS_PER_LONG - size); - found_middle: +found_middle: return result + ffz(~tmp); } @@ -110,11 +110,11 @@ static int __load_block_bitmap(struct super_block *sb, nr_groups); } - if (bitmap->s_block_bitmap[block_group]) + if (bitmap->s_block_bitmap[block_group]) { return block_group; - else { - retval = - read_block_bitmap(sb, bitmap, block_group, block_group); + } else { + retval = read_block_bitmap(sb, bitmap, block_group, + block_group); if (retval < 0) return retval; return block_group; @@ -155,22 +155,16 @@ static void udf_bitmap_free_blocks(struct super_block *sb, mutex_lock(&sbi->s_alloc_mutex); if (bloc.logicalBlockNum < 0 || - (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, - bloc. - partitionReferenceNum)) - { - udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0, - bloc.logicalBlockNum, count, UDF_SB_PARTLEN(sb, - bloc. - partitionReferenceNum)); + (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) { + udf_debug("%d < %d || %d + %d > %d\n", + bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, + UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)); goto error_return; } - block = - bloc.logicalBlockNum + offset + - (sizeof(struct spaceBitmapDesc) << 3); + block = bloc.logicalBlockNum + offset + (sizeof(struct spaceBitmapDesc) << 3); - do_more: +do_more: overflow = 0; block_group = block >> (sb->s_blocksize_bits + 3); bit = block % (sb->s_blocksize << 3); @@ -190,18 +184,13 @@ static void udf_bitmap_free_blocks(struct super_block *sb, for (i = 0; i < count; i++) { if (udf_set_bit(bit + i, bh->b_data)) { udf_debug("bit %ld already set\n", bit + i); - udf_debug("byte=%2x\n", - ((char *)bh->b_data)[(bit + i) >> 3]); + udf_debug("byte=%2x\n", ((char *)bh->b_data)[(bit + i) >> 3]); } else { if (inode) DQUOT_FREE_BLOCK(inode, 1); if (UDF_SB_LVIDBH(sb)) { - UDF_SB_LVID(sb)-> - freeSpaceTable[UDF_SB_PARTITION(sb)] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)-> - freeSpaceTable[UDF_SB_PARTITION - (sb)]) + 1); + UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] = + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + 1); } } } @@ -211,7 +200,7 @@ static void udf_bitmap_free_blocks(struct super_block *sb, count = overflow; goto do_more; } - error_return: +error_return: sb->s_dirt = 1; if (UDF_SB_LVIDBH(sb)) mark_buffer_dirty(UDF_SB_LVIDBH(sb)); @@ -238,7 +227,7 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb, if (first_block + block_count > UDF_SB_PARTLEN(sb, partition)) block_count = UDF_SB_PARTLEN(sb, partition) - first_block; - repeat: +repeat: nr_groups = (UDF_SB_PARTLEN(sb, partition) + (sizeof(struct spaceBitmapDesc) << 3) + (sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8); @@ -254,11 +243,11 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb, bit = block % (sb->s_blocksize << 3); while (bit < (sb->s_blocksize << 3) && block_count > 0) { - if (!udf_test_bit(bit, bh->b_data)) + if (!udf_test_bit(bit, bh->b_data)) { goto out; - else if (DQUOT_PREALLOC_BLOCK(inode, 1)) + } else if (DQUOT_PREALLOC_BLOCK(inode, 1)) { goto out; - else if (!udf_clear_bit(bit, bh->b_data)) { + } else if (!udf_clear_bit(bit, bh->b_data)) { udf_debug("bit already cleared for block %d\n", bit); DQUOT_FREE_BLOCK(inode, 1); goto out; @@ -271,12 +260,10 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb, mark_buffer_dirty(bh); if (block_count > 0) goto repeat; - out: +out: if (UDF_SB_LVIDBH(sb)) { UDF_SB_LVID(sb)->freeSpaceTable[partition] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)->freeSpaceTable[partition]) - - alloc_count); + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count); mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } sb->s_dirt = 1; @@ -299,7 +286,7 @@ static int udf_bitmap_new_block(struct super_block *sb, *err = -ENOSPC; mutex_lock(&sbi->s_alloc_mutex); - repeat: +repeat: if (goal < 0 || goal >= UDF_SB_PARTLEN(sb, partition)) goal = 0; @@ -312,31 +299,27 @@ static int udf_bitmap_new_block(struct super_block *sb, if (bitmap_nr < 0) goto error_return; bh = bitmap->s_block_bitmap[bitmap_nr]; - ptr = - memscan((char *)bh->b_data + group_start, 0xFF, - sb->s_blocksize - group_start); + ptr = memscan((char *)bh->b_data + group_start, 0xFF, + sb->s_blocksize - group_start); if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) { bit = block % (sb->s_blocksize << 3); - - if (udf_test_bit(bit, bh->b_data)) { + if (udf_test_bit(bit, bh->b_data)) goto got_block; - } + end_goal = (bit + 63) & ~63; bit = udf_find_next_one_bit(bh->b_data, end_goal, bit); if (bit < end_goal) goto got_block; - ptr = - memscan((char *)bh->b_data + (bit >> 3), 0xFF, - sb->s_blocksize - ((bit + 7) >> 3)); + + ptr = memscan((char *)bh->b_data + (bit >> 3), 0xFF, sb->s_blocksize - ((bit + 7) >> 3)); newbit = (ptr - ((char *)bh->b_data)) << 3; if (newbit < sb->s_blocksize << 3) { bit = newbit; goto search_back; } - newbit = - udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, - bit); + + newbit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, bit); if (newbit < sb->s_blocksize << 3) { bit = newbit; goto got_block; @@ -354,18 +337,16 @@ static int udf_bitmap_new_block(struct super_block *sb, goto error_return; bh = bitmap->s_block_bitmap[bitmap_nr]; if (i < nr_groups) { - ptr = - memscan((char *)bh->b_data + group_start, 0xFF, - sb->s_blocksize - group_start); + ptr = memscan((char *)bh->b_data + group_start, 0xFF, + sb->s_blocksize - group_start); if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) { bit = (ptr - ((char *)bh->b_data)) << 3; break; } } else { - bit = - udf_find_next_one_bit((char *)bh->b_data, - sb->s_blocksize << 3, - group_start << 3); + bit = udf_find_next_one_bit((char *)bh->b_data, + sb->s_blocksize << 3, + group_start << 3); if (bit < sb->s_blocksize << 3) break; } @@ -377,20 +358,17 @@ static int udf_bitmap_new_block(struct super_block *sb, if (bit < sb->s_blocksize << 3) goto search_back; else - bit = - udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, - group_start << 3); + bit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, group_start << 3); if (bit >= sb->s_blocksize << 3) { mutex_unlock(&sbi->s_alloc_mutex); return 0; } - search_back: - for (i = 0; - i < 7 && bit > (group_start << 3) - && udf_test_bit(bit - 1, bh->b_data); i++, bit--) ; +search_back: + for (i = 0; i < 7 && bit > (group_start << 3) && udf_test_bit(bit - 1, bh->b_data); i++, bit--) + ; /* empty loop */ - got_block: +got_block: /* * Check quota for allocation of this block. @@ -402,7 +380,7 @@ static int udf_bitmap_new_block(struct super_block *sb, } newblock = bit + (block_group << (sb->s_blocksize_bits + 3)) - - (sizeof(struct spaceBitmapDesc) << 3); + (sizeof(struct spaceBitmapDesc) << 3); if (!udf_clear_bit(bit, bh->b_data)) { udf_debug("bit already cleared for block %d\n", bit); @@ -413,9 +391,7 @@ static int udf_bitmap_new_block(struct super_block *sb, if (UDF_SB_LVIDBH(sb)) { UDF_SB_LVID(sb)->freeSpaceTable[partition] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)->freeSpaceTable[partition]) - - 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1); mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } sb->s_dirt = 1; @@ -423,7 +399,7 @@ static int udf_bitmap_new_block(struct super_block *sb, *err = 0; return newblock; - error_return: +error_return: *err = -EIO; mutex_unlock(&sbi->s_alloc_mutex); return 0; @@ -445,14 +421,10 @@ static void udf_table_free_blocks(struct super_block *sb, mutex_lock(&sbi->s_alloc_mutex); if (bloc.logicalBlockNum < 0 || - (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, - bloc. - partitionReferenceNum)) - { - udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0, - bloc.logicalBlockNum, count, UDF_SB_PARTLEN(sb, - bloc. - partitionReferenceNum)); + (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) { + udf_debug("%d < %d || %d + %d > %d\n", + bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, + UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)); goto error_return; } @@ -462,9 +434,7 @@ static void udf_table_free_blocks(struct super_block *sb, DQUOT_FREE_BLOCK(inode, count); if (UDF_SB_LVIDBH(sb)) { UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)-> - freeSpaceTable[UDF_SB_PARTITION(sb)]) + count); + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + count); mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } @@ -476,47 +446,28 @@ static void udf_table_free_blocks(struct super_block *sb, epos.block = oepos.block = UDF_I_LOCATION(table); epos.bh = oepos.bh = NULL; - while (count && (etype = - udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { - if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == - start)) { - if ((0x3FFFFFFF - elen) < - (count << sb->s_blocksize_bits)) { - count -= - ((0x3FFFFFFF - - elen) >> sb->s_blocksize_bits); - start += - ((0x3FFFFFFF - - elen) >> sb->s_blocksize_bits); - elen = - (etype << 30) | (0x40000000 - - sb->s_blocksize); + while (count && + (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { + if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == start)) { + if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) { + count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); + start += ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); + elen = (etype << 30) | (0x40000000 - sb->s_blocksize); } else { - elen = (etype << 30) | - (elen + (count << sb->s_blocksize_bits)); + elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits)); start += count; count = 0; } udf_write_aext(table, &oepos, eloc, elen, 1); } else if (eloc.logicalBlockNum == (end + 1)) { - if ((0x3FFFFFFF - elen) < - (count << sb->s_blocksize_bits)) { - count -= - ((0x3FFFFFFF - - elen) >> sb->s_blocksize_bits); - end -= - ((0x3FFFFFFF - - elen) >> sb->s_blocksize_bits); - eloc.logicalBlockNum -= - ((0x3FFFFFFF - - elen) >> sb->s_blocksize_bits); - elen = - (etype << 30) | (0x40000000 - - sb->s_blocksize); + if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) { + count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); + end -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); + eloc.logicalBlockNum -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); + elen = (etype << 30) | (0x40000000 - sb->s_blocksize); } else { eloc.logicalBlockNum = start; - elen = (etype << 30) | - (elen + (count << sb->s_blocksize_bits)); + elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits)); end -= count; count = 0; } @@ -530,21 +481,23 @@ static void udf_table_free_blocks(struct super_block *sb, get_bh(epos.bh); oepos.bh = epos.bh; oepos.offset = 0; - } else + } else { oepos.offset = epos.offset; + } } if (count) { - /* NOTE: we CANNOT use udf_add_aext here, as it can try to allocate - a new block, and since we hold the super block lock already - very bad things would happen :) - - We copy the behavior of udf_add_aext, but instead of - trying to allocate a new block close to the existing one, - we just steal a block from the extent we are trying to add. - - It would be nice if the blocks were close together, but it - isn't required. + /* + * NOTE: we CANNOT use udf_add_aext here, as it can try to allocate + * a new block, and since we hold the super block lock already + * very bad things would happen :) + * + * We copy the behavior of udf_add_aext, but instead of + * trying to allocate a new block close to the existing one, + * we just steal a block from the extent we are trying to add. + * + * It would be nice if the blocks were close together, but it + * isn't required. */ int adsize; @@ -553,13 +506,14 @@ static void udf_table_free_blocks(struct super_block *sb, struct allocExtDesc *aed; eloc.logicalBlockNum = start; - elen = EXT_RECORDED_ALLOCATED | (count << sb->s_blocksize_bits); + elen = EXT_RECORDED_ALLOCATED | + (count << sb->s_blocksize_bits); - if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT) + if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT) { adsize = sizeof(short_ad); - else if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_LONG) + } else if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_LONG) { adsize = sizeof(long_ad); - else { + } else { brelse(oepos.bh); brelse(epos.bh); goto error_return; @@ -577,28 +531,21 @@ static void udf_table_free_blocks(struct super_block *sb, eloc.logicalBlockNum++; elen -= sb->s_blocksize; - if (!(epos.bh = udf_tread(sb, - udf_get_lb_pblock(sb, - epos.block, - 0)))) { + if (!(epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, epos.block, 0)))) { brelse(oepos.bh); goto error_return; } aed = (struct allocExtDesc *)(epos.bh->b_data); - aed->previousAllocExtLocation = - cpu_to_le32(oepos.block.logicalBlockNum); + aed->previousAllocExtLocation = cpu_to_le32(oepos.block.logicalBlockNum); if (epos.offset + adsize > sb->s_blocksize) { loffset = epos.offset; aed->lengthAllocDescs = cpu_to_le32(adsize); sptr = UDF_I_DATA(inode) + epos.offset - - udf_file_entry_alloc_offset(inode) + - UDF_I_LENEATTR(inode) - adsize; - dptr = - epos.bh->b_data + - sizeof(struct allocExtDesc); + udf_file_entry_alloc_offset(inode) + + UDF_I_LENEATTR(inode) - adsize; + dptr = epos.bh->b_data + sizeof(struct allocExtDesc); memcpy(dptr, sptr, adsize); - epos.offset = - sizeof(struct allocExtDesc) + adsize; + epos.offset = sizeof(struct allocExtDesc) + adsize; } else { loffset = epos.offset + adsize; aed->lengthAllocDescs = cpu_to_le32(0); @@ -606,60 +553,46 @@ static void udf_table_free_blocks(struct super_block *sb, epos.offset = sizeof(struct allocExtDesc); if (oepos.bh) { - aed = - (struct allocExtDesc *)oepos.bh-> - b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu - (aed-> - lengthAllocDescs) + - adsize); + cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } else { UDF_I_LENALLOC(table) += adsize; mark_inode_dirty(table); } } if (UDF_SB_UDFREV(sb) >= 0x0200) - udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, - 1, epos.block.logicalBlockNum, - sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1, + epos.block.logicalBlockNum, sizeof(tag)); else - udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, - 1, epos.block.logicalBlockNum, - sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, 1, + epos.block.logicalBlockNum, sizeof(tag)); + switch (UDF_I_ALLOCTYPE(table)) { - case ICBTAG_FLAG_AD_SHORT: - { - sad = (short_ad *) sptr; - sad->extLength = - cpu_to_le32 - (EXT_NEXT_EXTENT_ALLOCDECS | sb-> - s_blocksize); - sad->extPosition = - cpu_to_le32(epos.block. - logicalBlockNum); + case ICBTAG_FLAG_AD_SHORT: + sad = (short_ad *)sptr; + sad->extLength = cpu_to_le32( + EXT_NEXT_EXTENT_ALLOCDECS | + sb->s_blocksize); + sad->extPosition = cpu_to_le32(epos.block.logicalBlockNum); break; - } - case ICBTAG_FLAG_AD_LONG: - { - lad = (long_ad *) sptr; - lad->extLength = - cpu_to_le32 - (EXT_NEXT_EXTENT_ALLOCDECS | sb-> - s_blocksize); - lad->extLocation = - cpu_to_lelb(epos.block); + case ICBTAG_FLAG_AD_LONG: + lad = (long_ad *)sptr; + lad->extLength = cpu_to_le32( + EXT_NEXT_EXTENT_ALLOCDECS | + sb->s_blocksize); + lad->extLocation = cpu_to_lelb(epos.block); break; - } } if (oepos.bh) { udf_update_tag(oepos.bh->b_data, loffset); mark_buffer_dirty(oepos.bh); - } else + } else { mark_inode_dirty(table); + } } - if (elen) { /* It's possible that stealing the block emptied the extent */ + if (elen) { /* It's possible that stealing the block emptied the extent */ udf_write_aext(table, &epos, eloc, elen, 1); if (!epos.bh) { @@ -668,9 +601,7 @@ static void udf_table_free_blocks(struct super_block *sb, } else { aed = (struct allocExtDesc *)epos.bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu - (aed->lengthAllocDescs) + - adsize); + cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); udf_update_tag(epos.bh->b_data, epos.offset); mark_buffer_dirty(epos.bh); } @@ -680,7 +611,7 @@ static void udf_table_free_blocks(struct super_block *sb, brelse(epos.bh); brelse(oepos.bh); - error_return: +error_return: sb->s_dirt = 1; mutex_unlock(&sbi->s_alloc_mutex); return; @@ -714,47 +645,36 @@ static int udf_table_prealloc_blocks(struct super_block *sb, epos.bh = NULL; eloc.logicalBlockNum = 0xFFFFFFFF; - while (first_block != eloc.logicalBlockNum && (etype = - udf_next_aext(table, - &epos, - &eloc, - &elen, - 1)) != - -1) { + while (first_block != eloc.logicalBlockNum && + (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { udf_debug("eloc=%d, elen=%d, first_block=%d\n", eloc.logicalBlockNum, elen, first_block); - ; /* empty loop body */ + ; /* empty loop body */ } if (first_block == eloc.logicalBlockNum) { epos.offset -= adsize; alloc_count = (elen >> sb->s_blocksize_bits); - if (inode - && DQUOT_PREALLOC_BLOCK(inode, - alloc_count > - block_count ? block_count : - alloc_count)) + if (inode && DQUOT_PREALLOC_BLOCK(inode, alloc_count > block_count ? block_count : alloc_count)) { alloc_count = 0; - else if (alloc_count > block_count) { + } else if (alloc_count > block_count) { alloc_count = block_count; eloc.logicalBlockNum += alloc_count; elen -= (alloc_count << sb->s_blocksize_bits); - udf_write_aext(table, &epos, eloc, (etype << 30) | elen, - 1); - } else - udf_delete_aext(table, epos, eloc, - (etype << 30) | elen); - } else + udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 1); + } else { + udf_delete_aext(table, epos, eloc, (etype << 30) | elen); + } + } else { alloc_count = 0; + } brelse(epos.bh); if (alloc_count && UDF_SB_LVIDBH(sb)) { UDF_SB_LVID(sb)->freeSpaceTable[partition] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)->freeSpaceTable[partition]) - - alloc_count); + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count); mark_buffer_dirty(UDF_SB_LVIDBH(sb)); sb->s_dirt = 1; } @@ -797,18 +717,17 @@ static int udf_table_new_block(struct super_block *sb, epos.block = UDF_I_LOCATION(table); epos.bh = goal_epos.bh = NULL; - while (spread && (etype = - udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { + while (spread && + (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { if (goal >= eloc.logicalBlockNum) { - if (goal < - eloc.logicalBlockNum + - (elen >> sb->s_blocksize_bits)) + if (goal < eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) nspread = 0; else nspread = goal - eloc.logicalBlockNum - - (elen >> sb->s_blocksize_bits); - } else + (elen >> sb->s_blocksize_bits); + } else { nspread = eloc.logicalBlockNum - goal; + } if (nspread < spread) { spread = nspread; @@ -856,9 +775,7 @@ static int udf_table_new_block(struct super_block *sb, if (UDF_SB_LVIDBH(sb)) { UDF_SB_LVID(sb)->freeSpaceTable[partition] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)->freeSpaceTable[partition]) - - 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1); mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } @@ -877,27 +794,23 @@ inline void udf_free_blocks(struct super_block *sb, if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { return udf_bitmap_free_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_uspace.s_bitmap, bloc, offset, - count); - } else if (UDF_SB_PARTFLAGS(sb, partition) & - UDF_PART_FLAG_UNALLOC_TABLE) { + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap, + bloc, offset, count); + } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) { return udf_table_free_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_uspace.s_table, bloc, offset, - count); + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table, + bloc, offset, count); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) { return udf_bitmap_free_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_fspace.s_bitmap, bloc, offset, - count); + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap, + bloc, offset, count); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) { return udf_table_free_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_fspace.s_table, bloc, offset, - count); - } else + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table, + bloc, offset, count); + } else { return; + } } inline int udf_prealloc_blocks(struct super_block *sb, @@ -907,29 +820,23 @@ inline int udf_prealloc_blocks(struct super_block *sb, { if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { return udf_bitmap_prealloc_blocks(sb, inode, - UDF_SB_PARTMAPS(sb) - [partition].s_uspace.s_bitmap, - partition, first_block, - block_count); - } else if (UDF_SB_PARTFLAGS(sb, partition) & - UDF_PART_FLAG_UNALLOC_TABLE) { + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap, + partition, first_block, block_count); + } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) { return udf_table_prealloc_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_uspace.s_table, partition, - first_block, block_count); + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table, + partition, first_block, block_count); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) { return udf_bitmap_prealloc_blocks(sb, inode, - UDF_SB_PARTMAPS(sb) - [partition].s_fspace.s_bitmap, - partition, first_block, - block_count); + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap, + partition, first_block, block_count); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) { return udf_table_prealloc_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_fspace.s_table, partition, - first_block, block_count); - } else + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table, + partition, first_block, block_count); + } else { return 0; + } } inline int udf_new_block(struct super_block *sb, @@ -940,26 +847,21 @@ inline int udf_new_block(struct super_block *sb, if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { ret = udf_bitmap_new_block(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_uspace.s_bitmap, partition, goal, - err); + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap, + partition, goal, err); return ret; - } else if (UDF_SB_PARTFLAGS(sb, partition) & - UDF_PART_FLAG_UNALLOC_TABLE) { + } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) { return udf_table_new_block(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_uspace.s_table, partition, goal, - err); + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table, + partition, goal, err); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) { return udf_bitmap_new_block(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_fspace.s_bitmap, partition, goal, - err); + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap, + partition, goal, err); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) { return udf_table_new_block(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_fspace.s_table, partition, goal, - err); + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table, + partition, goal, err); } else { *err = -EIO; return 0; diff --git a/fs/udf/crc.c b/fs/udf/crc.c index ae3d497..85aaee5 100644 --- a/fs/udf/crc.c +++ b/fs/udf/crc.c @@ -111,7 +111,7 @@ int main(void) return 0; } -#endif /* defined(TEST) */ +#endif /* defined(TEST) */ /****************************************************************************/ #if defined(GENERATE) @@ -169,4 +169,4 @@ int main(int argc, char **argv) return 0; } -#endif /* defined(GENERATE) */ +#endif /* defined(GENERATE) */ diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 79bab9f..9e3b9f9 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -43,10 +43,10 @@ static int do_udf_readdir(struct inode *, struct file *, filldir_t, void *); /* readdir and lookup functions */ const struct file_operations udf_dir_operations = { - .read = generic_read_dir, - .readdir = udf_readdir, - .ioctl = udf_ioctl, - .fsync = udf_fsync_file, + .read = generic_read_dir, + .readdir = udf_readdir, + .ioctl = udf_ioctl, + .fsync = udf_fsync_file, }; /* @@ -83,8 +83,7 @@ int udf_readdir(struct file *filp, void *dirent, filldir_t filldir) lock_kernel(); if (filp->f_pos == 0) { - if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < - 0) { + if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < 0) { unlock_kernel(); return 0; } @@ -93,7 +92,7 @@ int udf_readdir(struct file *filp, void *dirent, filldir_t filldir) result = do_udf_readdir(dir, filp, filldir, dirent); unlock_kernel(); - return result; + return result; } static int @@ -125,21 +124,20 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, if (nf_pos == 0) nf_pos = (udf_ext0_offset(dir) >> 2); - fibh.soffset = fibh.eoffset = - (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; - if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) + fibh.soffset = fibh.eoffset = (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; + if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { fibh.sbh = fibh.ebh = NULL; - else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2), - &epos, &eloc, &elen, - &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { + } else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2), + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) epos.offset -= sizeof(long_ad); - } else + } else { offset = 0; + } if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { brelse(epos.bh); @@ -149,15 +147,11 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, if (!(offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) { i = 16 >> (dir->i_sb->s_blocksize_bits - 9); if (i + offset > (elen >> dir->i_sb->s_blocksize_bits)) - i = (elen >> dir->i_sb->s_blocksize_bits) - - offset; + i = (elen >> dir->i_sb->s_blocksize_bits) - offset; for (num = 0; i > 0; i--) { - block = - udf_get_lb_pblock(dir->i_sb, eloc, - offset + i); + block = udf_get_lb_pblock(dir->i_sb, eloc, offset + i); tmp = udf_tgetblk(dir->i_sb, block); - if (tmp && !buffer_uptodate(tmp) - && !buffer_locked(tmp)) + if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp)) bha[num++] = tmp; else brelse(tmp); @@ -178,7 +172,6 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); - if (!fi) { if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); @@ -190,19 +183,16 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, liu = le16_to_cpu(cfi.lengthOfImpUse); lfi = cfi.lengthFileIdent; - if (fibh.sbh == fibh.ebh) + if (fibh.sbh == fibh.ebh) { nameptr = fi->fileIdent + liu; - else { + } else { int poffset; /* Unpaded ending offset */ - poffset = - fibh.soffset + sizeof(struct fileIdentDesc) + liu + - lfi; + poffset = fibh.soffset + sizeof(struct fileIdentDesc) + liu + lfi; - if (poffset >= lfi) - nameptr = - (char *)(fibh.ebh->b_data + poffset - lfi); - else { + if (poffset >= lfi) { + nameptr = (char *)(fibh.ebh->b_data + poffset - lfi); + } else { nameptr = fname; memcpy(nameptr, fi->fileIdent + liu, lfi - poffset); @@ -235,17 +225,15 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, } if (flen) { - if (filldir - (dirent, fname, flen, filp->f_pos, iblock, - dt_type) < 0) { + if (filldir(dirent, fname, flen, filp->f_pos, iblock, dt_type) < 0) { if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); brelse(epos.bh); - return 0; + return 0; } } - } /* end while */ + } /* end while */ filp->f_pos = nf_pos + 1; diff --git a/fs/udf/directory.c b/fs/udf/directory.c index 8adc77c..ff8c08f 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -31,7 +31,7 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad, *error = 0; - ad = (uint8_t *) (*bh)->b_data + *offset; + ad = (uint8_t *)(*bh)->b_data + *offset; *offset += ad_size; if (!ad) { @@ -51,7 +51,7 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad, ad = tmpad; remainder = dir->i_sb->s_blocksize - loffset; - memcpy((uint8_t *) ad, (*bh)->b_data + loffset, remainder); + memcpy((uint8_t *)ad, (*bh)->b_data + loffset, remainder); brelse(*bh); block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); @@ -60,10 +60,10 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad, if (!((*bh) = udf_tread(dir->i_sb, block))) return NULL; - memcpy((uint8_t *) ad + remainder, (*bh)->b_data, - ad_size - remainder); + memcpy((uint8_t *)ad + remainder, (*bh)->b_data, ad_size - remainder); *offset = ad_size - remainder; } + return ad; } #endif @@ -86,15 +86,13 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos, (UDF_I_EFE(dir) ? sizeof(struct extendedFileEntry) : sizeof(struct fileEntry)), - dir->i_sb->s_blocksize, - &(fibh->eoffset)); - + dir->i_sb->s_blocksize, &(fibh->eoffset)); if (!fi) return NULL; *nf_pos += ((fibh->eoffset - fibh->soffset) >> 2); - memcpy((uint8_t *) cfi, (uint8_t *) fi, + memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc)); return fi; @@ -121,21 +119,14 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos, return NULL; fibh->soffset = fibh->eoffset = 0; - if (! - (*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) - { + if (!(*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) { i = 16 >> (dir->i_sb->s_blocksize_bits - 9); - if (i + *offset > - (*elen >> dir->i_sb->s_blocksize_bits)) - i = (*elen >> dir->i_sb->s_blocksize_bits) - - *offset; + if (i + *offset > (*elen >> dir->i_sb->s_blocksize_bits)) + i = (*elen >> dir->i_sb->s_blocksize_bits)-*offset; for (num = 0; i > 0; i--) { - block = - udf_get_lb_pblock(dir->i_sb, *eloc, - *offset + i); + block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset + i); tmp = udf_tgetblk(dir->i_sb, block); - if (tmp && !buffer_uptodate(tmp) - && !buffer_locked(tmp)) + if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp)) bha[num++] = tmp; else brelse(tmp); @@ -160,7 +151,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos, *nf_pos += ((fibh->eoffset - fibh->soffset) >> 2); if (fibh->eoffset <= dir->i_sb->s_blocksize) { - memcpy((uint8_t *) cfi, (uint8_t *) fi, + memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc)); } else if (fibh->eoffset > dir->i_sb->s_blocksize) { int lextoffset = epos->offset; @@ -187,21 +178,17 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos, if (sizeof(struct fileIdentDesc) > -fibh->soffset) { int fi_len; - memcpy((uint8_t *) cfi, (uint8_t *) fi, -fibh->soffset); - memcpy((uint8_t *) cfi - fibh->soffset, - fibh->ebh->b_data, + memcpy((uint8_t *)cfi, (uint8_t *)fi, -fibh->soffset); + memcpy((uint8_t *)cfi - fibh->soffset, fibh->ebh->b_data, sizeof(struct fileIdentDesc) + fibh->soffset); - fi_len = - (sizeof(struct fileIdentDesc) + - cfi->lengthFileIdent + - le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3; + fi_len = (sizeof(struct fileIdentDesc) + cfi->lengthFileIdent + + le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3; - *nf_pos += - ((fi_len - (fibh->eoffset - fibh->soffset)) >> 2); + *nf_pos += ((fi_len - (fibh->eoffset - fibh->soffset)) >> 2); fibh->eoffset = fibh->soffset + fi_len; } else { - memcpy((uint8_t *) cfi, (uint8_t *) fi, + memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc)); } } @@ -237,9 +224,10 @@ struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset) } if ((*offset + sizeof(struct fileIdentDesc)) > bufsize) { lengthThisIdent = sizeof(struct fileIdentDesc); - } else + } else { lengthThisIdent = sizeof(struct fileIdentDesc) + - fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse); + fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse); + } /* we need to figure padding, too! */ padlen = lengthThisIdent % UDF_NAME_PAD; @@ -270,22 +258,20 @@ static extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset) return NULL; } - ptr = - (uint8_t *) (fe->extendedAttr) + - le32_to_cpu(fe->lengthExtendedAttr); + ptr = (uint8_t *)(fe->extendedAttr) + le32_to_cpu(fe->lengthExtendedAttr); if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs))) { ptr += *offset; } - ext = (extent_ad *) ptr; + ext = (extent_ad *)ptr; *offset = *offset + sizeof(extent_ad); return ext; } #endif -short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset, +short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset, int inc) { short_ad *sa; @@ -297,7 +283,7 @@ short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset, if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset)) return NULL; - else if ((sa = (short_ad *) ptr)->extLength == 0) + else if ((sa = (short_ad *)ptr)->extLength == 0) return NULL; if (inc) @@ -305,7 +291,7 @@ short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset, return sa; } -long_ad *udf_get_filelongad(uint8_t * ptr, int maxoffset, int *offset, int inc) +long_ad *udf_get_filelongad(uint8_t *ptr, int maxoffset, int *offset, int inc) { long_ad *la; @@ -316,7 +302,7 @@ long_ad *udf_get_filelongad(uint8_t * ptr, int maxoffset, int *offset, int inc) if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset)) return NULL; - else if ((la = (long_ad *) ptr)->extLength == 0) + else if ((la = (long_ad *)ptr)->extLength == 0) return NULL; if (inc) diff --git a/fs/udf/ecma_167.h b/fs/udf/ecma_167.h index 294ce2d..5638771 100644 --- a/fs/udf/ecma_167.h +++ b/fs/udf/ecma_167.h @@ -39,8 +39,8 @@ /* Character set specification (ECMA 167r3 1/7.2.1) */ typedef struct { - uint8_t charSetType; - uint8_t charSetInfo[63]; + uint8_t charSetType; + uint8_t charSetInfo[63]; } __attribute__ ((packed)) charspec; /* Character Set Type (ECMA 167r3 1/7.2.1.1) */ @@ -54,33 +54,33 @@ typedef struct { #define CHARSPEC_TYPE_CS7 0x07 /* (1/7.2.9) */ #define CHARSPEC_TYPE_CS8 0x08 /* (1/7.2.10) */ -typedef uint8_t dstring; +typedef uint8_t dstring; /* Timestamp (ECMA 167r3 1/7.3) */ typedef struct { - __le16 typeAndTimezone; - __le16 year; - uint8_t month; - uint8_t day; - uint8_t hour; - uint8_t minute; - uint8_t second; - uint8_t centiseconds; - uint8_t hundredsOfMicroseconds; - uint8_t microseconds; + __le16 typeAndTimezone; + __le16 year; + uint8_t month; + uint8_t day; + uint8_t hour; + uint8_t minute; + uint8_t second; + uint8_t centiseconds; + uint8_t hundredsOfMicroseconds; + uint8_t microseconds; } __attribute__ ((packed)) timestamp; typedef struct { - uint16_t typeAndTimezone; - int16_t year; - uint8_t month; - uint8_t day; - uint8_t hour; - uint8_t minute; - uint8_t second; - uint8_t centiseconds; - uint8_t hundredsOfMicroseconds; - uint8_t microseconds; + uint16_t typeAndTimezone; + int16_t year; + uint8_t month; + uint8_t day; + uint8_t hour; + uint8_t minute; + uint8_t second; + uint8_t centiseconds; + uint8_t hundredsOfMicroseconds; + uint8_t microseconds; } __attribute__ ((packed)) kernel_timestamp; /* Type and Time Zone (ECMA 167r3 1/7.3.1) */ @@ -92,9 +92,9 @@ typedef struct { /* Entity identifier (ECMA 167r3 1/7.4) */ typedef struct { - uint8_t flags; - uint8_t ident[23]; - uint8_t identSuffix[8]; + uint8_t flags; + uint8_t ident[23]; + uint8_t identSuffix[8]; } __attribute__ ((packed)) regid; /* Flags (ECMA 167r3 1/7.4.1) */ @@ -104,10 +104,10 @@ typedef struct { /* Volume Structure Descriptor (ECMA 167r3 2/9.1) */ #define VSD_STD_ID_LEN 5 struct volStructDesc { - uint8_t structType; - uint8_t stdIdent[VSD_STD_ID_LEN]; - uint8_t structVersion; - uint8_t structData[2041]; + uint8_t structType; + uint8_t stdIdent[VSD_STD_ID_LEN]; + uint8_t structVersion; + uint8_t structData[2041]; } __attribute__ ((packed)); /* Standard Identifier (EMCA 167r2 2/9.1.2) */ @@ -123,36 +123,36 @@ struct volStructDesc { /* Beginning Extended Area Descriptor (ECMA 167r3 2/9.2) */ struct beginningExtendedAreaDesc { - uint8_t structType; - uint8_t stdIdent[VSD_STD_ID_LEN]; - uint8_t structVersion; - uint8_t structData[2041]; + uint8_t structType; + uint8_t stdIdent[VSD_STD_ID_LEN]; + uint8_t structVersion; + uint8_t structData[2041]; } __attribute__ ((packed)); /* Terminating Extended Area Descriptor (ECMA 167r3 2/9.3) */ struct terminatingExtendedAreaDesc { - uint8_t structType; - uint8_t stdIdent[VSD_STD_ID_LEN]; - uint8_t structVersion; - uint8_t structData[2041]; + uint8_t structType; + uint8_t stdIdent[VSD_STD_ID_LEN]; + uint8_t structVersion; + uint8_t structData[2041]; } __attribute__ ((packed)); /* Boot Descriptor (ECMA 167r3 2/9.4) */ struct bootDesc { - uint8_t structType; - uint8_t stdIdent[VSD_STD_ID_LEN]; - uint8_t structVersion; - uint8_t reserved1; - regid archType; - regid bootIdent; - __le32 bootExtLocation; - __le32 bootExtLength; - __le64 loadAddress; - __le64 startAddress; - timestamp descCreationDateAndTime; - __le16 flags; - uint8_t reserved2[32]; - uint8_t bootUse[1906]; + uint8_t structType; + uint8_t stdIdent[VSD_STD_ID_LEN]; + uint8_t structVersion; + uint8_t reserved1; + regid archType; + regid bootIdent; + __le32 bootExtLocation; + __le32 bootExtLength; + __le64 loadAddress; + __le64 startAddress; + timestamp descCreationDateAndTime; + __le16 flags; + uint8_t reserved2[32]; + uint8_t bootUse[1906]; } __attribute__ ((packed)); /* Flags (ECMA 167r3 2/9.4.12) */ @@ -160,25 +160,25 @@ struct bootDesc { /* Extent Descriptor (ECMA 167r3 3/7.1) */ typedef struct { - __le32 extLength; - __le32 extLocation; + __le32 extLength; + __le32 extLocation; } __attribute__ ((packed)) extent_ad; typedef struct { - uint32_t extLength; - uint32_t extLocation; + uint32_t extLength; + uint32_t extLocation; } kernel_extent_ad; /* Descriptor Tag (ECMA 167r3 3/7.2) */ typedef struct { - __le16 tagIdent; - __le16 descVersion; - uint8_t tagChecksum; - uint8_t reserved; - __le16 tagSerialNum; - __le16 descCRC; - __le16 descCRCLength; - __le32 tagLocation; + __le16 tagIdent; + __le16 descVersion; + uint8_t tagChecksum; + uint8_t reserved; + __le16 tagSerialNum; + __le16 descCRC; + __le16 descCRCLength; + __le32 tagLocation; } __attribute__ ((packed)) tag; /* Tag Identifier (ECMA 167r3 3/7.2.1) */ @@ -194,37 +194,37 @@ typedef struct { /* NSR Descriptor (ECMA 167r3 3/9.1) */ struct NSRDesc { - uint8_t structType; - uint8_t stdIdent[VSD_STD_ID_LEN]; - uint8_t structVersion; - uint8_t reserved; - uint8_t structData[2040]; + uint8_t structType; + uint8_t stdIdent[VSD_STD_ID_LEN]; + uint8_t structVersion; + uint8_t reserved; + uint8_t structData[2040]; } __attribute__ ((packed)); /* Primary Volume Descriptor (ECMA 167r3 3/10.1) */ struct primaryVolDesc { - tag descTag; - __le32 volDescSeqNum; - __le32 primaryVolDescNum; - dstring volIdent[32]; - __le16 volSeqNum; - __le16 maxVolSeqNum; - __le16 interchangeLvl; - __le16 maxInterchangeLvl; - __le32 charSetList; - __le32 maxCharSetList; - dstring volSetIdent[128]; - charspec descCharSet; - charspec explanatoryCharSet; - extent_ad volAbstract; - extent_ad volCopyright; - regid appIdent; - timestamp recordingDateAndTime; - regid impIdent; - uint8_t impUse[64]; - __le32 predecessorVolDescSeqLocation; - __le16 flags; - uint8_t reserved[22]; + tag descTag; + __le32 volDescSeqNum; + __le32 primaryVolDescNum; + dstring volIdent[32]; + __le16 volSeqNum; + __le16 maxVolSeqNum; + __le16 interchangeLvl; + __le16 maxInterchangeLvl; + __le32 charSetList; + __le32 maxCharSetList; + dstring volSetIdent[128]; + charspec descCharSet; + charspec explanatoryCharSet; + extent_ad volAbstract; + extent_ad volCopyright; + regid appIdent; + timestamp recordingDateAndTime; + regid impIdent; + uint8_t impUse[64]; + __le32 predecessorVolDescSeqLocation; + __le16 flags; + uint8_t reserved[22]; } __attribute__ ((packed)); /* Flags (ECMA 167r3 3/10.1.21) */ @@ -232,26 +232,26 @@ struct primaryVolDesc { /* Anchor Volume Descriptor Pointer (ECMA 167r3 3/10.2) */ struct anchorVolDescPtr { - tag descTag; - extent_ad mainVolDescSeqExt; - extent_ad reserveVolDescSeqExt; - uint8_t reserved[480]; + tag descTag; + extent_ad mainVolDescSeqExt; + extent_ad reserveVolDescSeqExt; + uint8_t reserved[480]; } __attribute__ ((packed)); /* Volume Descriptor Pointer (ECMA 167r3 3/10.3) */ struct volDescPtr { - tag descTag; - __le32 volDescSeqNum; - extent_ad nextVolDescSeqExt; - uint8_t reserved[484]; + tag descTag; + __le32 volDescSeqNum; + extent_ad nextVolDescSeqExt; + uint8_t reserved[484]; } __attribute__ ((packed)); /* Implementation Use Volume Descriptor (ECMA 167r3 3/10.4) */ struct impUseVolDesc { - tag descTag; - __le32 volDescSeqNum; - regid impIdent; - uint8_t impUse[460]; + tag descTag; + __le32 volDescSeqNum; + regid impIdent; + uint8_t impUse[460]; } __attribute__ ((packed)); /* Partition Descriptor (ECMA 167r3 3/10.5) */ @@ -291,26 +291,26 @@ struct partitionDesc { /* Logical Volume Descriptor (ECMA 167r3 3/10.6) */ struct logicalVolDesc { - tag descTag; - __le32 volDescSeqNum; - charspec descCharSet; - dstring logicalVolIdent[128]; - __le32 logicalBlockSize; - regid domainIdent; - uint8_t logicalVolContentsUse[16]; - __le32 mapTableLength; - __le32 numPartitionMaps; - regid impIdent; - uint8_t impUse[128]; - extent_ad integritySeqExt; - uint8_t partitionMaps[0]; + tag descTag; + __le32 volDescSeqNum; + charspec descCharSet; + dstring logicalVolIdent[128]; + __le32 logicalBlockSize; + regid domainIdent; + uint8_t logicalVolContentsUse[16]; + __le32 mapTableLength; + __le32 numPartitionMaps; + regid impIdent; + uint8_t impUse[128]; + extent_ad integritySeqExt; + uint8_t partitionMaps[0]; } __attribute__ ((packed)); /* Generic Partition Map (ECMA 167r3 3/10.7.1) */ struct genericPartitionMap { - uint8_t partitionMapType; - uint8_t partitionMapLength; - uint8_t partitionMapping[0]; + uint8_t partitionMapType; + uint8_t partitionMapLength; + uint8_t partitionMapping[0]; } __attribute__ ((packed)); /* Partition Map Type (ECMA 167r3 3/10.7.1.1) */ @@ -320,45 +320,45 @@ struct genericPartitionMap { /* Type 1 Partition Map (ECMA 167r3 3/10.7.2) */ struct genericPartitionMap1 { - uint8_t partitionMapType; - uint8_t partitionMapLength; - __le16 volSeqNum; - __le16 partitionNum; + uint8_t partitionMapType; + uint8_t partitionMapLength; + __le16 volSeqNum; + __le16 partitionNum; } __attribute__ ((packed)); /* Type 2 Partition Map (ECMA 167r3 3/10.7.3) */ struct genericPartitionMap2 { - uint8_t partitionMapType; - uint8_t partitionMapLength; - uint8_t partitionIdent[62]; + uint8_t partitionMapType; + uint8_t partitionMapLength; + uint8_t partitionIdent[62]; } __attribute__ ((packed)); /* Unallocated Space Descriptor (ECMA 167r3 3/10.8) */ struct unallocSpaceDesc { - tag descTag; - __le32 volDescSeqNum; - __le32 numAllocDescs; - extent_ad allocDescs[0]; + tag descTag; + __le32 volDescSeqNum; + __le32 numAllocDescs; + extent_ad allocDescs[0]; } __attribute__ ((packed)); /* Terminating Descriptor (ECMA 167r3 3/10.9) */ struct terminatingDesc { - tag descTag; - uint8_t reserved[496]; + tag descTag; + uint8_t reserved[496]; } __attribute__ ((packed)); /* Logical Volume Integrity Descriptor (ECMA 167r3 3/10.10) */ struct logicalVolIntegrityDesc { - tag descTag; - timestamp recordingDateAndTime; - __le32 integrityType; - extent_ad nextIntegrityExt; - uint8_t logicalVolContentsUse[32]; - __le32 numOfPartitions; - __le32 lengthOfImpUse; - __le32 freeSpaceTable[0]; - __le32 sizeTable[0]; - uint8_t impUse[0]; + tag descTag; + timestamp recordingDateAndTime; + __le32 integrityType; + extent_ad nextIntegrityExt; + uint8_t logicalVolContentsUse[32]; + __le32 numOfPartitions; + __le32 lengthOfImpUse; + __le32 freeSpaceTable[0]; + __le32 sizeTable[0]; + uint8_t impUse[0]; } __attribute__ ((packed)); /* Integrity Type (ECMA 167r3 3/10.10.3) */ @@ -367,48 +367,48 @@ struct logicalVolIntegrityDesc { /* Recorded Address (ECMA 167r3 4/7.1) */ typedef struct { - __le32 logicalBlockNum; - __le16 partitionReferenceNum; + __le32 logicalBlockNum; + __le16 partitionReferenceNum; } __attribute__ ((packed)) lb_addr; /* ... and its in-core analog */ typedef struct { - uint32_t logicalBlockNum; - uint16_t partitionReferenceNum; + uint32_t logicalBlockNum; + uint16_t partitionReferenceNum; } kernel_lb_addr; /* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */ typedef struct { - __le32 extLength; - __le32 extPosition; + __le32 extLength; + __le32 extPosition; } __attribute__ ((packed)) short_ad; /* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */ typedef struct { - __le32 extLength; - lb_addr extLocation; - uint8_t impUse[6]; + __le32 extLength; + lb_addr extLocation; + uint8_t impUse[6]; } __attribute__ ((packed)) long_ad; typedef struct { - uint32_t extLength; - kernel_lb_addr extLocation; - uint8_t impUse[6]; + uint32_t extLength; + kernel_lb_addr extLocation; + uint8_t impUse[6]; } kernel_long_ad; /* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */ typedef struct { - __le32 extLength; - __le32 recordedLength; - __le32 informationLength; - lb_addr extLocation; + __le32 extLength; + __le32 recordedLength; + __le32 informationLength; + lb_addr extLocation; } __attribute__ ((packed)) ext_ad; typedef struct { - uint32_t extLength; - uint32_t recordedLength; - uint32_t informationLength; - kernel_lb_addr extLocation; + uint32_t extLength; + uint32_t recordedLength; + uint32_t informationLength; + kernel_lb_addr extLocation; } kernel_ext_ad; /* Descriptor Tag (ECMA 167r3 4/7.2 - See 3/7.2) */ @@ -428,48 +428,48 @@ typedef struct { /* File Set Descriptor (ECMA 167r3 4/14.1) */ struct fileSetDesc { - tag descTag; - timestamp recordingDateAndTime; - __le16 interchangeLvl; - __le16 maxInterchangeLvl; - __le32 charSetList; - __le32 maxCharSetList; - __le32 fileSetNum; - __le32 fileSetDescNum; - charspec logicalVolIdentCharSet; - dstring logicalVolIdent[128]; - charspec fileSetCharSet; - dstring fileSetIdent[32]; - dstring copyrightFileIdent[32]; - dstring abstractFileIdent[32]; - long_ad rootDirectoryICB; - regid domainIdent; - long_ad nextExt; - long_ad streamDirectoryICB; - uint8_t reserved[32]; + tag descTag; + timestamp recordingDateAndTime; + __le16 interchangeLvl; + __le16 maxInterchangeLvl; + __le32 charSetList; + __le32 maxCharSetList; + __le32 fileSetNum; + __le32 fileSetDescNum; + charspec logicalVolIdentCharSet; + dstring logicalVolIdent[128]; + charspec fileSetCharSet; + dstring fileSetIdent[32]; + dstring copyrightFileIdent[32]; + dstring abstractFileIdent[32]; + long_ad rootDirectoryICB; + regid domainIdent; + long_ad nextExt; + long_ad streamDirectoryICB; + uint8_t reserved[32]; } __attribute__ ((packed)); /* Partition Header Descriptor (ECMA 167r3 4/14.3) */ struct partitionHeaderDesc { - short_ad unallocSpaceTable; - short_ad unallocSpaceBitmap; - short_ad partitionIntegrityTable; - short_ad freedSpaceTable; - short_ad freedSpaceBitmap; - uint8_t reserved[88]; + short_ad unallocSpaceTable; + short_ad unallocSpaceBitmap; + short_ad partitionIntegrityTable; + short_ad freedSpaceTable; + short_ad freedSpaceBitmap; + uint8_t reserved[88]; } __attribute__ ((packed)); /* File Identifier Descriptor (ECMA 167r3 4/14.4) */ struct fileIdentDesc { - tag descTag; - __le16 fileVersionNum; - uint8_t fileCharacteristics; - uint8_t lengthFileIdent; - long_ad icb; - __le16 lengthOfImpUse; - uint8_t impUse[0]; - uint8_t fileIdent[0]; - uint8_t padding[0]; + tag descTag; + __le16 fileVersionNum; + uint8_t fileCharacteristics; + uint8_t lengthFileIdent; + long_ad icb; + __le16 lengthOfImpUse; + uint8_t impUse[0]; + uint8_t fileIdent[0]; + uint8_t padding[0]; } __attribute__ ((packed)); /* File Characteristics (ECMA 167r3 4/14.4.3) */ @@ -481,21 +481,21 @@ struct fileIdentDesc { /* Allocation Ext Descriptor (ECMA 167r3 4/14.5) */ struct allocExtDesc { - tag descTag; - __le32 previousAllocExtLocation; - __le32 lengthAllocDescs; + tag descTag; + __le32 previousAllocExtLocation; + __le32 lengthAllocDescs; } __attribute__ ((packed)); /* ICB Tag (ECMA 167r3 4/14.6) */ typedef struct { - __le32 priorRecordedNumDirectEntries; - __le16 strategyType; - __le16 strategyParameter; - __le16 numEntries; - uint8_t reserved; - uint8_t fileType; - lb_addr parentICBLocation; - __le16 flags; + __le32 priorRecordedNumDirectEntries; + __le16 strategyType; + __le16 strategyParameter; + __le16 numEntries; + uint8_t reserved; + uint8_t fileType; + lb_addr parentICBLocation; + __le16 flags; } __attribute__ ((packed)) icbtag; /* Strategy Type (ECMA 167r3 4/14.6.2) */ @@ -541,41 +541,41 @@ typedef struct { /* Indirect Entry (ECMA 167r3 4/14.7) */ struct indirectEntry { - tag descTag; - icbtag icbTag; - long_ad indirectICB; + tag descTag; + icbtag icbTag; + long_ad indirectICB; } __attribute__ ((packed)); /* Terminal Entry (ECMA 167r3 4/14.8) */ struct terminalEntry { - tag descTag; - icbtag icbTag; + tag descTag; + icbtag icbTag; } __attribute__ ((packed)); /* File Entry (ECMA 167r3 4/14.9) */ struct fileEntry { - tag descTag; - icbtag icbTag; - __le32 uid; - __le32 gid; - __le32 permissions; - __le16 fileLinkCount; - uint8_t recordFormat; - uint8_t recordDisplayAttr; - __le32 recordLength; - __le64 informationLength; - __le64 logicalBlocksRecorded; - timestamp accessTime; - timestamp modificationTime; - timestamp attrTime; - __le32 checkpoint; - long_ad extendedAttrICB; - regid impIdent; - __le64 uniqueID; - __le32 lengthExtendedAttr; - __le32 lengthAllocDescs; - uint8_t extendedAttr[0]; - uint8_t allocDescs[0]; + tag descTag; + icbtag icbTag; + __le32 uid; + __le32 gid; + __le32 permissions; + __le16 fileLinkCount; + uint8_t recordFormat; + uint8_t recordDisplayAttr; + __le32 recordLength; + __le64 informationLength; + __le64 logicalBlocksRecorded; + timestamp accessTime; + timestamp modificationTime; + timestamp attrTime; + __le32 checkpoint; + long_ad extendedAttrICB; + regid impIdent; + __le64 uniqueID; + __le32 lengthExtendedAttr; + __le32 lengthAllocDescs; + uint8_t extendedAttr[0]; + uint8_t allocDescs[0]; } __attribute__ ((packed)); /* Permissions (ECMA 167r3 4/14.9.5) */ @@ -617,51 +617,51 @@ struct fileEntry { /* Extended Attribute Header Descriptor (ECMA 167r3 4/14.10.1) */ struct extendedAttrHeaderDesc { - tag descTag; - __le32 impAttrLocation; - __le32 appAttrLocation; + tag descTag; + __le32 impAttrLocation; + __le32 appAttrLocation; } __attribute__ ((packed)); /* Generic Format (ECMA 167r3 4/14.10.2) */ struct genericFormat { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - uint8_t attrData[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + uint8_t attrData[0]; } __attribute__ ((packed)); /* Character Set Information (ECMA 167r3 4/14.10.3) */ struct charSetInfo { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 escapeSeqLength; - uint8_t charSetType; - uint8_t escapeSeq[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 escapeSeqLength; + uint8_t charSetType; + uint8_t escapeSeq[0]; } __attribute__ ((packed)); /* Alternate Permissions (ECMA 167r3 4/14.10.4) */ struct altPerms { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le16 ownerIdent; - __le16 groupIdent; - __le16 permission; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le16 ownerIdent; + __le16 groupIdent; + __le16 permission; } __attribute__ ((packed)); /* File Times Extended Attribute (ECMA 167r3 4/14.10.5) */ struct fileTimesExtAttr { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 dataLength; - __le32 fileTimeExistence; - uint8_t fileTimes; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 dataLength; + __le32 fileTimeExistence; + uint8_t fileTimes; } __attribute__ ((packed)); /* FileTimeExistence (ECMA 167r3 4/14.10.5.6) */ @@ -672,47 +672,47 @@ struct fileTimesExtAttr { /* Information Times Extended Attribute (ECMA 167r3 4/14.10.6) */ struct infoTimesExtAttr { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 dataLength; - __le32 infoTimeExistence; - uint8_t infoTimes[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 dataLength; + __le32 infoTimeExistence; + uint8_t infoTimes[0]; } __attribute__ ((packed)); /* Device Specification (ECMA 167r3 4/14.10.7) */ struct deviceSpec { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 impUseLength; - __le32 majorDeviceIdent; - __le32 minorDeviceIdent; - uint8_t impUse[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 impUseLength; + __le32 majorDeviceIdent; + __le32 minorDeviceIdent; + uint8_t impUse[0]; } __attribute__ ((packed)); /* Implementation Use Extended Attr (ECMA 167r3 4/14.10.8) */ struct impUseExtAttr { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 impUseLength; - regid impIdent; - uint8_t impUse[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 impUseLength; + regid impIdent; + uint8_t impUse[0]; } __attribute__ ((packed)); /* Application Use Extended Attribute (ECMA 167r3 4/14.10.9) */ struct appUseExtAttr { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 appUseLength; - regid appIdent; - uint8_t appUse[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 appUseLength; + regid appIdent; + uint8_t appUse[0]; } __attribute__ ((packed)); #define EXTATTR_CHAR_SET 1 @@ -725,29 +725,29 @@ struct appUseExtAttr { /* Unallocated Space Entry (ECMA 167r3 4/14.11) */ struct unallocSpaceEntry { - tag descTag; - icbtag icbTag; - __le32 lengthAllocDescs; - uint8_t allocDescs[0]; + tag descTag; + icbtag icbTag; + __le32 lengthAllocDescs; + uint8_t allocDescs[0]; } __attribute__ ((packed)); /* Space Bitmap Descriptor (ECMA 167r3 4/14.12) */ struct spaceBitmapDesc { - tag descTag; - __le32 numOfBits; - __le32 numOfBytes; - uint8_t bitmap[0]; + tag descTag; + __le32 numOfBits; + __le32 numOfBytes; + uint8_t bitmap[0]; } __attribute__ ((packed)); /* Partition Integrity Entry (ECMA 167r3 4/14.13) */ struct partitionIntegrityEntry { - tag descTag; - icbtag icbTag; - timestamp recordingDateAndTime; - uint8_t integrityType; - uint8_t reserved[175]; - regid impIdent; - uint8_t impUse[256]; + tag descTag; + icbtag icbTag; + timestamp recordingDateAndTime; + uint8_t integrityType; + uint8_t reserved[175]; + regid impIdent; + uint8_t impUse[256]; } __attribute__ ((packed)); /* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */ @@ -764,46 +764,46 @@ struct partitionIntegrityEntry { /* Logical Volume Header Descriptor (ECMA 167r3 4/14.15) */ struct logicalVolHeaderDesc { - __le64 uniqueID; - uint8_t reserved[24]; + __le64 uniqueID; + uint8_t reserved[24]; } __attribute__ ((packed)); /* Path Component (ECMA 167r3 4/14.16.1) */ struct pathComponent { - uint8_t componentType; - uint8_t lengthComponentIdent; - __le16 componentFileVersionNum; - dstring componentIdent[0]; + uint8_t componentType; + uint8_t lengthComponentIdent; + __le16 componentFileVersionNum; + dstring componentIdent[0]; } __attribute__ ((packed)); /* File Entry (ECMA 167r3 4/14.17) */ struct extendedFileEntry { - tag descTag; - icbtag icbTag; - __le32 uid; - __le32 gid; - __le32 permissions; - __le16 fileLinkCount; - uint8_t recordFormat; - uint8_t recordDisplayAttr; - __le32 recordLength; - __le64 informationLength; - __le64 objectSize; - __le64 logicalBlocksRecorded; - timestamp accessTime; - timestamp modificationTime; - timestamp createTime; - timestamp attrTime; - __le32 checkpoint; - __le32 reserved; - long_ad extendedAttrICB; - long_ad streamDirectoryICB; - regid impIdent; - __le64 uniqueID; - __le32 lengthExtendedAttr; - __le32 lengthAllocDescs; - uint8_t extendedAttr[0]; - uint8_t allocDescs[0]; -} __attribute__ ((packed)); - -#endif /* _ECMA_167_H */ + tag descTag; + icbtag icbTag; + __le32 uid; + __le32 gid; + __le32 permissions; + __le16 fileLinkCount; + uint8_t recordFormat; + uint8_t recordDisplayAttr; + __le32 recordLength; + __le64 informationLength; + __le64 objectSize; + __le64 logicalBlocksRecorded; + timestamp accessTime; + timestamp modificationTime; + timestamp createTime; + timestamp attrTime; + __le32 checkpoint; + __le32 reserved; + long_ad extendedAttrICB; + long_ad streamDirectoryICB; + regid impIdent; + __le64 uniqueID; + __le32 lengthExtendedAttr; + __le32 lengthAllocDescs; + uint8_t extendedAttr[0]; + uint8_t allocDescs[0]; +} __attribute__ ((packed)); + +#endif /* _ECMA_167_H */ diff --git a/fs/udf/file.c b/fs/udf/file.c index 67bf36b..5d7a4ea 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -30,7 +30,7 @@ #include <linux/udf_fs.h> #include <asm/uaccess.h> #include <linux/kernel.h> -#include <linux/string.h> /* memset */ +#include <linux/string.h> /* memset */ #include <linux/capability.h> #include <linux/errno.h> #include <linux/smp_lock.h> @@ -55,11 +55,11 @@ static int udf_adinicb_readpage(struct file *file, struct page *page) SetPageUptodate(page); kunmap(page); unlock_page(page); + return 0; } -static int udf_adinicb_writepage(struct page *page, - struct writeback_control *wbc) +static int udf_adinicb_writepage(struct page *page, struct writeback_control *wbc) { struct inode *inode = page->mapping->host; char *kaddr; @@ -72,6 +72,7 @@ static int udf_adinicb_writepage(struct page *page, SetPageUptodate(page); kunmap(page); unlock_page(page); + return 0; } @@ -100,11 +101,11 @@ static int udf_adinicb_commit_write(struct file *file, struct page *page, } const struct address_space_operations udf_adinicb_aops = { - .readpage = udf_adinicb_readpage, - .writepage = udf_adinicb_writepage, - .sync_page = block_sync_page, - .prepare_write = udf_adinicb_prepare_write, - .commit_write = udf_adinicb_commit_write, + .readpage = udf_adinicb_readpage, + .writepage = udf_adinicb_writepage, + .sync_page = block_sync_page, + .prepare_write = udf_adinicb_prepare_write, + .commit_write = udf_adinicb_commit_write, }; static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, @@ -122,8 +123,8 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, else pos = ppos; - if (inode->i_sb->s_blocksize < - (udf_file_entry_alloc_offset(inode) + pos + count)) { + if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) + + pos + count)) { udf_expand_file_adinicb(inode, pos + count, &err); if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { udf_debug("udf_expand_adinicb: err=%d\n", err); @@ -138,9 +139,9 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, } retval = generic_file_aio_write(iocb, iov, nr_segs, ppos); - if (retval > 0) mark_inode_dirty(inode); + return retval; } @@ -181,10 +182,12 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { + long old_block, new_block; int result = -EINVAL; if (file_permission(filp, MAY_READ) != 0) { - udf_debug("no permission to access inode %lu\n", inode->i_ino); + udf_debug("no permission to access inode %lu\n", + inode->i_ino); return -EPERM; } @@ -196,26 +199,19 @@ int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, switch (cmd) { case UDF_GETVOLIDENT: return copy_to_user((char __user *)arg, - UDF_SB_VOLIDENT(inode->i_sb), - 32) ? -EFAULT : 0; + UDF_SB_VOLIDENT(inode->i_sb), 32) ? -EFAULT : 0; case UDF_RELOCATE_BLOCKS: - { - long old, new; - - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - if (get_user(old, (long __user *)arg)) - return -EFAULT; - if ((result = udf_relocate_blocks(inode->i_sb, - old, &new)) == 0) - result = put_user(new, (long __user *)arg); - - return result; - } + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + if (get_user(old_block, (long __user *)arg)) + return -EFAULT; + if ((result = udf_relocate_blocks(inode->i_sb, + old_block, &new_block)) == 0) + result = put_user(new_block, (long __user *)arg); + return result; case UDF_GETEASIZE: result = put_user(UDF_I_LENEATTR(inode), (int __user *)arg); break; - case UDF_GETEABLOCK: result = copy_to_user((char __user *)arg, UDF_I_DATA(inode), UDF_I_LENEATTR(inode)) ? -EFAULT : 0; @@ -248,16 +244,16 @@ static int udf_release_file(struct inode *inode, struct file *filp) } const struct file_operations udf_file_operations = { - .read = do_sync_read, - .aio_read = generic_file_aio_read, - .ioctl = udf_ioctl, - .open = generic_file_open, - .mmap = generic_file_mmap, - .write = do_sync_write, - .aio_write = udf_file_aio_write, - .release = udf_release_file, - .fsync = udf_fsync_file, - .splice_read = generic_file_splice_read, + .read = do_sync_read, + .aio_read = generic_file_aio_read, + .ioctl = udf_ioctl, + .open = generic_file_open, + .mmap = generic_file_mmap, + .write = do_sync_write, + .aio_write = udf_file_aio_write, + .release = udf_release_file, + .fsync = udf_fsync_file, + .splice_read = generic_file_splice_read, }; const struct inode_operations udf_file_inode_operations = { diff --git a/fs/udf/fsync.c b/fs/udf/fsync.c index 7f0901c..b2c472b 100644 --- a/fs/udf/fsync.c +++ b/fs/udf/fsync.c @@ -32,6 +32,7 @@ static int udf_fsync_inode(struct inode *, int); int udf_fsync_file(struct file *file, struct dentry *dentry, int datasync) { struct inode *inode = dentry->d_inode; + return udf_fsync_inode(inode, datasync); } @@ -46,5 +47,6 @@ static int udf_fsync_inode(struct inode *inode, int datasync) return err; err |= udf_sync_inode(inode); + return err ? -EIO : 0; } diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 2eb5038..636d8f6 100644 --- a/fs/udf/ialloc.c +++ b/fs/udf/ialloc.c @@ -46,12 +46,10 @@ void udf_free_inode(struct inode *inode) if (sbi->s_lvidbh) { if (S_ISDIR(inode->i_mode)) UDF_SB_LVIDIU(sb)->numDirs = - cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) - - 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) - 1); else UDF_SB_LVIDIU(sb)->numFiles = - cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - - 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - 1); mark_buffer_dirty(sbi->s_lvidbh); } @@ -82,10 +80,8 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) UDF_I_NEXT_ALLOC_GOAL(inode) = 0; UDF_I_STRAT4096(inode) = 0; - block = - udf_new_block(dir->i_sb, NULL, - UDF_I_LOCATION(dir).partitionReferenceNum, start, - err); + block = udf_new_block(dir->i_sb, NULL, UDF_I_LOCATION(dir).partitionReferenceNum, + start, err); if (*err) { iput(inode); return NULL; @@ -95,17 +91,13 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) if (UDF_SB_LVIDBH(sb)) { struct logicalVolHeaderDesc *lvhd; uint64_t uniqueID; - lvhd = - (struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)-> - logicalVolContentsUse); + lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)->logicalVolContentsUse); if (S_ISDIR(mode)) UDF_SB_LVIDIU(sb)->numDirs = - cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) - + 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) + 1); else UDF_SB_LVIDIU(sb)->numFiles = - cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - + 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) + 1); UDF_I_UNIQUE(inode) = uniqueID = le64_to_cpu(lvhd->uniqueID); if (!(++uniqueID & 0x00000000FFFFFFFFUL)) uniqueID += 16; @@ -118,12 +110,12 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) inode->i_gid = dir->i_gid; if (S_ISDIR(mode)) mode |= S_ISGID; - } else + } else { inode->i_gid = current->fsgid; + } UDF_I_LOCATION(inode).logicalBlockNum = block; - UDF_I_LOCATION(inode).partitionReferenceNum = - UDF_I_LOCATION(dir).partitionReferenceNum; + UDF_I_LOCATION(inode).partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum; inode->i_ino = udf_get_lb_pblock(sb, UDF_I_LOCATION(inode), 0); inode->i_blocks = 0; UDF_I_LENEATTR(inode) = 0; @@ -132,14 +124,10 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) { UDF_I_EFE(inode) = 1; UDF_UPDATE_UDFREV(inode->i_sb, UDF_VERS_USE_EXTENDED_FE); - UDF_I_DATA(inode) = - kzalloc(inode->i_sb->s_blocksize - - sizeof(struct extendedFileEntry), GFP_KERNEL); + UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL); } else { UDF_I_EFE(inode) = 0; - UDF_I_DATA(inode) = - kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), - GFP_KERNEL); + UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL); } if (!UDF_I_DATA(inode)) { iput(inode); @@ -154,7 +142,7 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) else UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_LONG; inode->i_mtime = inode->i_atime = inode->i_ctime = - UDF_I_CRTIME(inode) = current_fs_time(inode->i_sb); + UDF_I_CRTIME(inode) = current_fs_time(inode->i_sb); insert_inode_hash(inode); mark_inode_dirty(inode); mutex_unlock(&sbi->s_alloc_mutex); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index be6326f..0d2c416 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -97,7 +97,8 @@ void udf_delete_inode(struct inode *inode) unlock_kernel(); return; - no_delete: + +no_delete: clear_inode(inode); } @@ -144,12 +145,12 @@ static sector_t udf_bmap(struct address_space *mapping, sector_t block) } const struct address_space_operations udf_aops = { - .readpage = udf_readpage, - .writepage = udf_writepage, - .sync_page = block_sync_page, - .prepare_write = udf_prepare_write, - .commit_write = generic_commit_write, - .bmap = udf_bmap, + .readpage = udf_readpage, + .writepage = udf_writepage, + .sync_page = block_sync_page, + .prepare_write = udf_prepare_write, + .commit_write = generic_commit_write, + .bmap = udf_bmap, }; void udf_expand_file_adinicb(struct inode *inode, int newsize, int *err) @@ -230,12 +231,10 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block, *block = udf_new_block(inode->i_sb, inode, UDF_I_LOCATION(inode).partitionReferenceNum, UDF_I_LOCATION(inode).logicalBlockNum, err); - if (!(*block)) return NULL; newblock = udf_get_pblock(inode->i_sb, *block, - UDF_I_LOCATION(inode).partitionReferenceNum, - 0); + UDF_I_LOCATION(inode).partitionReferenceNum, 0); if (!newblock) return NULL; dbh = udf_tgetblk(inode->i_sb, newblock); @@ -247,16 +246,13 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block, unlock_buffer(dbh); mark_buffer_dirty_inode(dbh, inode); - sfibh.soffset = sfibh.eoffset = - (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2; + sfibh.soffset = sfibh.eoffset = (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2; sfibh.sbh = sfibh.ebh = NULL; dfibh.soffset = dfibh.eoffset = 0; dfibh.sbh = dfibh.ebh = dbh; while ((f_pos < size)) { UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; - sfi = - udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, - NULL, NULL); + sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL); if (!sfi) { brelse(dbh); return NULL; @@ -267,8 +263,7 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block, dfibh.eoffset += (sfibh.eoffset - sfibh.soffset); dfi = (struct fileIdentDesc *)(dbh->b_data + dfibh.soffset); if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse, - sfi->fileIdent + - le16_to_cpu(sfi->lengthOfImpUse))) { + sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse))) { UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; brelse(dbh); return NULL; @@ -276,12 +271,10 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block, } mark_buffer_dirty_inode(dbh, inode); - memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, - UDF_I_LENALLOC(inode)); + memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, UDF_I_LENALLOC(inode)); UDF_I_LENALLOC(inode) = 0; eloc.logicalBlockNum = *block; - eloc.partitionReferenceNum = - UDF_I_LOCATION(inode).partitionReferenceNum; + eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; elen = inode->i_size; UDF_I_LENEXTENTS(inode) = elen; epos.bh = NULL; @@ -334,11 +327,12 @@ static int udf_get_block(struct inode *inode, sector_t block, if (new) set_buffer_new(bh_result); map_bh(bh_result, inode->i_sb, phys); - abort: + +abort: unlock_kernel(); return err; - abort_negative: +abort_negative: udf_warning(inode->i_sb, "udf_get_block", "block < 0"); goto abort; } @@ -346,13 +340,13 @@ static int udf_get_block(struct inode *inode, sector_t block, static struct buffer_head *udf_getblk(struct inode *inode, long block, int create, int *err) { + struct buffer_head *bh; struct buffer_head dummy; dummy.b_state = 0; dummy.b_blocknr = -1000; *err = udf_get_block(inode, block, &dummy, create); if (!*err && buffer_mapped(&dummy)) { - struct buffer_head *bh; bh = sb_getblk(inode->i_sb, dummy.b_blocknr); if (buffer_new(&dummy)) { lock_buffer(bh); @@ -363,6 +357,7 @@ static struct buffer_head *udf_getblk(struct inode *inode, long block, } return bh; } + return NULL; } @@ -373,42 +368,41 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos, sector_t add; int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK); struct super_block *sb = inode->i_sb; - kernel_lb_addr prealloc_loc = { 0, 0 }; + kernel_lb_addr prealloc_loc = {}; int prealloc_len = 0; /* The previous extent is fake and we should not extend by anything * - there's nothing to do... */ if (!blocks && fake) return 0; + /* Round the last extent up to a multiple of block size */ if (last_ext->extLength & (sb->s_blocksize - 1)) { last_ext->extLength = - (last_ext->extLength & UDF_EXTENT_FLAG_MASK) | - (((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) + - sb->s_blocksize - 1) & ~(sb->s_blocksize - 1)); + (last_ext->extLength & UDF_EXTENT_FLAG_MASK) | + (((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) + + sb->s_blocksize - 1) & ~(sb->s_blocksize - 1)); UDF_I_LENEXTENTS(inode) = - (UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) & - ~(sb->s_blocksize - 1); + (UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) & + ~(sb->s_blocksize - 1); } + /* Last extent are just preallocated blocks? */ - if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == - EXT_NOT_RECORDED_ALLOCATED) { + if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_ALLOCATED) { /* Save the extent so that we can reattach it to the end */ prealloc_loc = last_ext->extLocation; prealloc_len = last_ext->extLength; /* Mark the extent as a hole */ last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | - (last_ext->extLength & UDF_EXTENT_LENGTH_MASK); + (last_ext->extLength & UDF_EXTENT_LENGTH_MASK); last_ext->extLocation.logicalBlockNum = 0; - last_ext->extLocation.partitionReferenceNum = 0; + last_ext->extLocation.partitionReferenceNum = 0; } + /* Can we merge with the previous extent? */ - if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == - EXT_NOT_RECORDED_NOT_ALLOCATED) { - add = - ((1 << 30) - sb->s_blocksize - - (last_ext->extLength & UDF_EXTENT_LENGTH_MASK)) >> sb-> - s_blocksize_bits; + if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_NOT_ALLOCATED) { + add = ((1 << 30) - sb->s_blocksize - (last_ext->extLength & + UDF_EXTENT_LENGTH_MASK)) >> sb->s_blocksize_bits; if (add > blocks) add = blocks; blocks -= add; @@ -419,19 +413,20 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos, udf_add_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1); count++; - } else - udf_write_aext(inode, last_pos, last_ext->extLocation, - last_ext->extLength, 1); + } else { + udf_write_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1); + } + /* Managed to do everything necessary? */ if (!blocks) goto out; /* All further extents will be NOT_RECORDED_NOT_ALLOCATED */ last_ext->extLocation.logicalBlockNum = 0; - last_ext->extLocation.partitionReferenceNum = 0; - add = (1 << (30 - sb->s_blocksize_bits)) - 1; - last_ext->extLength = - EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits); + last_ext->extLocation.partitionReferenceNum = 0; + add = (1 << (30-sb->s_blocksize_bits)) - 1; + last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits); + /* Create enough extents to cover the whole hole */ while (blocks > add) { blocks -= add; @@ -442,22 +437,23 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos, } if (blocks) { last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | - (blocks << sb->s_blocksize_bits); + (blocks << sb->s_blocksize_bits); if (udf_add_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1) == -1) return -1; count++; } - out: + +out: /* Do we have some preallocated blocks saved? */ if (prealloc_len) { - if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1) - == -1) + if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1) == -1) return -1; last_ext->extLocation = prealloc_loc; last_ext->extLength = prealloc_len; count++; } + /* last_pos should point to the last written extent... */ if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) last_pos->offset -= sizeof(short_ad); @@ -465,6 +461,7 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos, last_pos->offset -= sizeof(long_ad); else return -1; + return count; } @@ -490,7 +487,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, prev_epos.block = UDF_I_LOCATION(inode); prev_epos.bh = NULL; cur_epos = next_epos = prev_epos; - b_off = (loff_t) block << inode->i_sb->s_blocksize_bits; + b_off = (loff_t)block << inode->i_sb->s_blocksize_bits; /* find the extent which contains the block we are looking for. alternate between laarr[0] and laarr[1] for locations of the @@ -515,8 +512,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, prev_epos.offset = cur_epos.offset; cur_epos.offset = next_epos.offset; - if ((etype = - udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1) + if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1) break; c = !c; @@ -526,8 +522,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, if (etype != (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) pgoal = eloc.logicalBlockNum + - ((elen + inode->i_sb->s_blocksize - 1) >> - inode->i_sb->s_blocksize_bits); + ((elen + inode->i_sb->s_blocksize - 1) >> + inode->i_sb->s_blocksize_bits); count++; } while (lbcount + elen <= b_off); @@ -547,8 +543,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, if (etype == (EXT_RECORDED_ALLOCATED >> 30)) { if (elen & (inode->i_sb->s_blocksize - 1)) { elen = EXT_RECORDED_ALLOCATED | - ((elen + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); + ((elen + inode->i_sb->s_blocksize - 1) & + ~(inode->i_sb->s_blocksize - 1)); etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1); } brelse(prev_epos.bh); @@ -570,8 +566,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, startnum = 1; } else { /* Create a fake extent when there's not one */ - memset(&laarr[0].extLocation, 0x00, - sizeof(kernel_lb_addr)); + memset(&laarr[0].extLocation, 0x00, sizeof(kernel_lb_addr)); laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; /* Will udf_extend_file() create real extent from a fake one? */ startnum = (offset > 0); @@ -591,16 +586,14 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, offset = 0; count += ret; /* We are not covered by a preallocated extent? */ - if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) != - EXT_NOT_RECORDED_ALLOCATED) { + if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) != EXT_NOT_RECORDED_ALLOCATED) { /* Is there any real extent? - otherwise we overwrite * the fake one... */ if (count) c = !c; laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | - inode->i_sb->s_blocksize; - memset(&laarr[c].extLocation, 0x00, - sizeof(kernel_lb_addr)); + inode->i_sb->s_blocksize; + memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr)); count++; endnum++; } @@ -618,8 +611,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, } /* if the current block is located in an extent, read the next extent */ - if ((etype = - udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) { + if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) { laarr[c + 1].extLength = (etype << 30) | elen; laarr[c + 1].extLocation = eloc; count++; @@ -631,24 +623,21 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, } /* if the current extent is not recorded but allocated, get the - block in the extent corresponding to the requested block */ - if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) + * block in the extent corresponding to the requested block */ + if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { newblocknum = laarr[c].extLocation.logicalBlockNum + offset; - else { /* otherwise, allocate a new block */ - + } else { /* otherwise, allocate a new block */ if (UDF_I_NEXT_ALLOC_BLOCK(inode) == block) goal = UDF_I_NEXT_ALLOC_GOAL(inode); if (!goal) { if (!(goal = pgoal)) - goal = - UDF_I_LOCATION(inode).logicalBlockNum + 1; + goal = UDF_I_LOCATION(inode).logicalBlockNum + 1; } if (!(newblocknum = udf_new_block(inode->i_sb, inode, - UDF_I_LOCATION(inode). - partitionReferenceNum, goal, - err))) { + UDF_I_LOCATION(inode).partitionReferenceNum, + goal, err))) { brelse(prev_epos.bh); *err = -ENOSPC; return NULL; @@ -657,8 +646,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, } /* if the extent the requsted block is located in contains multiple blocks, - split the extent into at most three extents. blocks prior to requested - block, requested block, and blocks after requested block */ + * split the extent into at most three extents. blocks prior to requested + * block, requested block, and blocks after requested block */ udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum); #ifdef UDF_PREALLOCATE @@ -670,15 +659,14 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, udf_merge_extents(inode, laarr, &endnum); /* write back the new extents, inserting new extents if the new number - of extents is greater than the old number, and deleting extents if - the new number of extents is less than the old number */ + * of extents is greater than the old number, and deleting extents if + * the new number of extents is less than the old number */ udf_update_extents(inode, laarr, startnum, endnum, &prev_epos); brelse(prev_epos.bh); if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum, - UDF_I_LOCATION(inode). - partitionReferenceNum, 0))) { + UDF_I_LOCATION(inode).partitionReferenceNum, 0))) { return NULL; } *phys = newblock; @@ -692,6 +680,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, udf_sync_inode(inode); else mark_inode_dirty(inode); + return result; } @@ -701,16 +690,15 @@ static void udf_split_extents(struct inode *inode, int *c, int offset, int *endnum) { if ((laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30) || - (laarr[*c].extLength >> 30) == - (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) { + (laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) { int curr = *c; int blen = ((laarr[curr].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits; + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits; int8_t etype = (laarr[curr].extLength >> 30); - if (blen == 1) ; - else if (!offset || blen == offset + 1) { + if (blen == 1) { + ; + } else if (!offset || blen == offset + 1) { laarr[curr + 2] = laarr[curr + 1]; laarr[curr + 1] = laarr[curr]; } else { @@ -720,20 +708,15 @@ static void udf_split_extents(struct inode *inode, int *c, int offset, if (offset) { if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { - udf_free_blocks(inode->i_sb, inode, - laarr[curr].extLocation, 0, - offset); - laarr[curr].extLength = - EXT_NOT_RECORDED_NOT_ALLOCATED | (offset << - inode-> - i_sb-> - s_blocksize_bits); + udf_free_blocks(inode->i_sb, inode, laarr[curr].extLocation, 0, offset); + laarr[curr].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + (offset << inode->i_sb->s_blocksize_bits); laarr[curr].extLocation.logicalBlockNum = 0; - laarr[curr].extLocation.partitionReferenceNum = - 0; - } else + laarr[curr].extLocation.partitionReferenceNum = 0; + } else { laarr[curr].extLength = (etype << 30) | - (offset << inode->i_sb->s_blocksize_bits); + (offset << inode->i_sb->s_blocksize_bits); + } curr++; (*c)++; (*endnum)++; @@ -742,18 +725,16 @@ static void udf_split_extents(struct inode *inode, int *c, int offset, laarr[curr].extLocation.logicalBlockNum = newblocknum; if (etype == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) laarr[curr].extLocation.partitionReferenceNum = - UDF_I_LOCATION(inode).partitionReferenceNum; + UDF_I_LOCATION(inode).partitionReferenceNum; laarr[curr].extLength = EXT_RECORDED_ALLOCATED | - inode->i_sb->s_blocksize; + inode->i_sb->s_blocksize; curr++; if (blen != offset + 1) { if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) - laarr[curr].extLocation.logicalBlockNum += - (offset + 1); - laarr[curr].extLength = - (etype << 30) | ((blen - (offset + 1)) << inode-> - i_sb->s_blocksize_bits); + laarr[curr].extLocation.logicalBlockNum += (offset + 1); + laarr[curr].extLength = (etype << 30) | + ((blen - (offset + 1)) << inode->i_sb->s_blocksize_bits); curr++; (*endnum)++; } @@ -772,90 +753,69 @@ static void udf_prealloc_extents(struct inode *inode, int c, int lastblock, else start = c; } else { - if ((laarr[c + 1].extLength >> 30) == - (EXT_NOT_RECORDED_ALLOCATED >> 30)) { + if ((laarr[c + 1].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { start = c + 1; - length = currlength = - (((laarr[c + 1]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits); - } else + length = currlength = (((laarr[c + 1].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); + } else { start = c; + } } for (i = start + 1; i <= *endnum; i++) { if (i == *endnum) { if (lastblock) length += UDF_DEFAULT_PREALLOC_BLOCKS; - } else if ((laarr[i].extLength >> 30) == - (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) - length += - (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits); - else + } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) { + length += (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); + } else { break; + } } if (length) { int next = laarr[start].extLocation.logicalBlockNum + - (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits); + (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); int numalloc = udf_prealloc_blocks(inode->i_sb, inode, - laarr[start].extLocation. - partitionReferenceNum, - next, - (UDF_DEFAULT_PREALLOC_BLOCKS - > - length ? length : - UDF_DEFAULT_PREALLOC_BLOCKS) - - currlength); - - if (numalloc) { - if (start == (c + 1)) + laarr[start].extLocation.partitionReferenceNum, + next, (UDF_DEFAULT_PREALLOC_BLOCKS > length ? length : + UDF_DEFAULT_PREALLOC_BLOCKS) - currlength); + if (numalloc) { + if (start == (c + 1)) { laarr[start].extLength += - (numalloc << inode->i_sb->s_blocksize_bits); - else { + (numalloc << inode->i_sb->s_blocksize_bits); + } else { memmove(&laarr[c + 2], &laarr[c + 1], sizeof(long_ad) * (*endnum - (c + 1))); (*endnum)++; laarr[c + 1].extLocation.logicalBlockNum = next; laarr[c + 1].extLocation.partitionReferenceNum = - laarr[c].extLocation.partitionReferenceNum; - laarr[c + 1].extLength = - EXT_NOT_RECORDED_ALLOCATED | (numalloc << - inode->i_sb-> - s_blocksize_bits); + laarr[c].extLocation.partitionReferenceNum; + laarr[c + 1].extLength = EXT_NOT_RECORDED_ALLOCATED | + (numalloc << inode->i_sb->s_blocksize_bits); start = c + 1; } for (i = start + 1; numalloc && i < *endnum; i++) { - int elen = - ((laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits; + int elen = ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits; if (elen > numalloc) { laarr[i].extLength -= - (numalloc << inode->i_sb-> - s_blocksize_bits); + (numalloc << inode->i_sb->s_blocksize_bits); numalloc = 0; } else { numalloc -= elen; if (*endnum > (i + 1)) - memmove(&laarr[i], - &laarr[i + 1], - sizeof(long_ad) * - (*endnum - (i + 1))); + memmove(&laarr[i], &laarr[i + 1], + sizeof(long_ad) * (*endnum - (i + 1))); i--; (*endnum)--; } } - UDF_I_LENEXTENTS(inode) += - numalloc << inode->i_sb->s_blocksize_bits; + UDF_I_LENEXTENTS(inode) += numalloc << inode->i_sb->s_blocksize_bits; } } } @@ -867,119 +827,68 @@ static void udf_merge_extents(struct inode *inode, int i; for (i = 0; i < (*endnum - 1); i++) { - if ((laarr[i].extLength >> 30) == - (laarr[i + 1].extLength >> 30)) { - if (((laarr[i].extLength >> 30) == - (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) - || - ((laarr[i + 1].extLocation.logicalBlockNum - - laarr[i].extLocation.logicalBlockNum) == + if ((laarr[i].extLength >> 30) == (laarr[i + 1].extLength >> 30)) { + if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) || + ((laarr[i + 1].extLocation.logicalBlockNum - laarr[i].extLocation.logicalBlockNum) == (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits))) { - if (((laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - (laarr[i + 1]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) & ~UDF_EXTENT_LENGTH_MASK) { - laarr[i + 1].extLength = - (laarr[i + 1].extLength - - (laarr[i]. - extLength & - UDF_EXTENT_LENGTH_MASK) + - UDF_EXTENT_LENGTH_MASK) & ~(inode-> - i_sb-> - s_blocksize - - 1); - laarr[i].extLength = - (laarr[i]. - extLength & UDF_EXTENT_FLAG_MASK) + - (UDF_EXTENT_LENGTH_MASK + 1) - - inode->i_sb->s_blocksize; - laarr[i + - 1].extLocation.logicalBlockNum = - laarr[i].extLocation. - logicalBlockNum + - ((laarr[i]. - extLength & - UDF_EXTENT_LENGTH_MASK) >> inode-> - i_sb->s_blocksize_bits); + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits))) { + if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) { + laarr[i + 1].extLength = (laarr[i + 1].extLength - + (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1); + laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) + + (UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize; + laarr[i + 1].extLocation.logicalBlockNum = + laarr[i].extLocation.logicalBlockNum + + ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) >> + inode->i_sb->s_blocksize_bits); } else { - laarr[i].extLength = - laarr[i + 1].extLength + - (((laarr[i]. - extLength & - UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) & ~(inode->i_sb->s_blocksize - - 1)); + laarr[i].extLength = laarr[i + 1].extLength + + (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1)); if (*endnum > (i + 2)) - memmove(&laarr[i + 1], - &laarr[i + 2], - sizeof(long_ad) * - (*endnum - (i + 2))); + memmove(&laarr[i + 1], &laarr[i + 2], + sizeof(long_ad) * (*endnum - (i + 2))); i--; (*endnum)--; } } - } else - if (((laarr[i].extLength >> 30) == - (EXT_NOT_RECORDED_ALLOCATED >> 30)) - && ((laarr[i + 1].extLength >> 30) == - (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) { - udf_free_blocks(inode->i_sb, inode, - laarr[i].extLocation, 0, - ((laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits); + } else if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) && + ((laarr[i + 1].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) { + udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0, + ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); laarr[i].extLocation.logicalBlockNum = 0; laarr[i].extLocation.partitionReferenceNum = 0; if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) & ~UDF_EXTENT_LENGTH_MASK) { - laarr[i + 1].extLength = - (laarr[i + 1].extLength - - (laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb-> - s_blocksize - - 1); - laarr[i].extLength = - (laarr[i]. - extLength & UDF_EXTENT_FLAG_MASK) + - (UDF_EXTENT_LENGTH_MASK + 1) - - inode->i_sb->s_blocksize; + inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) { + laarr[i + 1].extLength = (laarr[i + 1].extLength - + (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1); + laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) + + (UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize; } else { laarr[i].extLength = laarr[i + 1].extLength + - (((laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) & ~(inode->i_sb->s_blocksize - 1)); + (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1)); if (*endnum > (i + 2)) memmove(&laarr[i + 1], &laarr[i + 2], - sizeof(long_ad) * (*endnum - - (i + 2))); + sizeof(long_ad) * (*endnum - (i + 2))); i--; (*endnum)--; } - } else if ((laarr[i].extLength >> 30) == - (EXT_NOT_RECORDED_ALLOCATED >> 30)) { - udf_free_blocks(inode->i_sb, inode, - laarr[i].extLocation, 0, - ((laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits); + } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { + udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0, + ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); laarr[i].extLocation.logicalBlockNum = 0; laarr[i].extLocation.partitionReferenceNum = 0; - laarr[i].extLength = - (laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) | - EXT_NOT_RECORDED_NOT_ALLOCATED; + laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) | + EXT_NOT_RECORDED_NOT_ALLOCATED; } } } @@ -1025,10 +934,13 @@ struct buffer_head *udf_bread(struct inode *inode, int block, if (buffer_uptodate(bh)) return bh; + ll_rw_block(READ, 1, &bh); + wait_on_buffer(bh); if (buffer_uptodate(bh)) return bh; + brelse(bh); *err = -EIO; return NULL; @@ -1047,26 +959,24 @@ void udf_truncate(struct inode *inode) lock_kernel(); if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { - if (inode->i_sb->s_blocksize < - (udf_file_entry_alloc_offset(inode) + inode->i_size)) { + if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) + + inode->i_size)) { udf_expand_file_adinicb(inode, inode->i_size, &err); if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { inode->i_size = UDF_I_LENALLOC(inode); unlock_kernel(); return; - } else + } else { udf_truncate_extents(inode); + } } else { offset = inode->i_size & (inode->i_sb->s_blocksize - 1); - memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + - offset, 0x00, - inode->i_sb->s_blocksize - offset - - udf_file_entry_alloc_offset(inode)); + memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, 0x00, + inode->i_sb->s_blocksize - offset - udf_file_entry_alloc_offset(inode)); UDF_I_LENALLOC(inode) = inode->i_size; } } else { - block_truncate_page(inode->i_mapping, inode->i_size, - udf_get_block); + block_truncate_page(inode->i_mapping, inode->i_size, udf_get_block); udf_truncate_extents(inode); } @@ -1097,7 +1007,6 @@ static void __udf_read_inode(struct inode *inode) * i_op = NULL; */ bh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 0, &ident); - if (!bh) { printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed !bh\n", inode->i_ino); @@ -1107,8 +1016,7 @@ static void __udf_read_inode(struct inode *inode) if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE && ident != TAG_IDENT_USE) { - printk(KERN_ERR - "udf: udf_read_inode(ino %ld) failed ident=%d\n", + printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed ident=%d\n", inode->i_ino, ident); brelse(bh); make_bad_inode(inode); @@ -1121,9 +1029,7 @@ static void __udf_read_inode(struct inode *inode) struct buffer_head *ibh = NULL, *nbh = NULL; struct indirectEntry *ie; - ibh = - udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1, - &ident); + ibh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1, &ident); if (ident == TAG_IDENT_IE) { if (ibh) { kernel_lb_addr loc; @@ -1132,13 +1038,10 @@ static void __udf_read_inode(struct inode *inode) loc = lelb_to_cpu(ie->indirectICB.extLocation); if (ie->indirectICB.extLength && - (nbh = - udf_read_ptagged(inode->i_sb, loc, 0, - &ident))) { - if (ident == TAG_IDENT_FE - || ident == TAG_IDENT_EFE) { - memcpy(&UDF_I_LOCATION(inode), - &loc, + (nbh = udf_read_ptagged(inode->i_sb, loc, 0, &ident))) { + if (ident == TAG_IDENT_FE || + ident == TAG_IDENT_EFE) { + memcpy(&UDF_I_LOCATION(inode), &loc, sizeof(kernel_lb_addr)); brelse(bh); brelse(ibh); @@ -1149,11 +1052,13 @@ static void __udf_read_inode(struct inode *inode) brelse(nbh); brelse(ibh); } - } else + } else { brelse(ibh); + } } - } else + } else { brelse(ibh); + } } else if (le16_to_cpu(fe->icbTag.strategyType) != 4) { printk(KERN_ERR "udf: unsupported strategy type: %d\n", le16_to_cpu(fe->icbTag.strategyType)); @@ -1179,11 +1084,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) if (le16_to_cpu(fe->icbTag.strategyType) == 4) UDF_I_STRAT4096(inode) = 0; - else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */ + else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */ UDF_I_STRAT4096(inode) = 1; - UDF_I_ALLOCTYPE(inode) = - le16_to_cpu(fe->icbTag.flags) & ICBTAG_FLAG_AD_MASK; + UDF_I_ALLOCTYPE(inode) = le16_to_cpu(fe->icbTag.flags) & ICBTAG_FLAG_AD_MASK; UDF_I_UNIQUE(inode) = 0; UDF_I_LENEATTR(inode) = 0; UDF_I_LENEXTENTS(inode) = 0; @@ -1193,23 +1097,16 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_EFE) { UDF_I_EFE(inode) = 1; UDF_I_USE(inode) = 0; - if (udf_alloc_i_data - (inode, - inode->i_sb->s_blocksize - - sizeof(struct extendedFileEntry))) { + if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry))) { make_bad_inode(inode); return; } - memcpy(UDF_I_DATA(inode), - bh->b_data + sizeof(struct extendedFileEntry), - inode->i_sb->s_blocksize - - sizeof(struct extendedFileEntry)); + memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct extendedFileEntry), + inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry)); } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_FE) { UDF_I_EFE(inode) = 0; UDF_I_USE(inode) = 0; - if (udf_alloc_i_data - (inode, - inode->i_sb->s_blocksize - sizeof(struct fileEntry))) { + if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct fileEntry))) { make_bad_inode(inode); return; } @@ -1219,19 +1116,13 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) UDF_I_EFE(inode) = 0; UDF_I_USE(inode) = 1; UDF_I_LENALLOC(inode) = - le32_to_cpu(((struct unallocSpaceEntry *)bh->b_data)-> - lengthAllocDescs); - if (udf_alloc_i_data - (inode, - inode->i_sb->s_blocksize - - sizeof(struct unallocSpaceEntry))) { + le32_to_cpu(((struct unallocSpaceEntry *)bh->b_data)->lengthAllocDescs); + if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry))) { make_bad_inode(inode); return; } - memcpy(UDF_I_DATA(inode), - bh->b_data + sizeof(struct unallocSpaceEntry), - inode->i_sb->s_blocksize - - sizeof(struct unallocSpaceEntry)); + memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct unallocSpaceEntry), + inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry)); return; } @@ -1257,7 +1148,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) if (UDF_I_EFE(inode) == 0) { inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) << - (inode->i_sb->s_blocksize_bits - 9); + (inode->i_sb->s_blocksize_bits - 9); if (udf_stamp_to_time(&convtime, &convtime_usec, lets_to_cpu(fe->accessTime))) { @@ -1326,78 +1217,56 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) UDF_I_UNIQUE(inode) = le64_to_cpu(efe->uniqueID); UDF_I_LENEATTR(inode) = le32_to_cpu(efe->lengthExtendedAttr); UDF_I_LENALLOC(inode) = le32_to_cpu(efe->lengthAllocDescs); - offset = - sizeof(struct extendedFileEntry) + UDF_I_LENEATTR(inode); + offset = sizeof(struct extendedFileEntry) + UDF_I_LENEATTR(inode); } switch (fe->icbTag.fileType) { case ICBTAG_FILE_TYPE_DIRECTORY: - { - inode->i_op = &udf_dir_inode_operations; - inode->i_fop = &udf_dir_operations; - inode->i_mode |= S_IFDIR; - inc_nlink(inode); - break; - } + inode->i_op = &udf_dir_inode_operations; + inode->i_fop = &udf_dir_operations; + inode->i_mode |= S_IFDIR; + inc_nlink(inode); + break; case ICBTAG_FILE_TYPE_REALTIME: case ICBTAG_FILE_TYPE_REGULAR: case ICBTAG_FILE_TYPE_UNDEF: - { - if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) - inode->i_data.a_ops = &udf_adinicb_aops; - else - inode->i_data.a_ops = &udf_aops; - inode->i_op = &udf_file_inode_operations; - inode->i_fop = &udf_file_operations; - inode->i_mode |= S_IFREG; - break; - } + if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) + inode->i_data.a_ops = &udf_adinicb_aops; + else + inode->i_data.a_ops = &udf_aops; + inode->i_op = &udf_file_inode_operations; + inode->i_fop = &udf_file_operations; + inode->i_mode |= S_IFREG; + break; case ICBTAG_FILE_TYPE_BLOCK: - { - inode->i_mode |= S_IFBLK; - break; - } + inode->i_mode |= S_IFBLK; + break; case ICBTAG_FILE_TYPE_CHAR: - { - inode->i_mode |= S_IFCHR; - break; - } + inode->i_mode |= S_IFCHR; + break; case ICBTAG_FILE_TYPE_FIFO: - { - init_special_inode(inode, inode->i_mode | S_IFIFO, 0); - break; - } + init_special_inode(inode, inode->i_mode | S_IFIFO, 0); + break; case ICBTAG_FILE_TYPE_SOCKET: - { - init_special_inode(inode, inode->i_mode | S_IFSOCK, 0); - break; - } + init_special_inode(inode, inode->i_mode | S_IFSOCK, 0); + break; case ICBTAG_FILE_TYPE_SYMLINK: - { - inode->i_data.a_ops = &udf_symlink_aops; - inode->i_op = &page_symlink_inode_operations; - inode->i_mode = S_IFLNK | S_IRWXUGO; - break; - } + inode->i_data.a_ops = &udf_symlink_aops; + inode->i_op = &page_symlink_inode_operations; + inode->i_mode = S_IFLNK | S_IRWXUGO; + break; default: - { - printk(KERN_ERR - "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n", - inode->i_ino, fe->icbTag.fileType); - make_bad_inode(inode); - return; - } + printk(KERN_ERR "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n", + inode->i_ino, fe->icbTag.fileType); + make_bad_inode(inode); + return; } if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { - struct deviceSpec *dsea = (struct deviceSpec *) - udf_get_extendedattr(inode, 12, 1); - + struct deviceSpec *dsea = (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1); if (dsea) { init_special_inode(inode, inode->i_mode, - MKDEV(le32_to_cpu - (dsea->majorDeviceIdent), - le32_to_cpu(dsea-> - minorDeviceIdent))); + MKDEV(le32_to_cpu(dsea->majorDeviceIdent), + le32_to_cpu(dsea->minorDeviceIdent))); /* Developer ID ??? */ } else { make_bad_inode(inode); @@ -1410,8 +1279,7 @@ static int udf_alloc_i_data(struct inode *inode, size_t size) UDF_I_DATA(inode) = kmalloc(size, GFP_KERNEL); if (!UDF_I_DATA(inode)) { - printk(KERN_ERR - "udf:udf_alloc_i_data (ino %ld) no free memory\n", + printk(KERN_ERR "udf:udf_alloc_i_data (ino %ld) no free memory\n", inode->i_ino); return -ENOMEM; } @@ -1428,12 +1296,12 @@ static mode_t udf_convert_permissions(struct fileEntry *fe) permissions = le32_to_cpu(fe->permissions); flags = le16_to_cpu(fe->icbTag.flags); - mode = ((permissions) & S_IRWXO) | - ((permissions >> 2) & S_IRWXG) | - ((permissions >> 4) & S_IRWXU) | - ((flags & ICBTAG_FLAG_SETUID) ? S_ISUID : 0) | - ((flags & ICBTAG_FLAG_SETGID) ? S_ISGID : 0) | - ((flags & ICBTAG_FLAG_STICKY) ? S_ISVTX : 0); + mode = (( permissions ) & S_IRWXO) | + (( permissions >> 2 ) & S_IRWXG) | + (( permissions >> 4 ) & S_IRWXU) | + (( flags & ICBTAG_FLAG_SETUID) ? S_ISUID : 0) | + (( flags & ICBTAG_FLAG_SETGID) ? S_ISGID : 0) | + (( flags & ICBTAG_FLAG_STICKY) ? S_ISVTX : 0); return mode; } @@ -1456,9 +1324,11 @@ static mode_t udf_convert_permissions(struct fileEntry *fe) int udf_write_inode(struct inode *inode, int sync) { int ret; + lock_kernel(); ret = udf_update_inode(inode, sync); unlock_kernel(); + return ret; } @@ -1479,10 +1349,7 @@ static int udf_update_inode(struct inode *inode, int do_sync) kernel_timestamp cpu_time; int err = 0; - bh = udf_tread(inode->i_sb, - udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode), - 0)); - + bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode), 0)); if (!bh) { udf_debug("bread failure\n"); return -EIO; @@ -1495,27 +1362,21 @@ static int udf_update_inode(struct inode *inode, int do_sync) if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) { struct unallocSpaceEntry *use = - (struct unallocSpaceEntry *)bh->b_data; + (struct unallocSpaceEntry *)bh->b_data; use->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode)); - memcpy(bh->b_data + sizeof(struct unallocSpaceEntry), - UDF_I_DATA(inode), - inode->i_sb->s_blocksize - - sizeof(struct unallocSpaceEntry)); - crclen = - sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) - - sizeof(tag); - use->descTag.tagLocation = - cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); + memcpy(bh->b_data + sizeof(struct unallocSpaceEntry), UDF_I_DATA(inode), + inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry)); + crclen = sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) - sizeof(tag); + use->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); use->descTag.descCRCLength = cpu_to_le16(crclen); - use->descTag.descCRC = - cpu_to_le16(udf_crc((char *)use + sizeof(tag), crclen, 0)); + use->descTag.descCRC = cpu_to_le16(udf_crc((char *)use + sizeof(tag), crclen, 0)); use->descTag.tagChecksum = 0; - for (i = 0; i < 16; i++) + for (i = 0; i < 16; i++) { if (i != 4) - use->descTag.tagChecksum += - ((uint8_t *) & (use->descTag))[i]; + use->descTag.tagChecksum += ((uint8_t *)&(use->descTag))[i]; + } mark_buffer_dirty(bh); brelse(bh); @@ -1532,13 +1393,14 @@ static int udf_update_inode(struct inode *inode, int do_sync) else fe->gid = cpu_to_le32(inode->i_gid); - udfperms = ((inode->i_mode & S_IRWXO)) | - ((inode->i_mode & S_IRWXG) << 2) | ((inode->i_mode & S_IRWXU) << 4); + udfperms = ((inode->i_mode & S_IRWXO) ) | + ((inode->i_mode & S_IRWXG) << 2) | + ((inode->i_mode & S_IRWXU) << 4); - udfperms |= (le32_to_cpu(fe->permissions) & - (FE_PERM_O_DELETE | FE_PERM_O_CHATTR | - FE_PERM_G_DELETE | FE_PERM_G_CHATTR | - FE_PERM_U_DELETE | FE_PERM_U_CHATTR)); + udfperms |= (le32_to_cpu(fe->permissions) & + (FE_PERM_O_DELETE | FE_PERM_O_CHATTR | + FE_PERM_G_DELETE | FE_PERM_G_CHATTR | + FE_PERM_U_DELETE | FE_PERM_U_CHATTR)); fe->permissions = cpu_to_le32(udfperms); if (S_ISDIR(inode->i_mode)) @@ -1550,22 +1412,20 @@ static int udf_update_inode(struct inode *inode, int do_sync) if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { regid *eid; - struct deviceSpec *dsea = (struct deviceSpec *) - udf_get_extendedattr(inode, 12, 1); - + struct deviceSpec *dsea = + (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1); if (!dsea) { dsea = (struct deviceSpec *) - udf_add_extendedattr(inode, - sizeof(struct deviceSpec) + - sizeof(regid), 12, 0x3); + udf_add_extendedattr(inode, + sizeof(struct deviceSpec) + + sizeof(regid), 12, 0x3); dsea->attrType = cpu_to_le32(12); dsea->attrSubtype = 1; - dsea->attrLength = - cpu_to_le32(sizeof(struct deviceSpec) + - sizeof(regid)); + dsea->attrLength = cpu_to_le32(sizeof(struct deviceSpec) + + sizeof(regid)); dsea->impUseLength = cpu_to_le32(sizeof(regid)); } - eid = (regid *) dsea->impUse; + eid = (regid *)dsea->impUse; memset(eid, 0, sizeof(regid)); strcpy(eid->ident, UDF_ID_DEVELOPER); eid->identSuffix[0] = UDF_OS_CLASS_UNIX; @@ -1577,10 +1437,9 @@ static int udf_update_inode(struct inode *inode, int do_sync) if (UDF_I_EFE(inode) == 0) { memcpy(bh->b_data + sizeof(struct fileEntry), UDF_I_DATA(inode), inode->i_sb->s_blocksize - sizeof(struct fileEntry)); - fe->logicalBlocksRecorded = - cpu_to_le64((inode->i_blocks + - (1 << (inode->i_sb->s_blocksize_bits - 9)) - - 1) >> (inode->i_sb->s_blocksize_bits - 9)); + fe->logicalBlocksRecorded = cpu_to_le64( + (inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >> + (inode->i_sb->s_blocksize_bits - 9)); if (udf_time_to_stamp(&cpu_time, inode->i_atime)) fe->accessTime = cpu_to_lets(cpu_time); @@ -1598,19 +1457,12 @@ static int udf_update_inode(struct inode *inode, int do_sync) fe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_FE); crclen = sizeof(struct fileEntry); } else { - memcpy(bh->b_data + sizeof(struct extendedFileEntry), - UDF_I_DATA(inode), - inode->i_sb->s_blocksize - - sizeof(struct extendedFileEntry)); + memcpy(bh->b_data + sizeof(struct extendedFileEntry), UDF_I_DATA(inode), + inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry)); efe->objectSize = cpu_to_le64(inode->i_size); - efe->logicalBlocksRecorded = cpu_to_le64((inode->i_blocks + - (1 << - (inode->i_sb-> - s_blocksize_bits - - 9)) - - 1) >> (inode->i_sb-> - s_blocksize_bits - - 9)); + efe->logicalBlocksRecorded = cpu_to_le64( + (inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >> + (inode->i_sb->s_blocksize_bits - 9)); if (UDF_I_CRTIME(inode).tv_sec > inode->i_atime.tv_sec || (UDF_I_CRTIME(inode).tv_sec == inode->i_atime.tv_sec && @@ -1671,13 +1523,13 @@ static int udf_update_inode(struct inode *inode, int do_sync) else if (S_ISSOCK(inode->i_mode)) fe->icbTag.fileType = ICBTAG_FILE_TYPE_SOCKET; - icbflags = UDF_I_ALLOCTYPE(inode) | - ((inode->i_mode & S_ISUID) ? ICBTAG_FLAG_SETUID : 0) | - ((inode->i_mode & S_ISGID) ? ICBTAG_FLAG_SETGID : 0) | - ((inode->i_mode & S_ISVTX) ? ICBTAG_FLAG_STICKY : 0) | - (le16_to_cpu(fe->icbTag.flags) & - ~(ICBTAG_FLAG_AD_MASK | ICBTAG_FLAG_SETUID | - ICBTAG_FLAG_SETGID | ICBTAG_FLAG_STICKY)); + icbflags = UDF_I_ALLOCTYPE(inode) | + ((inode->i_mode & S_ISUID) ? ICBTAG_FLAG_SETUID : 0) | + ((inode->i_mode & S_ISGID) ? ICBTAG_FLAG_SETGID : 0) | + ((inode->i_mode & S_ISVTX) ? ICBTAG_FLAG_STICKY : 0) | + (le16_to_cpu(fe->icbTag.flags) & + ~(ICBTAG_FLAG_AD_MASK | ICBTAG_FLAG_SETUID | + ICBTAG_FLAG_SETGID | ICBTAG_FLAG_STICKY)); fe->icbTag.flags = cpu_to_le16(icbflags); if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200) @@ -1685,18 +1537,16 @@ static int udf_update_inode(struct inode *inode, int do_sync) else fe->descTag.descVersion = cpu_to_le16(2); fe->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb)); - fe->descTag.tagLocation = - cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); + fe->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); crclen += UDF_I_LENEATTR(inode) + UDF_I_LENALLOC(inode) - sizeof(tag); fe->descTag.descCRCLength = cpu_to_le16(crclen); - fe->descTag.descCRC = - cpu_to_le16(udf_crc((char *)fe + sizeof(tag), crclen, 0)); + fe->descTag.descCRC = cpu_to_le16(udf_crc((char *)fe + sizeof(tag), crclen, 0)); fe->descTag.tagChecksum = 0; - for (i = 0; i < 16; i++) + for (i = 0; i < 16; i++) { if (i != 4) - fe->descTag.tagChecksum += - ((uint8_t *) & (fe->descTag))[i]; + fe->descTag.tagChecksum += ((uint8_t *)&(fe->descTag))[i]; + } /* write the data blocks */ mark_buffer_dirty(bh); @@ -1709,6 +1559,7 @@ static int udf_update_inode(struct inode *inode, int do_sync) } } brelse(bh); + return err; } @@ -1729,8 +1580,7 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino) if (is_bad_inode(inode)) goto out_iput; - if (ino.logicalBlockNum >= - UDF_SB_PARTLEN(sb, ino.partitionReferenceNum)) { + if (ino.logicalBlockNum >= UDF_SB_PARTLEN(sb, ino.partitionReferenceNum)) { udf_debug("block=%d, partition=%d out of range\n", ino.logicalBlockNum, ino.partitionReferenceNum); make_bad_inode(inode); @@ -1739,7 +1589,7 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino) return inode; - out_iput: + out_iput: iput(inode); return NULL; } @@ -1755,9 +1605,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, uint8_t *ptr; if (!epos->bh) - ptr = - UDF_I_DATA(inode) + epos->offset - - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); else ptr = epos->bh->b_data + epos->offset; @@ -1774,18 +1622,13 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, int err, loffset; kernel_lb_addr obloc = epos->block; - if (! - (epos->block.logicalBlockNum = - udf_new_block(inode->i_sb, NULL, - obloc.partitionReferenceNum, - obloc.logicalBlockNum, &err))) { + if (!(epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL, + obloc.partitionReferenceNum, + obloc.logicalBlockNum, &err))) { return -1; } - if (! - (nbh = - udf_tgetblk(inode->i_sb, - udf_get_lb_pblock(inode->i_sb, epos->block, - 0)))) { + if (!(nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb, + epos->block, 0)))) { return -1; } lock_buffer(nbh); @@ -1796,8 +1639,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, aed = (struct allocExtDesc *)(nbh->b_data); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) - aed->previousAllocExtLocation = - cpu_to_le32(obloc.logicalBlockNum); + aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum); if (epos->offset + adsize > inode->i_sb->s_blocksize) { loffset = epos->offset; aed->lengthAllocDescs = cpu_to_le32(adsize); @@ -1814,9 +1656,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, if (epos->bh) { aed = (struct allocExtDesc *)epos->bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu - (aed->lengthAllocDescs) + - adsize); + cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } else { UDF_I_LENALLOC(inode) += adsize; mark_inode_dirty(inode); @@ -1830,37 +1670,30 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, epos->block.logicalBlockNum, sizeof(tag)); switch (UDF_I_ALLOCTYPE(inode)) { case ICBTAG_FLAG_AD_SHORT: - { - sad = (short_ad *) sptr; - sad->extLength = - cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | - inode->i_sb->s_blocksize); - sad->extPosition = - cpu_to_le32(epos->block.logicalBlockNum); - break; - } + sad = (short_ad *)sptr; + sad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | + inode->i_sb->s_blocksize); + sad->extPosition = cpu_to_le32(epos->block.logicalBlockNum); + break; case ICBTAG_FLAG_AD_LONG: - { - lad = (long_ad *) sptr; - lad->extLength = - cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | - inode->i_sb->s_blocksize); - lad->extLocation = cpu_to_lelb(epos->block); - memset(lad->impUse, 0x00, sizeof(lad->impUse)); - break; - } + lad = (long_ad *)sptr; + lad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | + inode->i_sb->s_blocksize); + lad->extLocation = cpu_to_lelb(epos->block); + memset(lad->impUse, 0x00, sizeof(lad->impUse)); + break; } if (epos->bh) { - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) - || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) + if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || + UDF_SB_UDFREV(inode->i_sb) >= 0x0201) udf_update_tag(epos->bh->b_data, loffset); else - udf_update_tag(epos->bh->b_data, - sizeof(struct allocExtDesc)); + udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); mark_buffer_dirty_inode(epos->bh, inode); brelse(epos->bh); - } else + } else { mark_inode_dirty(inode); + } epos->bh = nbh; } @@ -1872,14 +1705,11 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, } else { aed = (struct allocExtDesc *)epos->bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) - || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(epos->bh->b_data, - epos->offset + (inc ? 0 : adsize)); + cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); + if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) + udf_update_tag(epos->bh->b_data, epos->offset + (inc ? 0 : adsize)); else - udf_update_tag(epos->bh->b_data, - sizeof(struct allocExtDesc)); + udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); mark_buffer_dirty_inode(epos->bh, inode); } @@ -1891,51 +1721,47 @@ int8_t udf_write_aext(struct inode * inode, struct extent_position * epos, { int adsize; uint8_t *ptr; + short_ad *sad; + long_ad *lad; if (!epos->bh) - ptr = - UDF_I_DATA(inode) + epos->offset - - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); else ptr = epos->bh->b_data + epos->offset; switch (UDF_I_ALLOCTYPE(inode)) { case ICBTAG_FLAG_AD_SHORT: - { - short_ad *sad = (short_ad *) ptr; - sad->extLength = cpu_to_le32(elen); - sad->extPosition = cpu_to_le32(eloc.logicalBlockNum); - adsize = sizeof(short_ad); - break; - } + sad = (short_ad *)ptr; + sad->extLength = cpu_to_le32(elen); + sad->extPosition = cpu_to_le32(eloc.logicalBlockNum); + adsize = sizeof(short_ad); + break; case ICBTAG_FLAG_AD_LONG: - { - long_ad *lad = (long_ad *) ptr; - lad->extLength = cpu_to_le32(elen); - lad->extLocation = cpu_to_lelb(eloc); - memset(lad->impUse, 0x00, sizeof(lad->impUse)); - adsize = sizeof(long_ad); - break; - } + lad = (long_ad *)ptr; + lad->extLength = cpu_to_le32(elen); + lad->extLocation = cpu_to_lelb(eloc); + memset(lad->impUse, 0x00, sizeof(lad->impUse)); + adsize = sizeof(long_ad); + break; default: return -1; } if (epos->bh) { - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) - || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) { - struct allocExtDesc *aed = - (struct allocExtDesc *)epos->bh->b_data; + if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || + UDF_SB_UDFREV(inode->i_sb) >= 0x0201) { + struct allocExtDesc *aed = (struct allocExtDesc *)epos->bh->b_data; udf_update_tag(epos->bh->b_data, - le32_to_cpu(aed->lengthAllocDescs) + - sizeof(struct allocExtDesc)); + le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc)); } mark_buffer_dirty_inode(epos->bh, inode); - } else + } else { mark_inode_dirty(inode); + } if (inc) epos->offset += adsize; + return (elen >> 30); } @@ -1949,14 +1775,9 @@ int8_t udf_next_aext(struct inode * inode, struct extent_position * epos, epos->block = *eloc; epos->offset = sizeof(struct allocExtDesc); brelse(epos->bh); - if (! - (epos->bh = - udf_tread(inode->i_sb, - udf_get_lb_pblock(inode->i_sb, epos->block, - 0)))) { + if (!(epos->bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, epos->block, 0)))) { udf_debug("reading block %d failed!\n", - udf_get_lb_pblock(inode->i_sb, epos->block, - 0)); + udf_get_lb_pblock(inode->i_sb, epos->block, 0)); return -1; } } @@ -1970,75 +1791,49 @@ int8_t udf_current_aext(struct inode * inode, struct extent_position * epos, int alen; int8_t etype; uint8_t *ptr; + short_ad *sad; + long_ad *lad; + if (!epos->bh) { if (!epos->offset) epos->offset = udf_file_entry_alloc_offset(inode); - ptr = - UDF_I_DATA(inode) + epos->offset - - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); - alen = - udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode); + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + alen = udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode); } else { if (!epos->offset) epos->offset = sizeof(struct allocExtDesc); ptr = epos->bh->b_data + epos->offset; - alen = - sizeof(struct allocExtDesc) + - le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)-> - lengthAllocDescs); + alen = sizeof(struct allocExtDesc) + + le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->lengthAllocDescs); } switch (UDF_I_ALLOCTYPE(inode)) { case ICBTAG_FLAG_AD_SHORT: - { - short_ad *sad; - - if (! - (sad = - udf_get_fileshortad(ptr, alen, &epos->offset, - inc))) - return -1; - - etype = le32_to_cpu(sad->extLength) >> 30; - eloc->logicalBlockNum = le32_to_cpu(sad->extPosition); - eloc->partitionReferenceNum = - UDF_I_LOCATION(inode).partitionReferenceNum; - *elen = - le32_to_cpu(sad-> - extLength) & UDF_EXTENT_LENGTH_MASK; - break; - } + if (!(sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc))) + return -1; + etype = le32_to_cpu(sad->extLength) >> 30; + eloc->logicalBlockNum = le32_to_cpu(sad->extPosition); + eloc->partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; + *elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK; + break; case ICBTAG_FLAG_AD_LONG: - { - long_ad *lad; - - if (! - (lad = - udf_get_filelongad(ptr, alen, &epos->offset, inc))) - return -1; - - etype = le32_to_cpu(lad->extLength) >> 30; - *eloc = lelb_to_cpu(lad->extLocation); - *elen = - le32_to_cpu(lad-> - extLength) & UDF_EXTENT_LENGTH_MASK; - break; - } - default: - { - udf_debug("alloc_type = %d unsupported\n", - UDF_I_ALLOCTYPE(inode)); + if (!(lad = udf_get_filelongad(ptr, alen, &epos->offset, inc))) return -1; - } + etype = le32_to_cpu(lad->extLength) >> 30; + *eloc = lelb_to_cpu(lad->extLocation); + *elen = le32_to_cpu(lad->extLength) & UDF_EXTENT_LENGTH_MASK; + break; + default: + udf_debug("alloc_type = %d unsupported\n", UDF_I_ALLOCTYPE(inode)); + return -1; } return etype; } -static int8_t -udf_insert_aext(struct inode *inode, struct extent_position epos, - kernel_lb_addr neloc, uint32_t nelen) +static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos, + kernel_lb_addr neloc, uint32_t nelen) { kernel_lb_addr oeloc; uint32_t oelen; @@ -2049,12 +1844,12 @@ udf_insert_aext(struct inode *inode, struct extent_position epos, while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) { udf_write_aext(inode, &epos, neloc, nelen, 1); - neloc = oeloc; nelen = (etype << 30) | oelen; } udf_add_aext(inode, &epos, neloc, nelen, 1); brelse(epos.bh); + return (nelen >> 30); } @@ -2105,15 +1900,12 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos, } else { aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - - (2 * adsize)); - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) - || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(oepos.bh->b_data, - oepos.offset - (2 * adsize)); + cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - (2 * adsize)); + if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || + UDF_SB_UDFREV(inode->i_sb) >= 0x0201) + udf_update_tag(oepos.bh->b_data, oepos.offset - (2 * adsize)); else - udf_update_tag(oepos.bh->b_data, - sizeof(struct allocExtDesc)); + udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); mark_buffer_dirty_inode(oepos.bh, inode); } } else { @@ -2124,21 +1916,19 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos, } else { aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - - adsize); - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) - || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(oepos.bh->b_data, - epos.offset - adsize); + cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - adsize); + if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || + UDF_SB_UDFREV(inode->i_sb) >= 0x0201) + udf_update_tag(oepos.bh->b_data, epos.offset - adsize); else - udf_update_tag(oepos.bh->b_data, - sizeof(struct allocExtDesc)); + udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); mark_buffer_dirty_inode(oepos.bh, inode); } } brelse(epos.bh); brelse(oepos.bh); + return (elen >> 30); } @@ -2162,8 +1952,7 @@ int8_t inode_bmap(struct inode * inode, sector_t block, do { if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1) { - *offset = - (bcount - lbcount) >> inode->i_sb->s_blocksize_bits; + *offset = (bcount - lbcount) >> inode->i_sb->s_blocksize_bits; UDF_I_LENEXTENTS(inode) = lbcount; return -1; } @@ -2180,13 +1969,12 @@ long udf_block_map(struct inode *inode, sector_t block) kernel_lb_addr eloc; uint32_t elen; sector_t offset; - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; int ret; lock_kernel(); - if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == - (EXT_RECORDED_ALLOCATED >> 30)) + if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) ret = udf_get_lb_pblock(inode->i_sb, eloc, offset); else ret = 0; diff --git a/fs/udf/lowlevel.c b/fs/udf/lowlevel.c index 4826c36..579bae7 100644 --- a/fs/udf/lowlevel.c +++ b/fs/udf/lowlevel.c @@ -43,7 +43,7 @@ unsigned int udf_get_last_session(struct super_block *sb) udf_debug("XA disk: %s, vol_desc_start=%d\n", (ms_info.xa_flag ? "yes" : "no"), ms_info.addr.lba); #if WE_OBEY_THE_WRITTEN_STANDARDS - if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */ + if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */ #endif vol_desc_start = ms_info.addr.lba; } else { @@ -57,7 +57,7 @@ unsigned long udf_get_last_block(struct super_block *sb) struct block_device *bdev = sb->s_bdev; unsigned long lblock = 0; - if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long)&lblock)) + if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock)) lblock = bdev->bd_inode->i_size >> sb->s_blocksize_bits; if (lblock) diff --git a/fs/udf/misc.c b/fs/udf/misc.c index a7f5727..15297de 100644 --- a/fs/udf/misc.c +++ b/fs/udf/misc.c @@ -54,15 +54,15 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, int i; ea = UDF_I_DATA(inode); - if (UDF_I_LENEATTR(inode)) + if (UDF_I_LENEATTR(inode)) { ad = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); - else { + } else { ad = ea; size += sizeof(struct extendedAttrHeaderDesc); } offset = inode->i_sb->s_blocksize - udf_file_entry_alloc_offset(inode) - - UDF_I_LENALLOC(inode); + UDF_I_LENALLOC(inode); /* TODO - Check for FreeEASpace */ @@ -76,56 +76,45 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, if (UDF_I_LENEATTR(inode)) { /* check checksum/crc */ - if (le16_to_cpu(eahd->descTag.tagIdent) != - TAG_IDENT_EAHD - || le32_to_cpu(eahd->descTag.tagLocation) != - UDF_I_LOCATION(inode).logicalBlockNum) { + if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD || + le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum) { return NULL; } } else { size -= sizeof(struct extendedAttrHeaderDesc); - UDF_I_LENEATTR(inode) += - sizeof(struct extendedAttrHeaderDesc); + UDF_I_LENEATTR(inode) += sizeof(struct extendedAttrHeaderDesc); eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD); if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200) eahd->descTag.descVersion = cpu_to_le16(3); else eahd->descTag.descVersion = cpu_to_le16(2); - eahd->descTag.tagSerialNum = - cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb)); - eahd->descTag.tagLocation = - cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); + eahd->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb)); + eahd->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF); eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF); } offset = UDF_I_LENEATTR(inode); if (type < 2048) { - if (le32_to_cpu(eahd->appAttrLocation) < - UDF_I_LENEATTR(inode)) { - uint32_t aal = - le32_to_cpu(eahd->appAttrLocation); - memmove(&ea[offset - aal + size], &ea[aal], - offset - aal); + if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode)) { + uint32_t aal = le32_to_cpu(eahd->appAttrLocation); + memmove(&ea[offset - aal + size], + &ea[aal], offset - aal); offset -= aal; eahd->appAttrLocation = cpu_to_le32(aal + size); } - if (le32_to_cpu(eahd->impAttrLocation) < - UDF_I_LENEATTR(inode)) { - uint32_t ial = - le32_to_cpu(eahd->impAttrLocation); - memmove(&ea[offset - ial + size], &ea[ial], - offset - ial); + if (le32_to_cpu(eahd->impAttrLocation) < UDF_I_LENEATTR(inode)) { + uint32_t ial = le32_to_cpu(eahd->impAttrLocation); + memmove(&ea[offset - ial + size], + &ea[ial], offset - ial); offset -= ial; eahd->impAttrLocation = cpu_to_le32(ial + size); } } else if (type < 65536) { - if (le32_to_cpu(eahd->appAttrLocation) < - UDF_I_LENEATTR(inode)) { - uint32_t aal = - le32_to_cpu(eahd->appAttrLocation); - memmove(&ea[offset - aal + size], &ea[aal], - offset - aal); + if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode)) { + uint32_t aal = le32_to_cpu(eahd->appAttrLocation); + memmove(&ea[offset - aal + size], + &ea[aal], offset - aal); offset -= aal; eahd->appAttrLocation = cpu_to_le32(aal + size); } @@ -133,18 +122,18 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, /* rewrite CRC + checksum of eahd */ crclen = sizeof(struct extendedAttrHeaderDesc) - sizeof(tag); eahd->descTag.descCRCLength = cpu_to_le16(crclen); - eahd->descTag.descCRC = - cpu_to_le16(udf_crc((char *)eahd + sizeof(tag), crclen, 0)); + eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd + + sizeof(tag), crclen, 0)); eahd->descTag.tagChecksum = 0; for (i = 0; i < 16; i++) if (i != 4) - eahd->descTag.tagChecksum += - ((uint8_t *) & (eahd->descTag))[i]; + eahd->descTag.tagChecksum += ((uint8_t *)&(eahd->descTag))[i]; UDF_I_LENEATTR(inode) += size; return (struct genericFormat *)&ea[offset]; } if (loc & 0x02) { } + return NULL; } @@ -163,8 +152,7 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type, /* check checksum/crc */ if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD || - le32_to_cpu(eahd->descTag.tagLocation) != - UDF_I_LOCATION(inode).logicalBlockNum) { + le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum) { return NULL; } @@ -177,13 +165,13 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type, while (offset < UDF_I_LENEATTR(inode)) { gaf = (struct genericFormat *)&ea[offset]; - if (le32_to_cpu(gaf->attrType) == type - && gaf->attrSubtype == subtype) + if (le32_to_cpu(gaf->attrType) == type && gaf->attrSubtype == subtype) return gaf; else offset += le32_to_cpu(gaf->attrLength); } } + return NULL; } @@ -216,23 +204,22 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block, return NULL; } - tag_p = (tag *) (bh->b_data); + tag_p = (tag *)(bh->b_data); *ident = le16_to_cpu(tag_p->tagIdent); if (location != le32_to_cpu(tag_p->tagLocation)) { udf_debug("location mismatch block %u, tag %u != %u\n", - block + UDF_SB_SESSION(sb), - le32_to_cpu(tag_p->tagLocation), location); + block + UDF_SB_SESSION(sb), le32_to_cpu(tag_p->tagLocation), location); goto error_out; } /* Verify the tag checksum */ checksum = 0U; for (i = 0; i < 4; i++) - checksum += (uint8_t) (bh->b_data[i]); + checksum += (uint8_t)(bh->b_data[i]); for (i = 5; i < 16; i++) - checksum += (uint8_t) (bh->b_data[i]); + checksum += (uint8_t)(bh->b_data[i]); if (checksum != tag_p->tagChecksum) { printk(KERN_ERR "udf: tag checksum failed block %d\n", block); goto error_out; @@ -249,16 +236,14 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block, /* Verify the descriptor CRC */ if (le16_to_cpu(tag_p->descCRCLength) + sizeof(tag) > sb->s_blocksize || le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag), - le16_to_cpu(tag_p-> - descCRCLength), - 0)) { + le16_to_cpu(tag_p->descCRCLength), 0)) { return bh; } udf_debug("Crc failure block %d: crc = %d, crclen = %d\n", block + UDF_SB_SESSION(sb), le16_to_cpu(tag_p->descCRC), le16_to_cpu(tag_p->descCRCLength)); - error_out: +error_out: brelse(bh); return NULL; } @@ -272,7 +257,7 @@ struct buffer_head *udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc, void udf_update_tag(char *data, int length) { - tag *tptr = (tag *) data; + tag *tptr = (tag *)data; int i; length -= sizeof(tag); @@ -283,13 +268,13 @@ void udf_update_tag(char *data, int length) for (i = 0; i < 16; i++) if (i != 4) - tptr->tagChecksum += (uint8_t) (data[i]); + tptr->tagChecksum += (uint8_t)(data[i]); } void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum, uint32_t loc, int length) { - tag *tptr = (tag *) data; + tag *tptr = (tag *)data; tptr->tagIdent = cpu_to_le16(ident); tptr->descVersion = cpu_to_le16(version); tptr->tagSerialNum = cpu_to_le16(snum); diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 334d363..bec96a6 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -37,6 +37,7 @@ static inline int udf_match(int len1, const char *name1, int len2, { if (len1 != len2) return 0; + return !memcmp(name1, name2, len1); } @@ -52,7 +53,7 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, uint16_t liu = le16_to_cpu(cfi->lengthOfImpUse); uint8_t lfi = cfi->lengthFileIdent; int padlen = fibh->eoffset - fibh->soffset - liu - lfi - - sizeof(struct fileIdentDesc); + sizeof(struct fileIdentDesc); int adinicb = 0; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) @@ -61,85 +62,75 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, offset = fibh->soffset + sizeof(struct fileIdentDesc); if (impuse) { - if (adinicb || (offset + liu < 0)) - memcpy((uint8_t *) sfi->impUse, impuse, liu); - else if (offset >= 0) + if (adinicb || (offset + liu < 0)) { + memcpy((uint8_t *)sfi->impUse, impuse, liu); + } else if (offset >= 0) { memcpy(fibh->ebh->b_data + offset, impuse, liu); - else { - memcpy((uint8_t *) sfi->impUse, impuse, -offset); - memcpy(fibh->ebh->b_data, impuse - offset, - liu + offset); + } else { + memcpy((uint8_t *)sfi->impUse, impuse, -offset); + memcpy(fibh->ebh->b_data, impuse - offset, liu + offset); } } offset += liu; if (fileident) { - if (adinicb || (offset + lfi < 0)) - memcpy((uint8_t *) sfi->fileIdent + liu, fileident, - lfi); - else if (offset >= 0) + if (adinicb || (offset + lfi < 0)) { + memcpy((uint8_t *)sfi->fileIdent + liu, fileident, lfi); + } else if (offset >= 0) { memcpy(fibh->ebh->b_data + offset, fileident, lfi); - else { - memcpy((uint8_t *) sfi->fileIdent + liu, fileident, - -offset); - memcpy(fibh->ebh->b_data, fileident - offset, - lfi + offset); + } else { + memcpy((uint8_t *)sfi->fileIdent + liu, fileident, -offset); + memcpy(fibh->ebh->b_data, fileident - offset, lfi + offset); } } offset += lfi; - if (adinicb || (offset + padlen < 0)) - memset((uint8_t *) sfi->padding + liu + lfi, 0x00, padlen); - else if (offset >= 0) + if (adinicb || (offset + padlen < 0)) { + memset((uint8_t *)sfi->padding + liu + lfi, 0x00, padlen); + } else if (offset >= 0) { memset(fibh->ebh->b_data + offset, 0x00, padlen); - else { - memset((uint8_t *) sfi->padding + liu + lfi, 0x00, -offset); + } else { + memset((uint8_t *)sfi->padding + liu + lfi, 0x00, -offset); memset(fibh->ebh->b_data, 0x00, padlen + offset); } - crc = - udf_crc((uint8_t *) cfi + sizeof(tag), - sizeof(struct fileIdentDesc) - sizeof(tag), 0); - - if (fibh->sbh == fibh->ebh) - crc = udf_crc((uint8_t *) sfi->impUse, - crclen + sizeof(tag) - - sizeof(struct fileIdentDesc), crc); - else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) - crc = - udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + - fibh->soffset, - crclen + sizeof(tag) - sizeof(struct fileIdentDesc), - crc); - else { - crc = udf_crc((uint8_t *) sfi->impUse, - -fibh->soffset - sizeof(struct fileIdentDesc), - crc); + crc = udf_crc((uint8_t *)cfi + sizeof(tag), + sizeof(struct fileIdentDesc) - sizeof(tag), 0); + + if (fibh->sbh == fibh->ebh) { + crc = udf_crc((uint8_t *)sfi->impUse, + crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc); + } else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) { + crc = udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + fibh->soffset, + crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc); + } else { + crc = udf_crc((uint8_t *)sfi->impUse, + -fibh->soffset - sizeof(struct fileIdentDesc), crc); crc = udf_crc(fibh->ebh->b_data, fibh->eoffset, crc); } cfi->descTag.descCRC = cpu_to_le16(crc); cfi->descTag.descCRCLength = cpu_to_le16(crclen); - for (i = 0; i < 16; i++) + for (i = 0; i < 16; i++) { if (i != 4) - checksum += ((uint8_t *) & cfi->descTag)[i]; + checksum += ((uint8_t *)&cfi->descTag)[i]; + } cfi->descTag.tagChecksum = checksum; - if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) - memcpy((uint8_t *) sfi, (uint8_t *) cfi, - sizeof(struct fileIdentDesc)); - else { - memcpy((uint8_t *) sfi, (uint8_t *) cfi, -fibh->soffset); - memcpy(fibh->ebh->b_data, (uint8_t *) cfi - fibh->soffset, + if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) { + memcpy((uint8_t *)sfi, (uint8_t *)cfi, sizeof(struct fileIdentDesc)); + } else { + memcpy((uint8_t *)sfi, (uint8_t *)cfi, -fibh->soffset); + memcpy(fibh->ebh->b_data, (uint8_t *)cfi - fibh->soffset, sizeof(struct fileIdentDesc) + fibh->soffset); } - if (adinicb) + if (adinicb) { mark_inode_dirty(inode); - else { + } else { if (fibh->sbh != fibh->ebh) mark_buffer_dirty_inode(fibh->ebh, inode); mark_buffer_dirty_inode(fibh->sbh, inode); @@ -163,26 +154,25 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, kernel_lb_addr eloc; uint32_t elen; sector_t offset; - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; size = (udf_ext0_offset(dir) + dir->i_size) >> 2; f_pos = (udf_ext0_offset(dir) >> 2); - fibh->soffset = fibh->eoffset = - (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; - if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) + fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; + if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { fibh->sbh = fibh->ebh = NULL; - else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &epos, &eloc, &elen, - &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { + } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) epos.offset -= sizeof(long_ad); - } else + } else { offset = 0; + } if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { brelse(epos.bh); @@ -196,7 +186,6 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, while ((f_pos < size)) { fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset); - if (!fi) { if (fibh->sbh != fibh->ebh) brelse(fibh->ebh); @@ -213,20 +202,14 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, } else { int poffset; /* Unpaded ending offset */ - poffset = - fibh->soffset + sizeof(struct fileIdentDesc) + liu + - lfi; + poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi; - if (poffset >= lfi) - nameptr = - (uint8_t *) (fibh->ebh->b_data + poffset - - lfi); - else { + if (poffset >= lfi) { + nameptr = (uint8_t *)(fibh->ebh->b_data + poffset - lfi); + } else { nameptr = fname; - memcpy(nameptr, fi->fileIdent + liu, - lfi - poffset); - memcpy(nameptr + lfi - poffset, - fibh->ebh->b_data, poffset); + memcpy(nameptr, fi->fileIdent + liu, lfi - poffset); + memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset); } } @@ -244,18 +227,18 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, continue; if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi))) { - if (udf_match - (flen, fname, dentry->d_name.len, - dentry->d_name.name)) { + if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { brelse(epos.bh); return fi; } } } + if (fibh->sbh != fibh->ebh) brelse(fibh->ebh); brelse(fibh->sbh); brelse(epos.bh); + return NULL; } @@ -306,15 +289,19 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, #ifdef UDF_RECOVERY /* temporary shorthand for specifying files by inode number */ if (!strncmp(dentry->d_name.name, ".B=", 3)) { - kernel_lb_addr lb = - { 0, simple_strtoul(dentry->d_name.name + 3, NULL, 0) }; + kernel_lb_addr lb = { + .logicalBlockNum = 0, + .partitionReferenceNum = simple_strtoul(dentry->d_name.name + 3, + NULL, 0), + }; inode = udf_iget(dir->i_sb, lb); if (!inode) { unlock_kernel(); return ERR_PTR(-EACCES); } - } else -#endif /* UDF_RECOVERY */ + } + else +#endif /* UDF_RECOVERY */ if (udf_find_entry(dir, dentry, &fibh, &cfi)) { if (fibh.sbh != fibh.ebh) @@ -329,6 +316,7 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, } unlock_kernel(); d_add(dentry, inode); + return NULL; } @@ -352,7 +340,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, kernel_lb_addr eloc; uint32_t elen; sector_t offset; - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; sb = dir->i_sb; @@ -361,36 +349,33 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, *err = -EINVAL; return NULL; } - - if (! - (namelen = - udf_put_filename(sb, dentry->d_name.name, name, - dentry->d_name.len))) { + if (!(namelen = udf_put_filename(sb, dentry->d_name.name, name, + dentry->d_name.len))) { *err = -ENAMETOOLONG; return NULL; } - } else + } else { namelen = 0; + } nfidlen = (sizeof(struct fileIdentDesc) + namelen + 3) & ~3; f_pos = (udf_ext0_offset(dir) >> 2); - fibh->soffset = fibh->eoffset = - (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; - if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) + fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; + if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { fibh->sbh = fibh->ebh = NULL; - else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &epos, &eloc, &elen, - &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { + } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) epos.offset -= sizeof(long_ad); - } else + } else { offset = 0; + } if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { brelse(epos.bh); @@ -423,40 +408,33 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, liu = le16_to_cpu(cfi->lengthOfImpUse); lfi = cfi->lengthFileIdent; - if (fibh->sbh == fibh->ebh) + if (fibh->sbh == fibh->ebh) { nameptr = fi->fileIdent + liu; - else { + } else { int poffset; /* Unpaded ending offset */ - poffset = - fibh->soffset + sizeof(struct fileIdentDesc) + liu + - lfi; + poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi; - if (poffset >= lfi) - nameptr = - (char *)(fibh->ebh->b_data + poffset - lfi); - else { + if (poffset >= lfi) { + nameptr = (char *)(fibh->ebh->b_data + poffset - lfi); + } else { nameptr = fname; - memcpy(nameptr, fi->fileIdent + liu, - lfi - poffset); - memcpy(nameptr + lfi - poffset, - fibh->ebh->b_data, poffset); + memcpy(nameptr, fi->fileIdent + liu, lfi - poffset); + memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset); } } if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) { - if (((sizeof(struct fileIdentDesc) + liu + lfi + - 3) & ~3) == nfidlen) { + if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen) { brelse(epos.bh); cfi->descTag.tagSerialNum = cpu_to_le16(1); cfi->fileVersionNum = cpu_to_le16(1); cfi->fileCharacteristics = 0; cfi->lengthFileIdent = namelen; cfi->lengthOfImpUse = cpu_to_le16(0); - if (!udf_write_fi - (dir, cfi, fi, fibh, NULL, name)) + if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) { return fi; - else { + } else { *err = -EIO; return NULL; } @@ -467,8 +445,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, continue; if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)) && - udf_match(flen, fname, dentry->d_name.len, - dentry->d_name.name)) { + udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { if (fibh->sbh != fibh->ebh) brelse(fibh->ebh); brelse(fibh->sbh); @@ -478,7 +455,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, } } - add: +add: f_pos += nfidlen; if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB && @@ -491,14 +468,11 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, if (fibh->sbh != fibh->ebh) brelse(fibh->ebh); brelse(fibh->sbh); - if (! - (fibh->sbh = fibh->ebh = - udf_expand_dir_adinicb(dir, &block, err))) + if (!(fibh->sbh = fibh->ebh = udf_expand_dir_adinicb(dir, &block, err))) return NULL; epos.block = UDF_I_LOCATION(dir); eloc.logicalBlockNum = block; - eloc.partitionReferenceNum = - UDF_I_LOCATION(dir).partitionReferenceNum; + eloc.partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum; elen = dir->i_sb->s_blocksize; epos.offset = udf_file_entry_alloc_offset(dir); if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) @@ -517,16 +491,13 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { block = UDF_I_LOCATION(dir).logicalBlockNum; - fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + - fibh->soffset - + fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + fibh->soffset - udf_ext0_offset(dir) + UDF_I_LENEATTR(dir)); } else { block = eloc.logicalBlockNum + ((elen - 1) >> - dir->i_sb-> - s_blocksize_bits); - fi = (struct fileIdentDesc *)(fibh->sbh->b_data + - fibh->soffset); + dir->i_sb->s_blocksize_bits); + fi = (struct fileIdentDesc *)(fibh->sbh->b_data + fibh->soffset); } } else { fibh->soffset = fibh->eoffset - sb->s_blocksize; @@ -538,42 +509,36 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, block = eloc.logicalBlockNum + ((elen - 1) >> dir->i_sb->s_blocksize_bits); - - if (! - (fibh->ebh = - udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - 1, err))) { + fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err); + if (!fibh->ebh) { brelse(epos.bh); brelse(fibh->sbh); return NULL; } - if (!(fibh->soffset)) { + if (!fibh->soffset) { if (udf_next_aext(dir, &epos, &eloc, &elen, 1) == (EXT_RECORDED_ALLOCATED >> 30)) { block = eloc.logicalBlockNum + ((elen - 1) >> - dir->i_sb-> - s_blocksize_bits); - } else + dir->i_sb->s_blocksize_bits); + } else { block++; + } brelse(fibh->sbh); fibh->sbh = fibh->ebh; fi = (struct fileIdentDesc *)(fibh->sbh->b_data); } else { fi = (struct fileIdentDesc *) - (fibh->sbh->b_data + sb->s_blocksize + - fibh->soffset); + (fibh->sbh->b_data + sb->s_blocksize + fibh->soffset); } } memset(cfi, 0, sizeof(struct fileIdentDesc)); if (UDF_SB_UDFREV(sb) >= 0x0200) - udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, - sizeof(tag)); + udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, sizeof(tag)); else - udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, - sizeof(tag)); + udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, sizeof(tag)); cfi->fileVersionNum = cpu_to_le16(1); cfi->lengthFileIdent = namelen; cfi->lengthOfImpUse = cpu_to_le16(0); @@ -599,8 +564,10 @@ static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi, struct fileIdentDesc *cfi) { cfi->fileCharacteristics |= FID_FILE_CHAR_DELETED; + if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) memset(&(cfi->icb), 0x00, sizeof(long_ad)); + return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL); } @@ -637,8 +604,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, } cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { mark_inode_dirty(dir); @@ -648,6 +615,7 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, brelse(fibh.sbh); unlock_kernel(); d_instantiate(dentry, inode); + return 0; } @@ -679,8 +647,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode, } cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { mark_inode_dirty(dir); @@ -692,7 +660,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode, brelse(fibh.sbh); d_instantiate(dentry, inode); err = 0; - out: + +out: unlock_kernel(); return err; } @@ -725,10 +694,9 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode) inode->i_nlink = 2; cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(dir)); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL); - cfi.fileCharacteristics = - FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT; + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL); + cfi.fileCharacteristics = FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT; udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL); brelse(fibh.sbh); inode->i_mode = S_IFDIR | mode; @@ -744,8 +712,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode) } cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY; udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); inc_nlink(dir); @@ -755,7 +723,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode) brelse(fibh.ebh); brelse(fibh.sbh); err = 0; - out: + +out: unlock_kernel(); return err; } @@ -770,26 +739,25 @@ static int empty_dir(struct inode *dir) kernel_lb_addr eloc; uint32_t elen; sector_t offset; - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; f_pos = (udf_ext0_offset(dir) >> 2); - fibh.soffset = fibh.eoffset = - (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; + fibh.soffset = fibh.eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; - if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) + if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { fibh.sbh = fibh.ebh = NULL; - else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &epos, &eloc, &elen, - &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { + } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) epos.offset -= sizeof(long_ad); - } else + } else { offset = 0; + } if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { brelse(epos.bh); @@ -803,7 +771,6 @@ static int empty_dir(struct inode *dir) while ((f_pos < size)) { fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); - if (!fi) { if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); @@ -812,8 +779,8 @@ static int empty_dir(struct inode *dir) return 0; } - if (cfi.lengthFileIdent - && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) { + if (cfi.lengthFileIdent && + (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) { if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); @@ -821,10 +788,12 @@ static int empty_dir(struct inode *dir) return 0; } } + if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); brelse(epos.bh); + return 1; } @@ -859,15 +828,15 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry) clear_nlink(inode); inode->i_size = 0; inode_dec_link_count(dir); - inode->i_ctime = dir->i_ctime = dir->i_mtime = - current_fs_time(dir->i_sb); + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); mark_inode_dirty(dir); - end_rmdir: +end_rmdir: if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); - out: + +out: unlock_kernel(); return retval; } @@ -906,11 +875,12 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry) inode->i_ctime = dir->i_ctime; retval = 0; - end_unlink: +end_unlink: if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); - out: + +out: unlock_kernel(); return retval; } @@ -922,7 +892,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, struct pathComponent *pc; char *compstart; struct udf_fileident_bh fibh; - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; int eoffset, elen = 0; struct fileIdentDesc *fi; struct fileIdentDesc cfi; @@ -945,26 +915,22 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, uint32_t elen; block = udf_new_block(inode->i_sb, inode, - UDF_I_LOCATION(inode). - partitionReferenceNum, - UDF_I_LOCATION(inode).logicalBlockNum, - &err); + UDF_I_LOCATION(inode).partitionReferenceNum, + UDF_I_LOCATION(inode).logicalBlockNum, &err); if (!block) goto out_no_entry; epos.block = UDF_I_LOCATION(inode); epos.offset = udf_file_entry_alloc_offset(inode); epos.bh = NULL; eloc.logicalBlockNum = block; - eloc.partitionReferenceNum = - UDF_I_LOCATION(inode).partitionReferenceNum; + eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; elen = inode->i_sb->s_blocksize; UDF_I_LENEXTENTS(inode) = elen; udf_add_aext(inode, &epos, eloc, elen, 0); brelse(epos.bh); block = udf_get_pblock(inode->i_sb, block, - UDF_I_LOCATION(inode). - partitionReferenceNum, 0); + UDF_I_LOCATION(inode).partitionReferenceNum, 0); epos.bh = udf_tread(inode->i_sb, block); lock_buffer(epos.bh); memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize); @@ -972,8 +938,9 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, unlock_buffer(epos.bh); mark_buffer_dirty_inode(epos.bh, inode); ea = epos.bh->b_data + udf_ext0_offset(inode); - } else + } else { ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); + } eoffset = inode->i_sb->s_blocksize - udf_ext0_offset(inode); pc = (struct pathComponent *)ea; @@ -1010,20 +977,17 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, if (compstart[0] == '.') { if ((symname - compstart) == 1) pc->componentType = 4; - else if ((symname - compstart) == 2 - && compstart[1] == '.') + else if ((symname - compstart) == 2 && compstart[1] == '.') pc->componentType = 3; } if (pc->componentType == 5) { - if (! - (namelen = - udf_put_filename(inode->i_sb, compstart, name, - symname - compstart))) + namelen = udf_put_filename(inode->i_sb, compstart, name, + symname - compstart); + if (!namelen) goto out_no_entry; - if (elen + sizeof(struct pathComponent) + namelen > - eoffset) + if (elen + sizeof(struct pathComponent) + namelen > eoffset) goto out_no_entry; else pc->lengthComponentIdent = namelen; @@ -1053,12 +1017,10 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, if (UDF_SB_LVIDBH(inode->i_sb)) { struct logicalVolHeaderDesc *lvhd; uint64_t uniqueID; - lvhd = - (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)-> - logicalVolContentsUse); + lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse); uniqueID = le64_to_cpu(lvhd->uniqueID); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); if (!(++uniqueID & 0x00000000FFFFFFFFUL)) uniqueID += 16; lvhd->uniqueID = cpu_to_le64(uniqueID); @@ -1074,11 +1036,11 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, d_instantiate(dentry, inode); err = 0; - out: +out: unlock_kernel(); return err; - out_no_entry: +out_no_entry: inode_dec_link_count(inode); iput(inode); goto out; @@ -1107,12 +1069,10 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, if (UDF_SB_LVIDBH(inode->i_sb)) { struct logicalVolHeaderDesc *lvhd; uint64_t uniqueID; - lvhd = - (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)-> - logicalVolContentsUse); + lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse); uniqueID = le64_to_cpu(lvhd->uniqueID); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); if (!(++uniqueID & 0x00000000FFFFFFFFUL)) uniqueID += 16; lvhd->uniqueID = cpu_to_le64(uniqueID); @@ -1122,6 +1082,7 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { mark_inode_dirty(dir); } + if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); @@ -1131,6 +1092,7 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, atomic_inc(&inode->i_count); d_instantiate(dentry, inode); unlock_kernel(); + return 0; } @@ -1143,8 +1105,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *old_inode = old_dentry->d_inode; struct inode *new_inode = new_dentry->d_inode; struct udf_fileident_bh ofibh, nfibh; - struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = - NULL, ocfi, ncfi; + struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = NULL, ocfi, ncfi; struct buffer_head *dir_bh = NULL; int retval = -ENOENT; kernel_lb_addr tloc; @@ -1181,36 +1142,27 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) { dir_fi = udf_get_fileident(UDF_I_DATA(old_inode) - (UDF_I_EFE(old_inode) ? - sizeof(struct - extendedFileEntry) : + sizeof(struct extendedFileEntry) : sizeof(struct fileEntry)), - old_inode->i_sb->s_blocksize, - &offset); + old_inode->i_sb->s_blocksize, &offset); } else { dir_bh = udf_bread(old_inode, 0, 0, &retval); if (!dir_bh) goto end_rename; - dir_fi = - udf_get_fileident(dir_bh->b_data, - old_inode->i_sb->s_blocksize, - &offset); + dir_fi = udf_get_fileident(dir_bh->b_data, old_inode->i_sb->s_blocksize, &offset); } if (!dir_fi) goto end_rename; tloc = lelb_to_cpu(dir_fi->icb.extLocation); - if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) - != old_dir->i_ino) + if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) != old_dir->i_ino) goto end_rename; retval = -EMLINK; - if (!new_inode - && new_dir->i_nlink >= - (256 << sizeof(new_dir->i_nlink)) - 1) + if (!new_inode && new_dir->i_nlink >= (256 << sizeof(new_dir->i_nlink)) - 1) goto end_rename; } if (!nfi) { - nfi = - udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval); + nfi = udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval); if (!nfi) goto end_rename; } @@ -1244,13 +1196,12 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, if (dir_fi) { dir_fi->icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(new_dir)); udf_update_tag((char *)dir_fi, (sizeof(struct fileIdentDesc) + - le16_to_cpu(dir_fi-> - lengthOfImpUse) + - 3) & ~3); + le16_to_cpu(dir_fi->lengthOfImpUse) + 3) & ~3); if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) { mark_inode_dirty(old_inode); - } else + } else { mark_buffer_dirty_inode(dir_bh, old_inode); + } inode_dec_link_count(old_dir); if (new_inode) { inode_dec_link_count(new_inode); @@ -1268,7 +1219,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, retval = 0; - end_rename: +end_rename: brelse(dir_bh); if (nfi) { if (nfibh.sbh != nfibh.ebh) @@ -1276,17 +1227,18 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, brelse(nfibh.sbh); } unlock_kernel(); + return retval; } const struct inode_operations udf_dir_inode_operations = { - .lookup = udf_lookup, - .create = udf_create, - .link = udf_link, - .unlink = udf_unlink, - .symlink = udf_symlink, - .mkdir = udf_mkdir, - .rmdir = udf_rmdir, - .mknod = udf_mknod, - .rename = udf_rename, + .lookup = udf_lookup, + .create = udf_create, + .link = udf_link, + .unlink = udf_unlink, + .symlink = udf_symlink, + .mkdir = udf_mkdir, + .rmdir = udf_rmdir, + .mknod = udf_mknod, + .rename = udf_rename, }; diff --git a/fs/udf/osta_udf.h b/fs/udf/osta_udf.h index bec5d34..65ff479 100644 --- a/fs/udf/osta_udf.h +++ b/fs/udf/osta_udf.h @@ -66,64 +66,64 @@ #define IS_DF_SOFT_WRITE_PROTECT 0x02 struct UDFIdentSuffix { - __le16 UDFRevision; - uint8_t OSClass; - uint8_t OSIdentifier; - uint8_t reserved[4]; + __le16 UDFRevision; + uint8_t OSClass; + uint8_t OSIdentifier; + uint8_t reserved[4]; } __attribute__ ((packed)); struct impIdentSuffix { - uint8_t OSClass; - uint8_t OSIdentifier; - uint8_t reserved[6]; + uint8_t OSClass; + uint8_t OSIdentifier; + uint8_t reserved[6]; } __attribute__ ((packed)); struct appIdentSuffix { - uint8_t impUse[8]; + uint8_t impUse[8]; } __attribute__ ((packed)); /* Logical Volume Integrity Descriptor (UDF 2.50 2.2.6) */ /* Implementation Use (UDF 2.50 2.2.6.4) */ struct logicalVolIntegrityDescImpUse { - regid impIdent; - __le32 numFiles; - __le32 numDirs; - __le16 minUDFReadRev; - __le16 minUDFWriteRev; - __le16 maxUDFWriteRev; - uint8_t impUse[0]; + regid impIdent; + __le32 numFiles; + __le32 numDirs; + __le16 minUDFReadRev; + __le16 minUDFWriteRev; + __le16 maxUDFWriteRev; + uint8_t impUse[0]; } __attribute__ ((packed)); /* Implementation Use Volume Descriptor (UDF 2.50 2.2.7) */ /* Implementation Use (UDF 2.50 2.2.7.2) */ struct impUseVolDescImpUse { - charspec LVICharset; - dstring logicalVolIdent[128]; - dstring LVInfo1[36]; - dstring LVInfo2[36]; - dstring LVInfo3[36]; - regid impIdent; - uint8_t impUse[128]; + charspec LVICharset; + dstring logicalVolIdent[128]; + dstring LVInfo1[36]; + dstring LVInfo2[36]; + dstring LVInfo3[36]; + regid impIdent; + uint8_t impUse[128]; } __attribute__ ((packed)); struct udfPartitionMap2 { - uint8_t partitionMapType; - uint8_t partitionMapLength; - uint8_t reserved1[2]; - regid partIdent; - __le16 volSeqNum; - __le16 partitionNum; + uint8_t partitionMapType; + uint8_t partitionMapLength; + uint8_t reserved1[2]; + regid partIdent; + __le16 volSeqNum; + __le16 partitionNum; } __attribute__ ((packed)); /* Virtual Partition Map (UDF 2.50 2.2.8) */ struct virtualPartitionMap { - uint8_t partitionMapType; - uint8_t partitionMapLength; - uint8_t reserved1[2]; - regid partIdent; - __le16 volSeqNum; - __le16 partitionNum; - uint8_t reserved2[24]; + uint8_t partitionMapType; + uint8_t partitionMapLength; + uint8_t reserved1[2]; + regid partIdent; + __le16 volSeqNum; + __le16 partitionNum; + uint8_t reserved2[24]; } __attribute__ ((packed)); /* Sparable Partition Map (UDF 2.50 2.2.9) */ @@ -143,62 +143,62 @@ struct sparablePartitionMap { /* Metadata Partition Map (UDF 2.4.0 2.2.10) */ struct metadataPartitionMap { - uint8_t partitionMapType; - uint8_t partitionMapLength; - uint8_t reserved1[2]; - regid partIdent; - __le16 volSeqNum; - __le16 partitionNum; - __le32 metadataFileLoc; - __le32 metadataMirrorFileLoc; - __le32 metadataBitmapFileLoc; - __le32 allocUnitSize; - __le16 alignUnitSize; - uint8_t flags; - uint8_t reserved2[5]; + uint8_t partitionMapType; + uint8_t partitionMapLength; + uint8_t reserved1[2]; + regid partIdent; + __le16 volSeqNum; + __le16 partitionNum; + __le32 metadataFileLoc; + __le32 metadataMirrorFileLoc; + __le32 metadataBitmapFileLoc; + __le32 allocUnitSize; + __le16 alignUnitSize; + uint8_t flags; + uint8_t reserved2[5]; } __attribute__ ((packed)); /* Virtual Allocation Table (UDF 1.5 2.2.10) */ struct virtualAllocationTable15 { - __le32 VirtualSector[0]; - regid vatIdent; - __le32 previousVATICBLoc; + __le32 VirtualSector[0]; + regid vatIdent; + __le32 previousVATICBLoc; } __attribute__ ((packed)); #define ICBTAG_FILE_TYPE_VAT15 0x00U /* Virtual Allocation Table (UDF 2.50 2.2.11) */ struct virtualAllocationTable20 { - __le16 lengthHeader; - __le16 lengthImpUse; - dstring logicalVolIdent[128]; - __le32 previousVATICBLoc; - __le32 numFiles; - __le32 numDirs; - __le16 minReadRevision; - __le16 minWriteRevision; - __le16 maxWriteRevision; - __le16 reserved; - uint8_t impUse[0]; - __le32 vatEntry[0]; + __le16 lengthHeader; + __le16 lengthImpUse; + dstring logicalVolIdent[128]; + __le32 previousVATICBLoc; + __le32 numFiles; + __le32 numDirs; + __le16 minReadRevision; + __le16 minWriteRevision; + __le16 maxWriteRevision; + __le16 reserved; + uint8_t impUse[0]; + __le32 vatEntry[0]; } __attribute__ ((packed)); #define ICBTAG_FILE_TYPE_VAT20 0xF8U /* Sparing Table (UDF 2.50 2.2.12) */ struct sparingEntry { - __le32 origLocation; - __le32 mappedLocation; + __le32 origLocation; + __le32 mappedLocation; } __attribute__ ((packed)); struct sparingTable { - tag descTag; - regid sparingIdent; - __le16 reallocationTableLen; - __le16 reserved; - __le32 sequenceNum; + tag descTag; + regid sparingIdent; + __le16 reallocationTableLen; + __le16 reserved; + __le32 sequenceNum; struct sparingEntry - mapEntry[0]; + mapEntry[0]; } __attribute__ ((packed)); /* Metadata File (and Metadata Mirror File) (UDF 2.50 2.2.13.1) */ @@ -208,8 +208,8 @@ struct sparingTable { /* struct long_ad ICB - ADImpUse (UDF 2.50 2.2.4.3) */ struct allocDescImpUse { - __le16 flags; - uint8_t impUse[4]; + __le16 flags; + uint8_t impUse[4]; } __attribute__ ((packed)); #define AD_IU_EXT_ERASED 0x0001 @@ -220,23 +220,23 @@ struct allocDescImpUse { /* Implementation Use Extended Attribute (UDF 2.50 3.3.4.5) */ /* FreeEASpace (UDF 2.50 3.3.4.5.1.1) */ struct freeEaSpace { - __le16 headerChecksum; - uint8_t freeEASpace[0]; + __le16 headerChecksum; + uint8_t freeEASpace[0]; } __attribute__ ((packed)); /* DVD Copyright Management Information (UDF 2.50 3.3.4.5.1.2) */ struct DVDCopyrightImpUse { - __le16 headerChecksum; - uint8_t CGMSInfo; - uint8_t dataType; - uint8_t protectionSystemInfo[4]; + __le16 headerChecksum; + uint8_t CGMSInfo; + uint8_t dataType; + uint8_t protectionSystemInfo[4]; } __attribute__ ((packed)); /* Application Use Extended Attribute (UDF 2.50 3.3.4.6) */ /* FreeAppEASpace (UDF 2.50 3.3.4.6.1) */ struct freeAppEASpace { - __le16 headerChecksum; - uint8_t freeEASpace[0]; + __le16 headerChecksum; + uint8_t freeEASpace[0]; } __attribute__ ((packed)); /* UDF Defined System Stream (UDF 2.50 3.3.7) */ @@ -276,4 +276,4 @@ struct freeAppEASpace { #define UDF_OS_ID_BEOS 0x00U #define UDF_OS_ID_WINCE 0x00U -#endif /* _OSTA_UDF_H */ +#endif /* _OSTA_UDF_H */ diff --git a/fs/udf/partition.c b/fs/udf/partition.c index a95d830..aaab24c 100644 --- a/fs/udf/partition.c +++ b/fs/udf/partition.c @@ -14,7 +14,7 @@ * * HISTORY * - * 12/06/98 blf Created file. + * 12/06/98 blf Created file. * */ @@ -32,19 +32,17 @@ inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset) { if (partition >= UDF_SB_NUMPARTS(sb)) { - udf_debug - ("block=%d, partition=%d, offset=%d: invalid partition\n", - block, partition, offset); + udf_debug("block=%d, partition=%d, offset=%d: invalid partition\n", + block, partition, offset); return 0xFFFFFFFF; } if (UDF_SB_PARTFUNC(sb, partition)) - return UDF_SB_PARTFUNC(sb, partition) (sb, block, partition, - offset); + return UDF_SB_PARTFUNC(sb, partition)(sb, block, partition, offset); else return UDF_SB_PARTROOT(sb, partition) + block + offset; } -uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, +uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset) { struct buffer_head *bh = NULL; @@ -52,14 +50,11 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, uint32_t index; uint32_t loc; - index = - (sb->s_blocksize - - UDF_SB_TYPEVIRT(sb, partition).s_start_offset) / sizeof(uint32_t); + index = (sb->s_blocksize - UDF_SB_TYPEVIRT(sb,partition).s_start_offset) / sizeof(uint32_t); - if (block > UDF_SB_TYPEVIRT(sb, partition).s_num_entries) { - udf_debug - ("Trying to access block beyond end of VAT (%d max %d)\n", - block, UDF_SB_TYPEVIRT(sb, partition).s_num_entries); + if (block > UDF_SB_TYPEVIRT(sb,partition).s_num_entries) { + udf_debug("Trying to access block beyond end of VAT (%d max %d)\n", + block, UDF_SB_TYPEVIRT(sb,partition).s_num_entries); return 0xFFFFFFFF; } @@ -69,10 +64,7 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, index = block % (sb->s_blocksize / sizeof(uint32_t)); } else { newblock = 0; - index = - UDF_SB_TYPEVIRT(sb, - partition).s_start_offset / - sizeof(uint32_t) + block; + index = UDF_SB_TYPEVIRT(sb,partition).s_start_offset / sizeof(uint32_t) + block; } loc = udf_block_map(UDF_SB_VAT(sb), newblock); @@ -83,7 +75,7 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, return 0xFFFFFFFF; } - loc = le32_to_cpu(((__le32 *) bh->b_data)[index]); + loc = le32_to_cpu(((__le32 *)bh->b_data)[index]); brelse(bh); @@ -93,8 +85,8 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, } return udf_get_pblock(sb, loc, - UDF_I_LOCATION(UDF_SB_VAT(sb)). - partitionReferenceNum, offset); + UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum, + offset); } inline uint32_t udf_get_pblock_virt20(struct super_block * sb, uint32_t block, @@ -108,40 +100,29 @@ uint32_t udf_get_pblock_spar15(struct super_block * sb, uint32_t block, { int i; struct sparingTable *st = NULL; - uint32_t packet = - (block + offset) & ~(UDF_SB_TYPESPAR(sb, partition).s_packet_len - - 1); + uint32_t packet = (block + offset) & ~(UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1); for (i = 0; i < 4; i++) { - if (UDF_SB_TYPESPAR(sb, partition).s_spar_map[i] != NULL) { - st = (struct sparingTable *)UDF_SB_TYPESPAR(sb, - partition). - s_spar_map[i]->b_data; + if (UDF_SB_TYPESPAR(sb,partition).s_spar_map[i] != NULL) { + st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,partition).s_spar_map[i]->b_data; break; } } if (st) { for (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) { - if (le32_to_cpu(st->mapEntry[i].origLocation) >= - 0xFFFFFFF0) + if (le32_to_cpu(st->mapEntry[i].origLocation) >= 0xFFFFFFF0) { break; - else if (le32_to_cpu(st->mapEntry[i].origLocation) == - packet) { - return le32_to_cpu(st->mapEntry[i]. - mappedLocation) + ((block + - offset) & - (UDF_SB_TYPESPAR - (sb, - partition). - s_packet_len - - 1)); - } else if (le32_to_cpu(st->mapEntry[i].origLocation) > - packet) + } else if (le32_to_cpu(st->mapEntry[i].origLocation) == packet) { + return le32_to_cpu(st->mapEntry[i].mappedLocation) + + ((block + offset) & (UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1)); + } else if (le32_to_cpu(st->mapEntry[i].origLocation) > packet) { break; + } } } - return UDF_SB_PARTROOT(sb, partition) + block + offset; + + return UDF_SB_PARTROOT(sb,partition) + block + offset; } int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block) @@ -153,20 +134,14 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block) int i, j, k, l; for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) { - if (old_block > UDF_SB_PARTROOT(sb, i) && - old_block < UDF_SB_PARTROOT(sb, i) + UDF_SB_PARTLEN(sb, i)) - { - sdata = &UDF_SB_TYPESPAR(sb, i); - packet = - (old_block - - UDF_SB_PARTROOT(sb, - i)) & ~(sdata->s_packet_len - 1); + if (old_block > UDF_SB_PARTROOT(sb,i) && + old_block < UDF_SB_PARTROOT(sb,i) + UDF_SB_PARTLEN(sb,i)) { + sdata = &UDF_SB_TYPESPAR(sb,i); + packet = (old_block - UDF_SB_PARTROOT(sb,i)) & ~(sdata->s_packet_len - 1); for (j = 0; j < 4; j++) { - if (UDF_SB_TYPESPAR(sb, i).s_spar_map[j] != - NULL) { - st = (struct sparingTable *)sdata-> - s_spar_map[j]->b_data; + if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) { + st = (struct sparingTable *)sdata->s_spar_map[j]->b_data; break; } } @@ -174,122 +149,51 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block) if (!st) return 1; - for (k = 0; k < le16_to_cpu(st->reallocationTableLen); - k++) { - if (le32_to_cpu(st->mapEntry[k].origLocation) == - 0xFFFFFFFF) { + for (k = 0; k < le16_to_cpu(st->reallocationTableLen); k++) { + if (le32_to_cpu(st->mapEntry[k].origLocation) == 0xFFFFFFFF) { for (; j < 4; j++) { if (sdata->s_spar_map[j]) { - st = (struct - sparingTable *) - sdata-> - s_spar_map[j]-> - b_data; - st->mapEntry[k]. - origLocation = - cpu_to_le32(packet); - udf_update_tag((char *) - st, - sizeof - (struct - sparingTable) - + - le16_to_cpu - (st-> - reallocationTableLen) - * - sizeof - (struct - sparingEntry)); - mark_buffer_dirty - (sdata-> - s_spar_map[j]); + st = (struct sparingTable *)sdata->s_spar_map[j]->b_data; + st->mapEntry[k].origLocation = cpu_to_le32(packet); + udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry)); + mark_buffer_dirty(sdata->s_spar_map[j]); } } - *new_block = - le32_to_cpu(st->mapEntry[k]. - mappedLocation) + - ((old_block - - UDF_SB_PARTROOT(sb, - i)) & (sdata-> - s_packet_len - - 1)); + *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) + + ((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1)); return 0; - } else - if (le32_to_cpu - (st->mapEntry[k].origLocation) == - packet) { - *new_block = - le32_to_cpu(st->mapEntry[k]. - mappedLocation) + - ((old_block - - UDF_SB_PARTROOT(sb, - i)) & (sdata-> - s_packet_len - - 1)); + } else if (le32_to_cpu(st->mapEntry[k].origLocation) == packet) { + *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) + + ((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1)); return 0; - } else - if (le32_to_cpu - (st->mapEntry[k].origLocation) > packet) + } else if (le32_to_cpu(st->mapEntry[k].origLocation) > packet) { break; + } } - for (l = k; l < le16_to_cpu(st->reallocationTableLen); - l++) { - if (le32_to_cpu(st->mapEntry[l].origLocation) == - 0xFFFFFFFF) { + + for (l = k; l < le16_to_cpu(st->reallocationTableLen); l++) { + if (le32_to_cpu(st->mapEntry[l].origLocation) == 0xFFFFFFFF) { for (; j < 4; j++) { if (sdata->s_spar_map[j]) { - st = (struct - sparingTable *) - sdata-> - s_spar_map[j]-> - b_data; - mapEntry = - st->mapEntry[l]; - mapEntry.origLocation = - cpu_to_le32(packet); - memmove(&st-> - mapEntry[k + 1], - &st-> - mapEntry[k], - (l - - k) * - sizeof(struct - sparingEntry)); - st->mapEntry[k] = - mapEntry; - udf_update_tag((char *) - st, - sizeof - (struct - sparingTable) - + - le16_to_cpu - (st-> - reallocationTableLen) - * - sizeof - (struct - sparingEntry)); - mark_buffer_dirty - (sdata-> - s_spar_map[j]); + st = (struct sparingTable *)sdata->s_spar_map[j]->b_data; + mapEntry = st->mapEntry[l]; + mapEntry.origLocation = cpu_to_le32(packet); + memmove(&st->mapEntry[k + 1], &st->mapEntry[k], (l - k) * sizeof(struct sparingEntry)); + st->mapEntry[k] = mapEntry; + udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry)); + mark_buffer_dirty(sdata->s_spar_map[j]); } } - *new_block = - le32_to_cpu(st->mapEntry[k]. - mappedLocation) + - ((old_block - - UDF_SB_PARTROOT(sb, - i)) & (sdata-> - s_packet_len - - 1)); + *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) + + ((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1)); return 0; } } + return 1; - } + } /* if old_block */ } + if (i == UDF_SB_NUMPARTS(sb)) { /* outside of partitions */ /* for now, fail =) */ diff --git a/fs/udf/super.c b/fs/udf/super.c index 72097ee..7b30964 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -104,11 +104,11 @@ static int udf_get_sb(struct file_system_type *fs_type, } static struct file_system_type udf_fstype = { - .owner = THIS_MODULE, - .name = "udf", - .get_sb = udf_get_sb, - .kill_sb = kill_block_super, - .fs_flags = FS_REQUIRES_DEV, + .owner = THIS_MODULE, + .name = "udf", + .get_sb = udf_get_sb, + .kill_sb = kill_block_super, + .fs_flags = FS_REQUIRES_DEV, }; static struct kmem_cache *udf_inode_cachep; @@ -116,8 +116,7 @@ static struct kmem_cache *udf_inode_cachep; static struct inode *udf_alloc_inode(struct super_block *sb) { struct udf_inode_info *ei; - ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, - GFP_KERNEL); + ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, GFP_KERNEL); if (!ei) return NULL; @@ -150,7 +149,7 @@ static int init_inodecache(void) 0, (SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD), init_once); - if (udf_inode_cachep == NULL) + if (!udf_inode_cachep) return -ENOMEM; return 0; } @@ -162,15 +161,15 @@ static void destroy_inodecache(void) /* Superblock operations */ static const struct super_operations udf_sb_ops = { - .alloc_inode = udf_alloc_inode, - .destroy_inode = udf_destroy_inode, - .write_inode = udf_write_inode, - .delete_inode = udf_delete_inode, - .clear_inode = udf_clear_inode, - .put_super = udf_put_super, - .write_super = udf_write_super, - .statfs = udf_statfs, - .remount_fs = udf_remount_fs, + .alloc_inode = udf_alloc_inode, + .destroy_inode = udf_destroy_inode, + .write_inode = udf_write_inode, + .delete_inode = udf_delete_inode, + .clear_inode = udf_clear_inode, + .put_super = udf_put_super, + .write_super = udf_write_super, + .statfs = udf_statfs, + .remount_fs = udf_remount_fs, }; struct udf_options { @@ -193,16 +192,20 @@ struct udf_options { static int __init init_udf_fs(void) { int err; + err = init_inodecache(); if (err) goto out1; err = register_filesystem(&udf_fstype); if (err) goto out; + return 0; - out: + +out: destroy_inodecache(); - out1: + +out1: return err; } @@ -213,7 +216,7 @@ static void __exit exit_udf_fs(void) } module_init(init_udf_fs) - module_exit(exit_udf_fs) +module_exit(exit_udf_fs) /* * udf_parse_options @@ -239,7 +242,7 @@ module_init(init_udf_fs) * * The remaining are for debugging and disaster recovery: * - * novrs Skip volume sequence recognition + * novrs Skip volume sequence recognition * * The following expect a offset from 0. * @@ -268,6 +271,7 @@ module_init(init_udf_fs) * July 1, 1997 - Andrew E. Mileski * Written, tested, and released. */ + enum { Opt_novrs, Opt_nostrict, Opt_bs, Opt_unhide, Opt_undelete, Opt_noadinicb, Opt_adinicb, Opt_shortad, Opt_longad, @@ -278,32 +282,32 @@ enum { }; static match_table_t tokens = { - {Opt_novrs, "novrs"}, - {Opt_nostrict, "nostrict"}, - {Opt_bs, "bs=%u"}, - {Opt_unhide, "unhide"}, - {Opt_undelete, "undelete"}, - {Opt_noadinicb, "noadinicb"}, - {Opt_adinicb, "adinicb"}, - {Opt_shortad, "shortad"}, - {Opt_longad, "longad"}, - {Opt_uforget, "uid=forget"}, - {Opt_uignore, "uid=ignore"}, - {Opt_gforget, "gid=forget"}, - {Opt_gignore, "gid=ignore"}, - {Opt_gid, "gid=%u"}, - {Opt_uid, "uid=%u"}, - {Opt_umask, "umask=%o"}, - {Opt_session, "session=%u"}, - {Opt_lastblock, "lastblock=%u"}, - {Opt_anchor, "anchor=%u"}, - {Opt_volume, "volume=%u"}, - {Opt_partition, "partition=%u"}, - {Opt_fileset, "fileset=%u"}, - {Opt_rootdir, "rootdir=%u"}, - {Opt_utf8, "utf8"}, - {Opt_iocharset, "iocharset=%s"}, - {Opt_err, NULL} + {Opt_novrs, "novrs"}, + {Opt_nostrict, "nostrict"}, + {Opt_bs, "bs=%u"}, + {Opt_unhide, "unhide"}, + {Opt_undelete, "undelete"}, + {Opt_noadinicb, "noadinicb"}, + {Opt_adinicb, "adinicb"}, + {Opt_shortad, "shortad"}, + {Opt_longad, "longad"}, + {Opt_uforget, "uid=forget"}, + {Opt_uignore, "uid=ignore"}, + {Opt_gforget, "gid=forget"}, + {Opt_gignore, "gid=ignore"}, + {Opt_gid, "gid=%u"}, + {Opt_uid, "uid=%u"}, + {Opt_umask, "umask=%o"}, + {Opt_session, "session=%u"}, + {Opt_lastblock, "lastblock=%u"}, + {Opt_anchor, "anchor=%u"}, + {Opt_volume, "volume=%u"}, + {Opt_partition, "partition=%u"}, + {Opt_fileset, "fileset=%u"}, + {Opt_rootdir, "rootdir=%u"}, + {Opt_utf8, "utf8"}, + {Opt_iocharset, "iocharset=%s"}, + {Opt_err, NULL} }; static int udf_parse_options(char *options, struct udf_options *uopt) @@ -444,9 +448,11 @@ static int udf_parse_options(char *options, struct udf_options *uopt) void udf_write_super(struct super_block *sb) { lock_kernel(); + if (!(sb->s_flags & MS_RDONLY)) udf_open_lvid(sb); sb->s_dirt = 0; + unlock_kernel(); } @@ -455,16 +461,16 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options) struct udf_options uopt; uopt.flags = UDF_SB(sb)->s_flags; - uopt.uid = UDF_SB(sb)->s_uid; - uopt.gid = UDF_SB(sb)->s_gid; + uopt.uid = UDF_SB(sb)->s_uid; + uopt.gid = UDF_SB(sb)->s_gid; uopt.umask = UDF_SB(sb)->s_umask; if (!udf_parse_options(options, &uopt)) return -EINVAL; UDF_SB(sb)->s_flags = uopt.flags; - UDF_SB(sb)->s_uid = uopt.uid; - UDF_SB(sb)->s_gid = uopt.gid; + UDF_SB(sb)->s_uid = uopt.uid; + UDF_SB(sb)->s_gid = uopt.gid; UDF_SB(sb)->s_umask = uopt.umask; if (UDF_SB_LVIDBH(sb)) { @@ -517,6 +523,7 @@ static int udf_set_blocksize(struct super_block *sb, int bsize) printk(KERN_ERR "udf: bad block size (%d)\n", bsize); return 0; } + return sb->s_blocksize; } @@ -552,15 +559,12 @@ static int udf_vrs(struct super_block *sb, int silent) /* Look for ISO descriptors */ vsd = (struct volStructDesc *)(bh->b_data + - (sector & - (sb->s_blocksize - 1))); + (sector & (sb->s_blocksize - 1))); if (vsd->stdIdent[0] == 0) { brelse(bh); break; - } else - if (!strncmp - (vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) { + } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) { iso9660 = sector; switch (vsd->structType) { case 0: @@ -587,21 +591,13 @@ static int udf_vrs(struct super_block *sb, int silent) vsd->structType); break; } - } else - if (!strncmp - (vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) { - } else - if (!strncmp - (vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) { + } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) { + } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) { brelse(bh); break; - } else - if (!strncmp - (vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) { + } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) { nsr02 = sector; - } else - if (!strncmp - (vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) { + } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) { nsr03 = sector; } brelse(bh); @@ -644,11 +640,10 @@ static void udf_find_anchor(struct super_block *sb) if (lastblock) { int varlastblock = udf_variable_to_fixed(lastblock); - int last[] = { lastblock, lastblock - 2, - lastblock - 150, lastblock - 152, - varlastblock, varlastblock - 2, - varlastblock - 150, varlastblock - 152 - }; + int last[] = { lastblock, lastblock - 2, + lastblock - 150, lastblock - 152, + varlastblock, varlastblock - 2, + varlastblock - 150, varlastblock - 152 }; lastblock = 0; @@ -664,88 +659,54 @@ static void udf_find_anchor(struct super_block *sb) if (last[i] < 0 || !(bh = sb_bread(sb, last[i]))) { ident = location = 0; } else { - ident = - le16_to_cpu(((tag *) bh->b_data)->tagIdent); - location = - le32_to_cpu(((tag *) bh->b_data)-> - tagLocation); + ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); + location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); brelse(bh); } if (ident == TAG_IDENT_AVDP) { if (location == last[i] - UDF_SB_SESSION(sb)) { - lastblock = UDF_SB_ANCHOR(sb)[0] = - last[i] - UDF_SB_SESSION(sb); - UDF_SB_ANCHOR(sb)[1] = - last[i] - 256 - UDF_SB_SESSION(sb); - } else if (location == - udf_variable_to_fixed(last[i]) - - UDF_SB_SESSION(sb)) { + lastblock = UDF_SB_ANCHOR(sb)[0] = last[i] - UDF_SB_SESSION(sb); + UDF_SB_ANCHOR(sb)[1] = last[i] - 256 - UDF_SB_SESSION(sb); + } else if (location == udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb)) { UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); - lastblock = UDF_SB_ANCHOR(sb)[0] = - udf_variable_to_fixed(last[i]) - - UDF_SB_SESSION(sb); - UDF_SB_ANCHOR(sb)[1] = - lastblock - 256 - - UDF_SB_SESSION(sb); - } else - udf_debug - ("Anchor found at block %d, location mismatch %d.\n", - last[i], location); - } else if (ident == TAG_IDENT_FE - || ident == TAG_IDENT_EFE) { + lastblock = UDF_SB_ANCHOR(sb)[0] = udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb); + UDF_SB_ANCHOR(sb)[1] = lastblock - 256 - UDF_SB_SESSION(sb); + } else { + udf_debug("Anchor found at block %d, location mismatch %d.\n", + last[i], location); + } + } else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE) { lastblock = last[i]; UDF_SB_ANCHOR(sb)[3] = 512; } else { - if (last[i] < 256 - || !(bh = sb_bread(sb, last[i] - 256))) { + if (last[i] < 256 || !(bh = sb_bread(sb, last[i] - 256))) { ident = location = 0; } else { - ident = - le16_to_cpu(((tag *) bh->b_data)-> - tagIdent); - location = - le32_to_cpu(((tag *) bh->b_data)-> - tagLocation); + ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); + location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); brelse(bh); } if (ident == TAG_IDENT_AVDP && - location == - last[i] - 256 - UDF_SB_SESSION(sb)) { + location == last[i] - 256 - UDF_SB_SESSION(sb)) { lastblock = last[i]; UDF_SB_ANCHOR(sb)[1] = last[i] - 256; } else { - if (last[i] < 312 + UDF_SB_SESSION(sb) - || !(bh = - sb_bread(sb, - last[i] - 312 - - UDF_SB_SESSION(sb)))) - { + if (last[i] < 312 + UDF_SB_SESSION(sb) || + !(bh = sb_bread(sb, last[i] - 312 - UDF_SB_SESSION(sb)))) { ident = location = 0; } else { - ident = - le16_to_cpu(((tag *) bh-> - b_data)-> - tagIdent); - location = - le32_to_cpu(((tag *) bh-> - b_data)-> - tagLocation); + ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); + location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); brelse(bh); } if (ident == TAG_IDENT_AVDP && - location == - udf_variable_to_fixed(last[i]) - - 256) { - UDF_SET_FLAG(sb, - UDF_FLAG_VARCONV); - lastblock = - udf_variable_to_fixed(last - [i]); - UDF_SB_ANCHOR(sb)[1] = - lastblock - 256; + location == udf_variable_to_fixed(last[i]) - 256) { + UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); + lastblock = udf_variable_to_fixed(last[i]); + UDF_SB_ANCHOR(sb)[1] = lastblock - 256; } } } @@ -755,9 +716,8 @@ static void udf_find_anchor(struct super_block *sb) if (!lastblock) { /* We havn't found the lastblock. check 312 */ if ((bh = sb_bread(sb, 312 + UDF_SB_SESSION(sb)))) { - ident = le16_to_cpu(((tag *) bh->b_data)->tagIdent); - location = - le32_to_cpu(((tag *) bh->b_data)->tagLocation); + ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); + location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); brelse(bh); if (ident == TAG_IDENT_AVDP && location == 256) @@ -767,19 +727,13 @@ static void udf_find_anchor(struct super_block *sb) for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) { if (UDF_SB_ANCHOR(sb)[i]) { - if (!(bh = udf_read_tagged(sb, - UDF_SB_ANCHOR(sb)[i], - UDF_SB_ANCHOR(sb)[i], - &ident))) { + if (!(bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i], + UDF_SB_ANCHOR(sb)[i], &ident))) { UDF_SB_ANCHOR(sb)[i] = 0; } else { brelse(bh); - if ((ident != TAG_IDENT_AVDP) && (i || - (ident != - TAG_IDENT_FE - && ident != - TAG_IDENT_EFE))) - { + if ((ident != TAG_IDENT_AVDP) && + (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) { UDF_SB_ANCHOR(sb)[i] = 0; } } @@ -789,9 +743,7 @@ static void udf_find_anchor(struct super_block *sb) UDF_SB_LASTBLOCK(sb) = lastblock; } -static int -udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset, - kernel_lb_addr * root) +static int udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr *root) { struct buffer_head *bh = NULL; long lastblock; @@ -801,18 +753,19 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset, fileset->partitionReferenceNum != 0xFFFF) { bh = udf_read_ptagged(sb, *fileset, 0, &ident); - if (!bh) + if (!bh) { return 1; - else if (ident != TAG_IDENT_FSD) { + } else if (ident != TAG_IDENT_FSD) { brelse(bh); return 1; } } - if (!bh) { /* Search backwards through the partitions */ + if (!bh) { /* Search backwards through the partitions */ kernel_lb_addr newfileset; +/* --> cvg: FIXME - is it reasonable? */ return 1; for (newfileset.partitionReferenceNum = UDF_SB_NUMPARTS(sb) - 1; @@ -820,14 +773,11 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset, fileset->logicalBlockNum == 0xFFFFFFFF && fileset->partitionReferenceNum == 0xFFFF); newfileset.partitionReferenceNum--) { - lastblock = - UDF_SB_PARTLEN(sb, - newfileset.partitionReferenceNum); + lastblock = UDF_SB_PARTLEN(sb, newfileset.partitionReferenceNum); newfileset.logicalBlockNum = 0; do { - bh = udf_read_ptagged(sb, newfileset, 0, - &ident); + bh = udf_read_ptagged(sb, newfileset, 0, &ident); if (!bh) { newfileset.logicalBlockNum++; continue; @@ -835,38 +785,28 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset, switch (ident) { case TAG_IDENT_SBD: - { - struct spaceBitmapDesc *sp; - sp = (struct spaceBitmapDesc *) - bh->b_data; - newfileset.logicalBlockNum += - 1 + - ((le32_to_cpu - (sp->numOfBytes) + - sizeof(struct - spaceBitmapDesc) - - 1) - >> sb->s_blocksize_bits); - brelse(bh); - break; - } + { + struct spaceBitmapDesc *sp; + sp = (struct spaceBitmapDesc *)bh->b_data; + newfileset.logicalBlockNum += 1 + + ((le32_to_cpu(sp->numOfBytes) + + sizeof(struct spaceBitmapDesc) - 1) + >> sb->s_blocksize_bits); + brelse(bh); + break; + } case TAG_IDENT_FSD: - { - *fileset = newfileset; - break; - } + *fileset = newfileset; + break; default: - { - newfileset.logicalBlockNum++; - brelse(bh); - bh = NULL; - break; - } + newfileset.logicalBlockNum++; + brelse(bh); + bh = NULL; + break; } - } - while (newfileset.logicalBlockNum < lastblock && - fileset->logicalBlockNum == 0xFFFFFFFF && - fileset->partitionReferenceNum == 0xFFFF); + } while (newfileset.logicalBlockNum < lastblock && + fileset->logicalBlockNum == 0xFFFFFFFF && + fileset->partitionReferenceNum == 0xFFFF); } } @@ -898,10 +838,10 @@ static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh) lets_to_cpu(pvoldesc->recordingDateAndTime))) { kernel_timestamp ts; ts = lets_to_cpu(pvoldesc->recordingDateAndTime); - udf_debug - ("recording time %ld/%ld, %04u/%02u/%02u %02u:%02u (%x)\n", - recording, recording_usec, ts.year, ts.month, ts.day, - ts.hour, ts.minute, ts.typeAndTimezone); + udf_debug("recording time %ld/%ld, %04u/%02u/%02u %02u:%02u (%x)\n", + recording, recording_usec, + ts.year, ts.month, ts.day, ts.hour, + ts.minute, ts.typeAndTimezone); UDF_SB_RECORDTIME(sb).tv_sec = recording; UDF_SB_RECORDTIME(sb).tv_nsec = recording_usec * 1000; } @@ -920,9 +860,8 @@ static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh) } } -static void -udf_load_fileset(struct super_block *sb, struct buffer_head *bh, - kernel_lb_addr * root) +static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh, + kernel_lb_addr *root) { struct fileSetDesc *fset; @@ -945,121 +884,72 @@ static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) { udf_debug("Searching map: (%d == %d)\n", - UDF_SB_PARTMAPS(sb)[i].s_partition_num, - le16_to_cpu(p->partitionNumber)); - if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == - le16_to_cpu(p->partitionNumber)) { - UDF_SB_PARTLEN(sb, i) = le32_to_cpu(p->partitionLength); /* blocks */ - UDF_SB_PARTROOT(sb, i) = - le32_to_cpu(p->partitionStartingLocation); - if (le32_to_cpu(p->accessType) == - PD_ACCESS_TYPE_READ_ONLY) - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_READ_ONLY; - if (le32_to_cpu(p->accessType) == - PD_ACCESS_TYPE_WRITE_ONCE) - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_WRITE_ONCE; - if (le32_to_cpu(p->accessType) == - PD_ACCESS_TYPE_REWRITABLE) - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_REWRITABLE; - if (le32_to_cpu(p->accessType) == - PD_ACCESS_TYPE_OVERWRITABLE) - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_OVERWRITABLE; - - if (!strcmp - (p->partitionContents.ident, - PD_PARTITION_CONTENTS_NSR02) - || !strcmp(p->partitionContents.ident, - PD_PARTITION_CONTENTS_NSR03)) { + UDF_SB_PARTMAPS(sb)[i].s_partition_num, le16_to_cpu(p->partitionNumber)); + if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == le16_to_cpu(p->partitionNumber)) { + UDF_SB_PARTLEN(sb,i) = le32_to_cpu(p->partitionLength); /* blocks */ + UDF_SB_PARTROOT(sb,i) = le32_to_cpu(p->partitionStartingLocation); + if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_READ_ONLY) + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_READ_ONLY; + if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_WRITE_ONCE) + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_WRITE_ONCE; + if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_REWRITABLE) + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_REWRITABLE; + if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_OVERWRITABLE) + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_OVERWRITABLE; + + if (!strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR02) || + !strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03)) { struct partitionHeaderDesc *phd; - phd = - (struct partitionHeaderDesc *)(p-> - partitionContentsUse); + phd = (struct partitionHeaderDesc *)(p->partitionContentsUse); if (phd->unallocSpaceTable.extLength) { - kernel_lb_addr loc = - { le32_to_cpu(phd-> - unallocSpaceTable. - extPosition), i }; - - UDF_SB_PARTMAPS(sb)[i].s_uspace. - s_table = udf_iget(sb, loc); - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_UNALLOC_TABLE; - udf_debug - ("unallocSpaceTable (part %d) @ %ld\n", - i, - UDF_SB_PARTMAPS(sb)[i].s_uspace. - s_table->i_ino); + kernel_lb_addr loc = { + .logicalBlockNum = le32_to_cpu(phd->unallocSpaceTable.extPosition), + .partitionReferenceNum = i, + }; + + UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table = + udf_iget(sb, loc); + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_TABLE; + udf_debug("unallocSpaceTable (part %d) @ %ld\n", + i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table->i_ino); } if (phd->unallocSpaceBitmap.extLength) { UDF_SB_ALLOC_BITMAP(sb, i, s_uspace); - if (UDF_SB_PARTMAPS(sb)[i].s_uspace. - s_bitmap != NULL) { - UDF_SB_PARTMAPS(sb)[i].s_uspace. - s_bitmap->s_extLength = - le32_to_cpu(phd-> - unallocSpaceBitmap. - extLength); - UDF_SB_PARTMAPS(sb)[i].s_uspace. - s_bitmap->s_extPosition = - le32_to_cpu(phd-> - unallocSpaceBitmap. - extPosition); - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_UNALLOC_BITMAP; - udf_debug - ("unallocSpaceBitmap (part %d) @ %d\n", - i, - UDF_SB_PARTMAPS(sb)[i]. - s_uspace.s_bitmap-> - s_extPosition); + if (UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap != NULL) { + UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extLength = + le32_to_cpu(phd->unallocSpaceBitmap.extLength); + UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition = + le32_to_cpu(phd->unallocSpaceBitmap.extPosition); + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_BITMAP; + udf_debug("unallocSpaceBitmap (part %d) @ %d\n", + i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition); } } if (phd->partitionIntegrityTable.extLength) - udf_debug - ("partitionIntegrityTable (part %d)\n", - i); + udf_debug("partitionIntegrityTable (part %d)\n", i); if (phd->freedSpaceTable.extLength) { - kernel_lb_addr loc = - { le32_to_cpu(phd->freedSpaceTable. - extPosition), i }; - - UDF_SB_PARTMAPS(sb)[i].s_fspace. - s_table = udf_iget(sb, loc); - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_FREED_TABLE; - udf_debug - ("freedSpaceTable (part %d) @ %ld\n", - i, - UDF_SB_PARTMAPS(sb)[i].s_fspace. - s_table->i_ino); + kernel_lb_addr loc = { + .logicalBlockNum = le32_to_cpu(phd->freedSpaceTable.extPosition), + .partitionReferenceNum = i, + }; + + UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table = + udf_iget(sb, loc); + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_TABLE; + udf_debug("freedSpaceTable (part %d) @ %ld\n", + i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table->i_ino); } if (phd->freedSpaceBitmap.extLength) { UDF_SB_ALLOC_BITMAP(sb, i, s_fspace); - if (UDF_SB_PARTMAPS(sb)[i].s_fspace. - s_bitmap != NULL) { - UDF_SB_PARTMAPS(sb)[i].s_fspace. - s_bitmap->s_extLength = - le32_to_cpu(phd-> - freedSpaceBitmap. - extLength); - UDF_SB_PARTMAPS(sb)[i].s_fspace. - s_bitmap->s_extPosition = - le32_to_cpu(phd-> - freedSpaceBitmap. - extPosition); - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_FREED_BITMAP; - udf_debug - ("freedSpaceBitmap (part %d) @ %d\n", - i, - UDF_SB_PARTMAPS(sb)[i]. - s_fspace.s_bitmap-> - s_extPosition); + if (UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap != NULL) { + UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extLength = + le32_to_cpu(phd->freedSpaceBitmap.extLength); + UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition = + le32_to_cpu(phd->freedSpaceBitmap.extPosition); + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_BITMAP; + udf_debug("freedSpaceBitmap (part %d) @ %d\n", + i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition); } } } @@ -1070,16 +960,14 @@ static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) udf_debug("Partition (%d) not found in partition map\n", le16_to_cpu(p->partitionNumber)); } else { - udf_debug - ("Partition (%d:%d type %x) starts at physical %d, block length %d\n", - le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb, i), - UDF_SB_PARTROOT(sb, i), UDF_SB_PARTLEN(sb, i)); + udf_debug("Partition (%d:%d type %x) starts at physical %d, block length %d\n", + le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb,i), + UDF_SB_PARTROOT(sb,i), UDF_SB_PARTLEN(sb,i)); } } -static int -udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh, - kernel_lb_addr * fileset) +static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh, + kernel_lb_addr *fileset) { struct logicalVolDesc *lvd; int i, j, offset; @@ -1090,116 +978,69 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh, UDF_SB_ALLOC_PARTMAPS(sb, le32_to_cpu(lvd->numPartitionMaps)); for (i = 0, offset = 0; - i < UDF_SB_NUMPARTS(sb) - && offset < le32_to_cpu(lvd->mapTableLength); - i++, offset += - ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))-> - partitionMapLength) { - type = - ((struct genericPartitionMap *) - &(lvd->partitionMaps[offset]))->partitionMapType; + i < UDF_SB_NUMPARTS(sb) && offset < le32_to_cpu(lvd->mapTableLength); + i++, offset += ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapLength) { + type = ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapType; if (type == 1) { - struct genericPartitionMap1 *gpm1 = - (struct genericPartitionMap1 *)&(lvd-> - partitionMaps - [offset]); - UDF_SB_PARTTYPE(sb, i) = UDF_TYPE1_MAP15; - UDF_SB_PARTVSN(sb, i) = le16_to_cpu(gpm1->volSeqNum); - UDF_SB_PARTNUM(sb, i) = le16_to_cpu(gpm1->partitionNum); - UDF_SB_PARTFUNC(sb, i) = NULL; + struct genericPartitionMap1 *gpm1 = (struct genericPartitionMap1 *)&(lvd->partitionMaps[offset]); + UDF_SB_PARTTYPE(sb,i) = UDF_TYPE1_MAP15; + UDF_SB_PARTVSN(sb,i) = le16_to_cpu(gpm1->volSeqNum); + UDF_SB_PARTNUM(sb,i) = le16_to_cpu(gpm1->partitionNum); + UDF_SB_PARTFUNC(sb,i) = NULL; } else if (type == 2) { - struct udfPartitionMap2 *upm2 = - (struct udfPartitionMap2 *)&(lvd-> - partitionMaps[offset]); - if (!strncmp - (upm2->partIdent.ident, UDF_ID_VIRTUAL, - strlen(UDF_ID_VIRTUAL))) { - if (le16_to_cpu - (((__le16 *) upm2->partIdent. - identSuffix)[0]) == 0x0150) { - UDF_SB_PARTTYPE(sb, i) = - UDF_VIRTUAL_MAP15; - UDF_SB_PARTFUNC(sb, i) = - udf_get_pblock_virt15; - } else - if (le16_to_cpu - (((__le16 *) upm2->partIdent. - identSuffix)[0]) == 0x0200) { - UDF_SB_PARTTYPE(sb, i) = - UDF_VIRTUAL_MAP20; - UDF_SB_PARTFUNC(sb, i) = - udf_get_pblock_virt20; + struct udfPartitionMap2 *upm2 = (struct udfPartitionMap2 *)&(lvd->partitionMaps[offset]); + if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, strlen(UDF_ID_VIRTUAL))) { + if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0150) { + UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP15; + UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt15; + } else if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200) { + UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP20; + UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt20; } - } else - if (!strncmp - (upm2->partIdent.ident, UDF_ID_SPARABLE, - strlen(UDF_ID_SPARABLE))) { + } else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) { uint32_t loc; uint16_t ident; struct sparingTable *st; - struct sparablePartitionMap *spm = - (struct sparablePartitionMap *)&(lvd-> - partitionMaps - [offset]); - - UDF_SB_PARTTYPE(sb, i) = UDF_SPARABLE_MAP15; - UDF_SB_TYPESPAR(sb, i).s_packet_len = - le16_to_cpu(spm->packetLength); + struct sparablePartitionMap *spm = (struct sparablePartitionMap *)&(lvd->partitionMaps[offset]); + + UDF_SB_PARTTYPE(sb,i) = UDF_SPARABLE_MAP15; + UDF_SB_TYPESPAR(sb,i).s_packet_len = le16_to_cpu(spm->packetLength); for (j = 0; j < spm->numSparingTables; j++) { - loc = - le32_to_cpu(spm-> - locSparingTable[j]); - UDF_SB_TYPESPAR(sb, i).s_spar_map[j] = - udf_read_tagged(sb, loc, loc, - &ident); - if (UDF_SB_TYPESPAR(sb, i). - s_spar_map[j] != NULL) { - st = (struct sparingTable *) - UDF_SB_TYPESPAR(sb, - i). - s_spar_map[j]->b_data; - if (ident != 0 - || strncmp(st->sparingIdent. - ident, - UDF_ID_SPARING, - strlen - (UDF_ID_SPARING))) - { - brelse(UDF_SB_TYPESPAR - (sb, - i). - s_spar_map[j]); - UDF_SB_TYPESPAR(sb, - i). - s_spar_map[j] = - NULL; + loc = le32_to_cpu(spm->locSparingTable[j]); + UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = + udf_read_tagged(sb, loc, loc, &ident); + if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) { + st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,i).s_spar_map[j]->b_data; + if (ident != 0 || + strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) { + brelse(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]); + UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = NULL; } } } - UDF_SB_PARTFUNC(sb, i) = udf_get_pblock_spar15; + UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_spar15; } else { - udf_debug("Unknown ident: %s\n", - upm2->partIdent.ident); + udf_debug("Unknown ident: %s\n", upm2->partIdent.ident); continue; } - UDF_SB_PARTVSN(sb, i) = le16_to_cpu(upm2->volSeqNum); - UDF_SB_PARTNUM(sb, i) = le16_to_cpu(upm2->partitionNum); + UDF_SB_PARTVSN(sb,i) = le16_to_cpu(upm2->volSeqNum); + UDF_SB_PARTNUM(sb,i) = le16_to_cpu(upm2->partitionNum); } udf_debug("Partition (%d:%d) type %d on volume %d\n", - i, UDF_SB_PARTNUM(sb, i), type, UDF_SB_PARTVSN(sb, - i)); + i, UDF_SB_PARTNUM(sb,i), type, UDF_SB_PARTVSN(sb,i)); } if (fileset) { - long_ad *la = (long_ad *) & (lvd->logicalVolContentsUse[0]); + long_ad *la = (long_ad *)&(lvd->logicalVolContentsUse[0]); *fileset = lelb_to_cpu(la->extLocation); - udf_debug - ("FileSet found in LogicalVolDesc at block=%d, partition=%d\n", - fileset->logicalBlockNum, fileset->partitionReferenceNum); + udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n", + fileset->logicalBlockNum, + fileset->partitionReferenceNum); } if (lvd->integritySeqExt.extLength) udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt)); + return 0; } @@ -1219,9 +1060,7 @@ static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc) UDF_SB_LVIDBH(sb) = bh; if (UDF_SB_LVID(sb)->nextIntegrityExt.extLength) - udf_load_logicalvolint(sb, - leea_to_cpu(UDF_SB_LVID(sb)-> - nextIntegrityExt)); + udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt)); if (UDF_SB_LVIDBH(sb) != bh) brelse(bh); @@ -1247,9 +1086,8 @@ static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc) * July 1, 1997 - Andrew E. Mileski * Written, tested, and released. */ -static int -udf_process_sequence(struct super_block *sb, long block, long lastblock, - kernel_lb_addr * fileset) +static int udf_process_sequence(struct super_block *sb, long block, long lastblock, + kernel_lb_addr *fileset) { struct buffer_head *bh = NULL; struct udf_vds_record vds[VDS_POS_LENGTH]; @@ -1274,82 +1112,71 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, gd = (struct generic_desc *)bh->b_data; vdsn = le32_to_cpu(gd->volDescSeqNum); switch (ident) { - case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */ + case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */ if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum) { - vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = - vdsn; + vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = vdsn; vds[VDS_POS_PRIMARY_VOL_DESC].block = block; } break; - case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */ + case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */ if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum) { vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn; vds[VDS_POS_VOL_DESC_PTR].block = block; vdp = (struct volDescPtr *)bh->b_data; - next_s = - le32_to_cpu(vdp->nextVolDescSeqExt. - extLocation); - next_e = - le32_to_cpu(vdp->nextVolDescSeqExt. - extLength); + next_s = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation); + next_e = le32_to_cpu(vdp->nextVolDescSeqExt.extLength); next_e = next_e >> sb->s_blocksize_bits; next_e += next_s; } break; - case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */ + case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */ if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum) { - vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = - vdsn; + vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = vdsn; vds[VDS_POS_IMP_USE_VOL_DESC].block = block; } break; - case TAG_IDENT_PD: /* ISO 13346 3/10.5 */ + case TAG_IDENT_PD: /* ISO 13346 3/10.5 */ if (!vds[VDS_POS_PARTITION_DESC].block) vds[VDS_POS_PARTITION_DESC].block = block; break; - case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */ + case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */ if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum) { - vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = - vdsn; + vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = vdsn; vds[VDS_POS_LOGICAL_VOL_DESC].block = block; } break; - case TAG_IDENT_USD: /* ISO 13346 3/10.8 */ - if (vdsn >= - vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) { - vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = - vdsn; + case TAG_IDENT_USD: /* ISO 13346 3/10.8 */ + if (vdsn >= vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) { + vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = vdsn; vds[VDS_POS_UNALLOC_SPACE_DESC].block = block; } break; - case TAG_IDENT_TD: /* ISO 13346 3/10.9 */ + case TAG_IDENT_TD: /* ISO 13346 3/10.9 */ vds[VDS_POS_TERMINATING_DESC].block = block; if (next_e) { block = next_s; lastblock = next_e; next_s = next_e = 0; - } else + } else { done = 1; + } break; } brelse(bh); } for (i = 0; i < VDS_POS_LENGTH; i++) { if (vds[i].block) { - bh = udf_read_tagged(sb, vds[i].block, vds[i].block, - &ident); + bh = udf_read_tagged(sb, vds[i].block, vds[i].block, &ident); - if (i == VDS_POS_PRIMARY_VOL_DESC) + if (i == VDS_POS_PRIMARY_VOL_DESC) { udf_load_pvoldesc(sb, bh); - else if (i == VDS_POS_LOGICAL_VOL_DESC) + } else if (i == VDS_POS_LOGICAL_VOL_DESC) { udf_load_logicalvol(sb, bh, fileset); - else if (i == VDS_POS_PARTITION_DESC) { + } else if (i == VDS_POS_PARTITION_DESC) { struct buffer_head *bh2 = NULL; udf_load_partdesc(sb, bh); - for (j = vds[i].block + 1; - j < vds[VDS_POS_TERMINATING_DESC].block; - j++) { + for (j = vds[i].block + 1; j < vds[VDS_POS_TERMINATING_DESC].block; j++) { bh2 = udf_read_tagged(sb, j, j, &ident); gd = (struct generic_desc *)bh2->b_data; if (ident == TAG_IDENT_PD) @@ -1378,16 +1205,17 @@ static int udf_check_valid(struct super_block *sb, int novrs, int silent) /* Check that it is NSR02 compliant */ /* Process any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1) */ else if ((block = udf_vrs(sb, silent)) == -1) { - udf_debug - ("Failed to read byte 32768. Assuming open disc. Skipping validity check\n"); + udf_debug("Failed to read byte 32768. Assuming open disc. " + "Skipping validity check\n"); if (!UDF_SB_LASTBLOCK(sb)) UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb); return 0; - } else + } else { return !block; + } } -static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset) +static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) { struct anchorVolDescPtr *anchor; uint16_t ident; @@ -1399,28 +1227,20 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset) return 1; for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) { - if (UDF_SB_ANCHOR(sb)[i] && (bh = udf_read_tagged(sb, - UDF_SB_ANCHOR - (sb)[i], - UDF_SB_ANCHOR - (sb)[i], - &ident))) { + if (UDF_SB_ANCHOR(sb)[i] && + (bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i], + UDF_SB_ANCHOR(sb)[i], &ident))) { anchor = (struct anchorVolDescPtr *)bh->b_data; /* Locate the main sequence */ - main_s = - le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); - main_e = - le32_to_cpu(anchor->mainVolDescSeqExt.extLength); + main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); + main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength ); main_e = main_e >> sb->s_blocksize_bits; main_e += main_s; /* Locate the reserve sequence */ - reserve_s = - le32_to_cpu(anchor->reserveVolDescSeqExt. - extLocation); - reserve_e = - le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); + reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation); + reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); reserve_e = reserve_e >> sb->s_blocksize_bits; reserve_e += reserve_s; @@ -1428,10 +1248,8 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset) /* Process the main & reserve sequences */ /* responsible for finding the PartitionDesc(s) */ - if (! - (udf_process_sequence(sb, main_s, main_e, fileset) - && udf_process_sequence(sb, reserve_s, reserve_e, - fileset))) { + if (!(udf_process_sequence(sb, main_s, main_e, fileset) && + udf_process_sequence(sb, reserve_s, reserve_e, fileset))) { break; } } @@ -1444,81 +1262,67 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset) udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]); for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) { + kernel_lb_addr uninitialized_var(ino); switch (UDF_SB_PARTTYPE(sb, i)) { case UDF_VIRTUAL_MAP15: case UDF_VIRTUAL_MAP20: - { - kernel_lb_addr uninitialized_var(ino); + if (!UDF_SB_LASTBLOCK(sb)) { + UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb); + udf_find_anchor(sb); + } - if (!UDF_SB_LASTBLOCK(sb)) { - UDF_SB_LASTBLOCK(sb) = - udf_get_last_block(sb); - udf_find_anchor(sb); - } + if (!UDF_SB_LASTBLOCK(sb)) { + udf_debug("Unable to determine Lastblock (For " + "Virtual Partition)\n"); + return 1; + } - if (!UDF_SB_LASTBLOCK(sb)) { - udf_debug - ("Unable to determine Lastblock (For Virtual Partition)\n"); - return 1; + for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) { + if (j != i && UDF_SB_PARTVSN(sb, i) == + UDF_SB_PARTVSN(sb, j) && + UDF_SB_PARTNUM(sb, i) == + UDF_SB_PARTNUM(sb, j)) { + ino.partitionReferenceNum = j; + ino.logicalBlockNum = + UDF_SB_LASTBLOCK(sb) - + UDF_SB_PARTROOT(sb, j); + break; } + } - for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) { - if (j != i && - UDF_SB_PARTVSN(sb, - i) == - UDF_SB_PARTVSN(sb, j) - && UDF_SB_PARTNUM(sb, - i) == - UDF_SB_PARTNUM(sb, j)) { - ino.partitionReferenceNum = j; - ino.logicalBlockNum = - UDF_SB_LASTBLOCK(sb) - - UDF_SB_PARTROOT(sb, j); - break; - } - } + if (j == UDF_SB_NUMPARTS(sb)) + return 1; - if (j == UDF_SB_NUMPARTS(sb)) - return 1; + if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino))) + return 1; - if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino))) - return 1; + if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) { + UDF_SB_TYPEVIRT(sb, i).s_start_offset = + udf_ext0_offset(UDF_SB_VAT(sb)); + UDF_SB_TYPEVIRT(sb, i).s_num_entries = + (UDF_SB_VAT(sb)->i_size - 36) >> 2; + } else if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP20) { + struct buffer_head *bh = NULL; + uint32_t pos; - if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) { - UDF_SB_TYPEVIRT(sb, i).s_start_offset = - udf_ext0_offset(UDF_SB_VAT(sb)); - UDF_SB_TYPEVIRT(sb, i).s_num_entries = - (UDF_SB_VAT(sb)->i_size - 36) >> 2; - } else if (UDF_SB_PARTTYPE(sb, i) == - UDF_VIRTUAL_MAP20) { - struct buffer_head *bh = NULL; - uint32_t pos; - - pos = udf_block_map(UDF_SB_VAT(sb), 0); - bh = sb_bread(sb, pos); - if (!bh) - return 1; - UDF_SB_TYPEVIRT(sb, i).s_start_offset = - le16_to_cpu(((struct - virtualAllocationTable20 - *)bh->b_data + - udf_ext0_offset - (UDF_SB_VAT(sb)))-> - lengthHeader) + - udf_ext0_offset(UDF_SB_VAT(sb)); - UDF_SB_TYPEVIRT(sb, i).s_num_entries = - (UDF_SB_VAT(sb)->i_size - - UDF_SB_TYPEVIRT(sb, - i). - s_start_offset) >> 2; - brelse(bh); - } - UDF_SB_PARTROOT(sb, i) = - udf_get_pblock(sb, 0, i, 0); - UDF_SB_PARTLEN(sb, i) = - UDF_SB_PARTLEN(sb, - ino.partitionReferenceNum); + pos = udf_block_map(UDF_SB_VAT(sb), 0); + bh = sb_bread(sb, pos); + if (!bh) + return 1; + UDF_SB_TYPEVIRT(sb, i).s_start_offset = + le16_to_cpu(((struct + virtualAllocationTable20 *)bh->b_data + + udf_ext0_offset(UDF_SB_VAT(sb)))-> + lengthHeader) + + udf_ext0_offset(UDF_SB_VAT(sb)); + UDF_SB_TYPEVIRT(sb, i).s_num_entries = + (UDF_SB_VAT(sb)->i_size - + UDF_SB_TYPEVIRT(sb, i).s_start_offset) >> 2; + brelse(bh); } + UDF_SB_PARTROOT(sb, i) = udf_get_pblock(sb, 0, i, 0); + UDF_SB_PARTLEN(sb, i) = UDF_SB_PARTLEN(sb, + ino.partitionReferenceNum); } } return 0; @@ -1555,42 +1359,32 @@ static void udf_open_lvid(struct super_block *sb) static void udf_close_lvid(struct super_block *sb) { + kernel_timestamp cpu_time; + int i; + if (UDF_SB_LVIDBH(sb) && UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN) { - int i; - kernel_timestamp cpu_time; - UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; if (udf_time_to_stamp(&cpu_time, CURRENT_TIME)) - UDF_SB_LVID(sb)->recordingDateAndTime = - cpu_to_lets(cpu_time); - if (UDF_MAX_WRITE_VERSION > - le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev)) - UDF_SB_LVIDIU(sb)->maxUDFWriteRev = - cpu_to_le16(UDF_MAX_WRITE_VERSION); - if (UDF_SB_UDFREV(sb) > - le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev)) - UDF_SB_LVIDIU(sb)->minUDFReadRev = - cpu_to_le16(UDF_SB_UDFREV(sb)); - if (UDF_SB_UDFREV(sb) > - le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev)) - UDF_SB_LVIDIU(sb)->minUDFWriteRev = - cpu_to_le16(UDF_SB_UDFREV(sb)); - UDF_SB_LVID(sb)->integrityType = - cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); + UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time); + if (UDF_MAX_WRITE_VERSION > le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev)) + UDF_SB_LVIDIU(sb)->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION); + if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev)) + UDF_SB_LVIDIU(sb)->minUDFReadRev = cpu_to_le16(UDF_SB_UDFREV(sb)); + if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev)) + UDF_SB_LVIDIU(sb)->minUDFWriteRev = cpu_to_le16(UDF_SB_UDFREV(sb)); + UDF_SB_LVID(sb)->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); UDF_SB_LVID(sb)->descTag.descCRC = - cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag), - le16_to_cpu(UDF_SB_LVID(sb)->descTag. - descCRCLength), 0)); + cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag), + le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0)); UDF_SB_LVID(sb)->descTag.tagChecksum = 0; for (i = 0; i < 16; i++) if (i != 4) UDF_SB_LVID(sb)->descTag.tagChecksum += - ((uint8_t *) & - (UDF_SB_LVID(sb)->descTag))[i]; + ((uint8_t *)&(UDF_SB_LVID(sb)->descTag))[i]; mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } @@ -1628,6 +1422,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) sbi = kmalloc(sizeof(struct udf_sb_info), GFP_KERNEL); if (!sbi) return -ENOMEM; + sb->s_fs_info = sbi; memset(UDF_SB(sb), 0x00, sizeof(struct udf_sb_info)); @@ -1679,7 +1474,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) UDF_SB_ANCHOR(sb)[2] = uopt.anchor; UDF_SB_ANCHOR(sb)[3] = 256; - if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */ + if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */ printk("UDF-fs: No VRS found\n"); goto error_out; } @@ -1701,10 +1496,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) udf_debug("Lastblock=%d\n", UDF_SB_LASTBLOCK(sb)); if (UDF_SB_LVIDBH(sb)) { - uint16_t minUDFReadRev = - le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev); - uint16_t minUDFWriteRev = - le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev); + uint16_t minUDFReadRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev); + uint16_t minUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev); /* uint16_t maxUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev); */ if (minUDFReadRev > UDF_MAX_READ_VERSION) { @@ -1729,10 +1522,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) goto error_out; } - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_READ_ONLY) { - printk - ("UDF-fs: Partition marked readonly; forcing readonly mount\n"); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_READ_ONLY) { + printk("UDF-fs: Partition marked readonly; forcing readonly mount\n"); sb->s_flags |= MS_RDONLY; } @@ -1744,10 +1535,11 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) if (!silent) { kernel_timestamp ts; udf_time_to_stamp(&ts, UDF_SB_RECORDTIME(sb)); - udf_info - ("UDF %s (%s) Mounting volume '%s', timestamp %04u/%02u/%02u %02u:%02u (%x)\n", - UDFFS_VERSION, UDFFS_DATE, UDF_SB_VOLIDENT(sb), ts.year, - ts.month, ts.day, ts.hour, ts.minute, ts.typeAndTimezone); + udf_info("UDF %s (%s) Mounting volume '%s', " + "timestamp %04u/%02u/%02u %02u:%02u (%x)\n", + UDFFS_VERSION, UDFFS_DATE, + UDF_SB_VOLIDENT(sb), ts.year, ts.month, ts.day, ts.hour, ts.minute, + ts.typeAndTimezone); } if (!(sb->s_flags & MS_RDONLY)) udf_open_lvid(sb); @@ -1772,30 +1564,21 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) sb->s_maxbytes = MAX_LFS_FILESIZE; return 0; - error_out: +error_out: if (UDF_SB_VAT(sb)) iput(UDF_SB_VAT(sb)); if (UDF_SB_NUMPARTS(sb)) { - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_TABLE) - iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace. - s_table); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_TABLE) - iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace. - s_table); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_BITMAP) - UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_uspace); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_BITMAP) - UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_fspace); - if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == - UDF_SPARABLE_MAP15) { + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) + iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) + iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) + UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_uspace); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) + UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_fspace); + if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) { for (i = 0; i < 4; i++) - brelse(UDF_SB_TYPESPAR - (sb, - UDF_SB_PARTITION(sb)).s_spar_map[i]); + brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); } } #ifdef CONFIG_UDF_NLS @@ -1808,6 +1591,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) UDF_SB_FREE(sb); kfree(sbi); sb->s_fs_info = NULL; + return -EINVAL; } @@ -1823,8 +1607,8 @@ void udf_error(struct super_block *sb, const char *function, va_start(args, fmt); vsnprintf(error_buf, sizeof(error_buf), fmt, args); va_end(args); - printk(KERN_CRIT "UDF-fs error (device %s): %s: %s\n", - sb->s_id, function, error_buf); + printk (KERN_CRIT "UDF-fs error (device %s): %s: %s\n", + sb->s_id, function, error_buf); } void udf_warning(struct super_block *sb, const char *function, @@ -1859,26 +1643,17 @@ static void udf_put_super(struct super_block *sb) if (UDF_SB_VAT(sb)) iput(UDF_SB_VAT(sb)); if (UDF_SB_NUMPARTS(sb)) { - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_TABLE) - iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace. - s_table); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_TABLE) - iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace. - s_table); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_BITMAP) - UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_uspace); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_BITMAP) - UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_fspace); - if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == - UDF_SPARABLE_MAP15) { + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) + iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) + iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) + UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_uspace); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) + UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_fspace); + if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) { for (i = 0; i < 4; i++) - brelse(UDF_SB_TYPESPAR - (sb, - UDF_SB_PARTITION(sb)).s_spar_map[i]); + brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); } } #ifdef CONFIG_UDF_NLS @@ -1917,8 +1692,7 @@ static int udf_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bavail = buf->f_bfree; buf->f_files = (UDF_SB_LVIDBH(sb) ? (le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) + - le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + - buf->f_bfree; + le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + buf->f_bfree; buf->f_ffree = buf->f_bfree; /* __kernel_fsid_t f_fsid */ buf->f_namelen = UDF_NAME_LEN - 2; @@ -1930,8 +1704,7 @@ static unsigned char udf_bitmap_lookup[16] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 }; -static unsigned int -udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) +static unsigned int udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) { struct buffer_head *bh = NULL; unsigned int accum = 0; @@ -1961,8 +1734,8 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) bm = (struct spaceBitmapDesc *)bh->b_data; bytes = le32_to_cpu(bm->numOfBytes); - index = sizeof(struct spaceBitmapDesc); /* offset in first block only */ - ptr = (uint8_t *) bh->b_data; + index = sizeof(struct spaceBitmapDesc); /* offset in first block only */ + ptr = (uint8_t *)bh->b_data; while (bytes > 0) { while ((bytes > 0) && (index < sb->s_blocksize)) { @@ -1981,19 +1754,18 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) goto out; } index = 0; - ptr = (uint8_t *) bh->b_data; + ptr = (uint8_t *)bh->b_data; } } brelse(bh); - out: +out: unlock_kernel(); return accum; } -static unsigned int -udf_count_free_table(struct super_block *sb, struct inode *table) +static unsigned int udf_count_free_table(struct super_block *sb, struct inode *table) { unsigned int accum = 0; uint32_t elen; @@ -2007,8 +1779,9 @@ udf_count_free_table(struct super_block *sb, struct inode *table) epos.offset = sizeof(struct unallocSpaceEntry); epos.bh = NULL; - while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) + while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { accum += (elen >> table->i_sb->s_blocksize_bits); + } brelse(epos.bh); unlock_kernel(); @@ -2021,12 +1794,8 @@ static unsigned int udf_count_free(struct super_block *sb) unsigned int accum = 0; if (UDF_SB_LVIDBH(sb)) { - if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > - UDF_SB_PARTITION(sb)) { - accum = - le32_to_cpu(UDF_SB_LVID(sb)-> - freeSpaceTable[UDF_SB_PARTITION(sb)]); - + if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > UDF_SB_PARTITION(sb)) { + accum = le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]); if (accum == 0xFFFFFFFF) accum = 0; } @@ -2035,40 +1804,24 @@ static unsigned int udf_count_free(struct super_block *sb) if (accum) return accum; - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_BITMAP) { - accum += - udf_count_free_bitmap(sb, - UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION - (sb)].s_uspace. - s_bitmap); + if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) { + accum += udf_count_free_bitmap(sb, + UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_bitmap); } - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_BITMAP) { - accum += - udf_count_free_bitmap(sb, - UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION - (sb)].s_fspace. - s_bitmap); + if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) { + accum += udf_count_free_bitmap(sb, + UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_bitmap); } if (accum) return accum; - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_TABLE) { - accum += - udf_count_free_table(sb, - UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION - (sb)].s_uspace. - s_table); + if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) { + accum += udf_count_free_table(sb, + UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table); } - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_TABLE) { - accum += - udf_count_free_table(sb, - UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION - (sb)].s_fspace. - s_table); + if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) { + accum += udf_count_free_table(sb, + UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table); } return accum; diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c index c4b82a9..e6f933d 100644 --- a/fs/udf/symlink.c +++ b/fs/udf/symlink.c @@ -11,7 +11,7 @@ * Each contributing author retains all rights to their own work. * * (C) 1998-2001 Ben Fennema - * (C) 1999 Stelias Computing Inc + * (C) 1999 Stelias Computing Inc * * HISTORY * @@ -33,8 +33,7 @@ #include <linux/buffer_head.h> #include "udf_i.h" -static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen, - char *to) +static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen, char *to) { struct pathComponent *pc; int elen = 0; @@ -81,9 +80,9 @@ static int udf_symlink_filler(struct file *file, struct page *page) char *p = kmap(page); lock_kernel(); - if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) + if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { symlink = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); - else { + } else { bh = sb_bread(inode->i_sb, udf_block_map(inode, 0)); if (!bh) @@ -100,7 +99,8 @@ static int udf_symlink_filler(struct file *file, struct page *page) kunmap(page); unlock_page(page); return 0; - out: + +out: unlock_kernel(); SetPageError(page); kunmap(page); @@ -112,5 +112,5 @@ static int udf_symlink_filler(struct file *file, struct page *page) * symlinks can't do much... */ const struct address_space_operations udf_symlink_aops = { - .readpage = udf_symlink_filler, + .readpage = udf_symlink_filler, }; diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index b2002da..7fc3912 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -32,13 +32,11 @@ static void extent_trunc(struct inode *inode, struct extent_position *epos, kernel_lb_addr eloc, int8_t etype, uint32_t elen, uint32_t nelen) { - kernel_lb_addr neloc = { 0, 0 }; - int last_block = - (elen + inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits; - int first_block = - (nelen + inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits; + kernel_lb_addr neloc = {}; + int last_block = (elen + inode->i_sb->s_blocksize - 1) >> + inode->i_sb->s_blocksize_bits; + int first_block = (nelen + inode->i_sb->s_blocksize - 1) >> + inode->i_sb->s_blocksize_bits; if (nelen) { if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { @@ -70,7 +68,7 @@ static void extent_trunc(struct inode *inode, struct extent_position *epos, */ void udf_truncate_tail_extent(struct inode *inode) { - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; kernel_lb_addr eloc; uint32_t elen, nelen; uint64_t lbcount = 0; @@ -156,16 +154,16 @@ void udf_discard_prealloc(struct inode *inode) extent_trunc(inode, &epos, eloc, etype, elen, 0); if (!epos.bh) { UDF_I_LENALLOC(inode) = - epos.offset - udf_file_entry_alloc_offset(inode); + epos.offset - udf_file_entry_alloc_offset(inode); mark_inode_dirty(inode); } else { struct allocExtDesc *aed = - (struct allocExtDesc *)(epos.bh->b_data); + (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = - cpu_to_le32(epos.offset - - sizeof(struct allocExtDesc)); - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) - || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) + cpu_to_le32(epos.offset - + sizeof(struct allocExtDesc)); + if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || + UDF_SB_UDFREV(inode->i_sb) >= 0x0201) udf_update_tag(epos.bh->b_data, epos.offset); else udf_update_tag(epos.bh->b_data, @@ -182,7 +180,7 @@ void udf_discard_prealloc(struct inode *inode) void udf_truncate_extents(struct inode *inode) { struct extent_position epos; - kernel_lb_addr eloc, neloc = { 0, 0 }; + kernel_lb_addr eloc, neloc = {}; uint32_t elen, nelen = 0, indirect_ext_len = 0, lenalloc; int8_t etype; struct super_block *sb = inode->i_sb; @@ -198,9 +196,8 @@ void udf_truncate_extents(struct inode *inode) BUG(); etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset); - byte_offset = - (offset << sb->s_blocksize_bits) + - (inode->i_size & (sb->s_blocksize - 1)); + byte_offset = (offset << sb->s_blocksize_bits) + + (inode->i_size & (sb->s_blocksize - 1)); if (etype != -1) { epos.offset -= adsize; extent_trunc(inode, &epos, eloc, etype, elen, byte_offset); @@ -215,9 +212,7 @@ void udf_truncate_extents(struct inode *inode) else lenalloc -= sizeof(struct allocExtDesc); - while ((etype = - udf_current_aext(inode, &epos, &eloc, &elen, - 0)) != -1) { + while ((etype = udf_current_aext(inode, &epos, &eloc, &elen, 0)) != -1) { if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { udf_write_aext(inode, &epos, neloc, nelen, 0); if (indirect_ext_len) { @@ -229,52 +224,35 @@ void udf_truncate_extents(struct inode *inode) 0, indirect_ext_len); } else { if (!epos.bh) { - UDF_I_LENALLOC(inode) = - lenalloc; + UDF_I_LENALLOC(inode) = lenalloc; mark_inode_dirty(inode); } else { struct allocExtDesc *aed = - (struct allocExtDesc - *)(epos.bh->b_data); + (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG - (sb, UDF_FLAG_STRICT) - || UDF_SB_UDFREV(sb) >= - 0x0201) - udf_update_tag(epos.bh-> - b_data, - lenalloc - + - sizeof - (struct - allocExtDesc)); + if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || + UDF_SB_UDFREV(sb) >= 0x0201) + udf_update_tag(epos.bh->b_data, + lenalloc + + sizeof(struct allocExtDesc)); else - udf_update_tag(epos.bh-> - b_data, - sizeof - (struct - allocExtDesc)); - mark_buffer_dirty_inode(epos.bh, - inode); + udf_update_tag(epos.bh->b_data, + sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } brelse(epos.bh); epos.offset = sizeof(struct allocExtDesc); epos.block = eloc; - epos.bh = - udf_tread(sb, - udf_get_lb_pblock(sb, eloc, 0)); + epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, eloc, 0)); if (elen) - indirect_ext_len = (elen + - sb->s_blocksize - - 1) >> sb-> - s_blocksize_bits; + indirect_ext_len = (elen + sb->s_blocksize -1) >> + sb->s_blocksize_bits; else indirect_ext_len = 1; } else { - extent_trunc(inode, &epos, eloc, etype, elen, - 0); + extent_trunc(inode, &epos, eloc, etype, elen, 0); epos.offset += adsize; } } @@ -292,16 +270,13 @@ void udf_truncate_extents(struct inode *inode) struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) - || UDF_SB_UDFREV(sb) >= 0x0201) + if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || + UDF_SB_UDFREV(sb) >= 0x0201) udf_update_tag(epos.bh->b_data, - lenalloc + - sizeof(struct - allocExtDesc)); + lenalloc + sizeof(struct allocExtDesc)); else udf_update_tag(epos.bh->b_data, - sizeof(struct - allocExtDesc)); + sizeof(struct allocExtDesc)); mark_buffer_dirty_inode(epos.bh, inode); } } @@ -314,21 +289,14 @@ void udf_truncate_extents(struct inode *inode) * no extent above inode->i_size => truncate is * extending the file by 'offset' blocks. */ - if ((!epos.bh - && epos.offset == - udf_file_entry_alloc_offset(inode)) || (epos.bh - && epos. - offset == - sizeof - (struct - allocExtDesc))) - { + if ((!epos.bh && + epos.offset == udf_file_entry_alloc_offset(inode)) || + (epos.bh && epos.offset == sizeof(struct allocExtDesc))) { /* File has no extents at all or has empty last * indirect extent! Create a fake extent... */ extent.extLocation.logicalBlockNum = 0; extent.extLocation.partitionReferenceNum = 0; - extent.extLength = - EXT_NOT_RECORDED_NOT_ALLOCATED; + extent.extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; } else { epos.offset -= adsize; etype = udf_next_aext(inode, &epos, @@ -337,10 +305,7 @@ void udf_truncate_extents(struct inode *inode) extent.extLength |= etype << 30; } udf_extend_file(inode, &epos, &extent, - offset + - ((inode-> - i_size & (sb->s_blocksize - 1)) != - 0)); + offset + ((inode->i_size & (sb->s_blocksize - 1)) != 0)); } } UDF_I_LENEXTENTS(inode) = inode->i_size; diff --git a/fs/udf/udf_i.h b/fs/udf/udf_i.h index bee4308..d7dbe6f 100644 --- a/fs/udf/udf_i.h +++ b/fs/udf/udf_i.h @@ -23,4 +23,4 @@ static inline struct udf_inode_info *UDF_I(struct inode *inode) #define UDF_I_LAD(X) ( UDF_I(X)->i_ext.i_lad ) #define UDF_I_DATA(X) ( UDF_I(X)->i_ext.i_data ) -#endif /* !defined(_LINUX_UDF_I_H) */ +#endif /* !defined(_LINUX_UDF_I_H) */ diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h index 60f31d8..3e937d3 100644 --- a/fs/udf/udf_sb.h +++ b/fs/udf/udf_sb.h @@ -20,8 +20,8 @@ #define UDF_FLAG_VARCONV 8 #define UDF_FLAG_NLS_MAP 9 #define UDF_FLAG_UTF8 10 -#define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */ -#define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */ +#define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */ +#define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */ #define UDF_FLAG_GID_FORGET 13 #define UDF_FLAG_GID_IGNORE 14 @@ -41,8 +41,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) #define UDF_SB_FREE(X)\ {\ - if (UDF_SB(X))\ - {\ + if (UDF_SB(X)) {\ kfree(UDF_SB_PARTMAPS(X));\ UDF_SB_PARTMAPS(X) = NULL;\ }\ @@ -51,13 +50,10 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) #define UDF_SB_ALLOC_PARTMAPS(X,Y)\ {\ UDF_SB_PARTMAPS(X) = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\ - if (UDF_SB_PARTMAPS(X) != NULL)\ - {\ + if (UDF_SB_PARTMAPS(X) != NULL) {\ UDF_SB_NUMPARTS(X) = Y;\ memset(UDF_SB_PARTMAPS(X), 0x00, sizeof(struct udf_part_map) * Y);\ - }\ - else\ - {\ + } else {\ UDF_SB_NUMPARTS(X) = 0;\ udf_error(X, __FUNCTION__, "Unable to allocate space for %d partition maps", Y);\ }\ @@ -72,15 +68,12 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = kmalloc(size, GFP_KERNEL);\ else\ UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = vmalloc(size);\ - if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL)\ - {\ + if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL) {\ memset(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap, 0x00, size);\ UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap =\ (struct buffer_head **)(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap + 1);\ UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\ - }\ - else\ - {\ + } else {\ udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap and %d buffer_head pointers", nr_groups);\ }\ } @@ -90,8 +83,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) int i;\ int nr_groups = UDF_SB_BITMAP_NR_GROUPS(X,Y,Z);\ int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\ - for (i=0; i<nr_groups; i++)\ - {\ + for (i = 0; i < nr_groups; i++) {\ if (UDF_SB_BITMAP(X,Y,Z,i))\ brelse(UDF_SB_BITMAP(X,Y,Z,i));\ }\ @@ -139,4 +131,4 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) #define UDF_SB_FLAGS(X) ( UDF_SB(X)->s_flags ) #define UDF_SB_VAT(X) ( UDF_SB(X)->s_vat ) -#endif /* __LINUX_UDF_SB_H */ +#endif /* __LINUX_UDF_SB_H */ diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index 76f2b82..c8016cc 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -63,8 +63,8 @@ struct udf_vds_record { }; struct generic_desc { - tag descTag; - __le32 volDescSeqNum; + tag descTag; + __le32 volDescSeqNum; }; struct ustr { diff --git a/fs/udf/udfend.h b/fs/udf/udfend.h index 450daab..c4bd120 100644 --- a/fs/udf/udfend.h +++ b/fs/udf/udfend.h @@ -7,75 +7,93 @@ static inline kernel_lb_addr lelb_to_cpu(lb_addr in) { kernel_lb_addr out; + out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum); out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum); + return out; } static inline lb_addr cpu_to_lelb(kernel_lb_addr in) { lb_addr out; + out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum); out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum); + return out; } static inline kernel_timestamp lets_to_cpu(timestamp in) { kernel_timestamp out; + memcpy(&out, &in, sizeof(timestamp)); out.typeAndTimezone = le16_to_cpu(in.typeAndTimezone); out.year = le16_to_cpu(in.year); + return out; } static inline short_ad lesa_to_cpu(short_ad in) { short_ad out; + out.extLength = le32_to_cpu(in.extLength); out.extPosition = le32_to_cpu(in.extPosition); + return out; } static inline short_ad cpu_to_lesa(short_ad in) { short_ad out; + out.extLength = cpu_to_le32(in.extLength); out.extPosition = cpu_to_le32(in.extPosition); + return out; } static inline kernel_long_ad lela_to_cpu(long_ad in) { kernel_long_ad out; + out.extLength = le32_to_cpu(in.extLength); out.extLocation = lelb_to_cpu(in.extLocation); + return out; } static inline long_ad cpu_to_lela(kernel_long_ad in) { long_ad out; + out.extLength = cpu_to_le32(in.extLength); out.extLocation = cpu_to_lelb(in.extLocation); + return out; } static inline kernel_extent_ad leea_to_cpu(extent_ad in) { kernel_extent_ad out; + out.extLength = le32_to_cpu(in.extLength); out.extLocation = le32_to_cpu(in.extLocation); + return out; } static inline timestamp cpu_to_lets(kernel_timestamp in) { timestamp out; + memcpy(&out, &in, sizeof(timestamp)); out.typeAndTimezone = cpu_to_le16(in.typeAndTimezone); out.year = cpu_to_le16(in.year); + return out; } -#endif /* __UDF_ENDIAN_H */ +#endif /* __UDF_ENDIAN_H */ diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c index b9f3198..3fd80eb 100644 --- a/fs/udf/udftime.c +++ b/fs/udf/udftime.c @@ -18,18 +18,18 @@ Boston, MA 02111-1307, USA. */ /* - * dgb 10/02/98: ripped this from glibc source to help convert timestamps to unix time + * dgb 10/02/98: ripped this from glibc source to help convert timestamps to unix time * 10/04/98: added new table-based lookup after seeing how ugly the gnu code is * blf 09/27/99: ripped out all the old code and inserted new table from - * John Brockmeyer (without leap second corrections) - * rewrote udf_stamp_to_time and fixed timezone accounting in - udf_time_to_stamp. + * John Brockmeyer (without leap second corrections) + * rewrote udf_stamp_to_time and fixed timezone accounting in + * udf_time_to_stamp. */ /* * We don't take into account leap seconds. This may be correct or incorrect. * For more NIST information (especially dealing with leap seconds), see: - * http://www.boulder.nist.gov/timefreq/pubs/bulletin/leapsecond.htm + * http://www.boulder.nist.gov/timefreq/pubs/bulletin/leapsecond.htm */ #include <linux/types.h> @@ -54,28 +54,28 @@ static const unsigned short int __mon_yday[2][13] = { }; #define MAX_YEAR_SECONDS 69 -#define SPD 0x15180 /*3600*24 */ -#define SPY(y,l,s) (SPD * (365*y+l)+s) - -static time_t year_seconds[MAX_YEAR_SECONDS] = { -/*1970*/ SPY(0, 0, 0), SPY(1, 0, 0), SPY(2, 0, 0), SPY(3, 1, 0), -/*1974*/ SPY(4, 1, 0), SPY(5, 1, 0), SPY(6, 1, 0), SPY(7, 2, 0), -/*1978*/ SPY(8, 2, 0), SPY(9, 2, 0), SPY(10, 2, 0), SPY(11, 3, 0), -/*1982*/ SPY(12, 3, 0), SPY(13, 3, 0), SPY(14, 3, 0), SPY(15, 4, 0), -/*1986*/ SPY(16, 4, 0), SPY(17, 4, 0), SPY(18, 4, 0), SPY(19, 5, 0), -/*1990*/ SPY(20, 5, 0), SPY(21, 5, 0), SPY(22, 5, 0), SPY(23, 6, 0), -/*1994*/ SPY(24, 6, 0), SPY(25, 6, 0), SPY(26, 6, 0), SPY(27, 7, 0), -/*1998*/ SPY(28, 7, 0), SPY(29, 7, 0), SPY(30, 7, 0), SPY(31, 8, 0), -/*2002*/ SPY(32, 8, 0), SPY(33, 8, 0), SPY(34, 8, 0), SPY(35, 9, 0), -/*2006*/ SPY(36, 9, 0), SPY(37, 9, 0), SPY(38, 9, 0), SPY(39, 10, 0), -/*2010*/ SPY(40, 10, 0), SPY(41, 10, 0), SPY(42, 10, 0), SPY(43, 11, 0), -/*2014*/ SPY(44, 11, 0), SPY(45, 11, 0), SPY(46, 11, 0), SPY(47, 12, 0), -/*2018*/ SPY(48, 12, 0), SPY(49, 12, 0), SPY(50, 12, 0), SPY(51, 13, 0), -/*2022*/ SPY(52, 13, 0), SPY(53, 13, 0), SPY(54, 13, 0), SPY(55, 14, 0), -/*2026*/ SPY(56, 14, 0), SPY(57, 14, 0), SPY(58, 14, 0), SPY(59, 15, 0), -/*2030*/ SPY(60, 15, 0), SPY(61, 15, 0), SPY(62, 15, 0), SPY(63, 16, 0), -/*2034*/ SPY(64, 16, 0), SPY(65, 16, 0), SPY(66, 16, 0), SPY(67, 17, 0), -/*2038*/ SPY(68, 17, 0) +#define SPD 0x15180 /*3600*24 */ +#define SPY(y,l,s) (SPD * (365*y+l)+s) + +static time_t year_seconds[MAX_YEAR_SECONDS]= { +/*1970*/ SPY( 0, 0,0), SPY( 1, 0,0), SPY( 2, 0,0), SPY( 3, 1,0), +/*1974*/ SPY( 4, 1,0), SPY( 5, 1,0), SPY( 6, 1,0), SPY( 7, 2,0), +/*1978*/ SPY( 8, 2,0), SPY( 9, 2,0), SPY(10, 2,0), SPY(11, 3,0), +/*1982*/ SPY(12, 3,0), SPY(13, 3,0), SPY(14, 3,0), SPY(15, 4,0), +/*1986*/ SPY(16, 4,0), SPY(17, 4,0), SPY(18, 4,0), SPY(19, 5,0), +/*1990*/ SPY(20, 5,0), SPY(21, 5,0), SPY(22, 5,0), SPY(23, 6,0), +/*1994*/ SPY(24, 6,0), SPY(25, 6,0), SPY(26, 6,0), SPY(27, 7,0), +/*1998*/ SPY(28, 7,0), SPY(29, 7,0), SPY(30, 7,0), SPY(31, 8,0), +/*2002*/ SPY(32, 8,0), SPY(33, 8,0), SPY(34, 8,0), SPY(35, 9,0), +/*2006*/ SPY(36, 9,0), SPY(37, 9,0), SPY(38, 9,0), SPY(39,10,0), +/*2010*/ SPY(40,10,0), SPY(41,10,0), SPY(42,10,0), SPY(43,11,0), +/*2014*/ SPY(44,11,0), SPY(45,11,0), SPY(46,11,0), SPY(47,12,0), +/*2018*/ SPY(48,12,0), SPY(49,12,0), SPY(50,12,0), SPY(51,13,0), +/*2022*/ SPY(52,13,0), SPY(53,13,0), SPY(54,13,0), SPY(55,14,0), +/*2026*/ SPY(56,14,0), SPY(57,14,0), SPY(58,14,0), SPY(59,15,0), +/*2030*/ SPY(60,15,0), SPY(61,15,0), SPY(62,15,0), SPY(63,16,0), +/*2034*/ SPY(64,16,0), SPY(65,16,0), SPY(66,16,0), SPY(67,17,0), +/*2038*/ SPY(68,17,0) }; extern struct timezone sys_tz; @@ -83,7 +83,7 @@ extern struct timezone sys_tz; #define SECS_PER_HOUR (60 * 60) #define SECS_PER_DAY (SECS_PER_HOUR * 24) -time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src) +time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src) { int yday; uint8_t type = src.typeAndTimezone >> 12; @@ -93,10 +93,11 @@ time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src) offset = src.typeAndTimezone << 4; /* sign extent offset */ offset = (offset >> 4); - if (offset == -2047) /* unspecified offset */ + if (offset == -2047) /* unspecified offset */ offset = 0; - } else + } else { offset = 0; + } if ((src.year < EPOCH_YEAR) || (src.year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) { @@ -107,12 +108,10 @@ time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src) *dest = year_seconds[src.year - EPOCH_YEAR]; *dest -= offset * 60; - yday = ((__mon_yday[__isleap(src.year)] + yday = ((__mon_yday[__isleap (src.year)] [src.month - 1]) + (src.day - 1)); - *dest += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second; - *dest_usec = - src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + - src.microseconds; + *dest += ( ( (yday * 24) + src.hour ) * 60 + src.minute ) * 60 + src.second; + *dest_usec = src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + src.microseconds; return dest; } @@ -145,8 +144,9 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts) long int yg = y + days / 365 - (days % 365 < 0); /* Adjust DAYS and Y to match the guessed year. */ - days -= ((yg - y) * 365 + LEAPS_THRU_END_OF(yg - 1) - - LEAPS_THRU_END_OF(y - 1)); + days -= ((yg - y) * 365 + + LEAPS_THRU_END_OF (yg - 1) + - LEAPS_THRU_END_OF (y - 1)); y = yg; } dest->year = y; @@ -158,11 +158,9 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts) dest->day = days + 1; dest->centiseconds = ts.tv_nsec / 10000000; - dest->hundredsOfMicroseconds = - (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100; - dest->microseconds = - (ts.tv_nsec / 1000 - dest->centiseconds * 10000 - - dest->hundredsOfMicroseconds * 100); + dest->hundredsOfMicroseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100; + dest->microseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000 - + dest->hundredsOfMicroseconds * 100); return dest; } diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c index 4683524..9e6099c 100644 --- a/fs/udf/unicode.c +++ b/fs/udf/unicode.c @@ -29,21 +29,23 @@ static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int); -static int udf_char_to_ustr(struct ustr *dest, const uint8_t * src, int strlen) +static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen) { if ((!dest) || (!src) || (!strlen) || (strlen > UDF_NAME_LEN - 2)) return 0; + memset(dest, 0, sizeof(struct ustr)); memcpy(dest->u_name, src, strlen); dest->u_cmpID = 0x08; dest->u_len = strlen; + return strlen; } /* * udf_build_ustr */ -int udf_build_ustr(struct ustr *dest, dstring * ptr, int size) +int udf_build_ustr(struct ustr *dest, dstring *ptr, int size) { int usesize; @@ -55,13 +57,14 @@ int udf_build_ustr(struct ustr *dest, dstring * ptr, int size) dest->u_cmpID = ptr[0]; dest->u_len = ptr[size - 1]; memcpy(dest->u_name, ptr + 1, usesize - 1); + return 0; } /* * udf_build_ustr_exact */ -static int udf_build_ustr_exact(struct ustr *dest, dstring * ptr, int exactsize) +static int udf_build_ustr_exact(struct ustr *dest, dstring *ptr, int exactsize) { if ((!dest) || (!ptr) || (!exactsize)) return -1; @@ -70,6 +73,7 @@ static int udf_build_ustr_exact(struct ustr *dest, dstring * ptr, int exactsize) dest->u_cmpID = ptr[0]; dest->u_len = exactsize - 1; memcpy(dest->u_name, ptr + 1, exactsize - 1); + return 0; } @@ -129,20 +133,15 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i) c = (c << 8) | ocu[i++]; /* Compress Unicode to UTF-8 */ - if (c < 0x80U) - utf_o->u_name[utf_o->u_len++] = (uint8_t) c; - else if (c < 0x800U) { - utf_o->u_name[utf_o->u_len++] = - (uint8_t) (0xc0 | (c >> 6)); - utf_o->u_name[utf_o->u_len++] = - (uint8_t) (0x80 | (c & 0x3f)); + if (c < 0x80U) { + utf_o->u_name[utf_o->u_len++] = (uint8_t)c; + } else if (c < 0x800U) { + utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xc0 | (c >> 6)); + utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f)); } else { - utf_o->u_name[utf_o->u_len++] = - (uint8_t) (0xe0 | (c >> 12)); - utf_o->u_name[utf_o->u_len++] = - (uint8_t) (0x80 | ((c >> 6) & 0x3f)); - utf_o->u_name[utf_o->u_len++] = - (uint8_t) (0x80 | (c & 0x3f)); + utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xe0 | (c >> 12)); + utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | ((c >> 6) & 0x3f)); + utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f)); } } utf_o->u_cmpID = 8; @@ -173,7 +172,7 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i) * November 12, 1997 - Andrew E. Mileski * Written, tested, and released. */ -static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length) +static int udf_UTF8toCS0(dstring *ocu, struct ustr *utf, int length) { unsigned c, i, max_val, utf_char; int utf_cnt, u_len; @@ -182,12 +181,12 @@ static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length) ocu[0] = 8; max_val = 0xffU; - try_again: +try_again: u_len = 0U; utf_char = 0U; utf_cnt = 0U; for (i = 0U; i < utf->u_len; i++) { - c = (uint8_t) utf->u_name[i]; + c = (uint8_t)utf->u_name[i]; /* Complete a multi-byte UTF-8 character */ if (utf_cnt) { @@ -213,37 +212,40 @@ static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length) } else if ((c & 0xfeU) == 0xfcU) { utf_char = c & 0x01U; utf_cnt = 5; - } else + } else { goto error_out; + } continue; - } else + } else { /* Single byte UTF-8 character (most common) */ utf_char = c; + } } /* Choose no compression if necessary */ if (utf_char > max_val) { - if (0xffU == max_val) { + if (max_val == 0xffU) { max_val = 0xffffU; - ocu[0] = (uint8_t) 0x10U; + ocu[0] = (uint8_t)0x10U; goto try_again; } goto error_out; } if (max_val == 0xffffU) { - ocu[++u_len] = (uint8_t) (utf_char >> 8); + ocu[++u_len] = (uint8_t)(utf_char >> 8); } - ocu[++u_len] = (uint8_t) (utf_char & 0xffU); + ocu[++u_len] = (uint8_t)(utf_char & 0xffU); } if (utf_cnt) { - error_out: +error_out: ocu[++u_len] = '?'; printk(KERN_DEBUG "udf: bad UTF-8 character\n"); } - ocu[length - 1] = (uint8_t) u_len + 1; + ocu[length - 1] = (uint8_t)u_len + 1; + return u_len + 1; } @@ -288,7 +290,7 @@ static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o, return utf_o->u_len; } -static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni, +static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni, int length) { unsigned len, i, max_val; @@ -299,7 +301,7 @@ static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni, ocu[0] = 8; max_val = 0xffU; - try_again: +try_again: u_len = 0U; for (i = 0U; i < uni->u_len; i++) { len = nls->char2uni(&uni->u_name[i], uni->u_len - i, &uni_char); @@ -308,21 +310,21 @@ static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni, if (uni_char > max_val) { max_val = 0xffffU; - ocu[0] = (uint8_t) 0x10U; + ocu[0] = (uint8_t)0x10U; goto try_again; } if (max_val == 0xffffU) - ocu[++u_len] = (uint8_t) (uni_char >> 8); - ocu[++u_len] = (uint8_t) (uni_char & 0xffU); + ocu[++u_len] = (uint8_t)(uni_char >> 8); + ocu[++u_len] = (uint8_t)(uni_char & 0xffU); i += len - 1; } - ocu[length - 1] = (uint8_t) u_len + 1; + ocu[length - 1] = (uint8_t)u_len + 1; return u_len + 1; } -int udf_get_filename(struct super_block *sb, uint8_t * sname, uint8_t * dname, +int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname, int flen) { struct ustr filename, unifilename; @@ -334,30 +336,29 @@ int udf_get_filename(struct super_block *sb, uint8_t * sname, uint8_t * dname, if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) { if (!udf_CS0toUTF8(&filename, &unifilename)) { - udf_debug("Failed in udf_get_filename: sname = %s\n", - sname); + udf_debug("Failed in udf_get_filename: sname = %s\n", sname); return 0; } } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) { - if (!udf_CS0toNLS - (UDF_SB(sb)->s_nls_map, &filename, &unifilename)) { - udf_debug("Failed in udf_get_filename: sname = %s\n", - sname); + if (!udf_CS0toNLS(UDF_SB(sb)->s_nls_map, &filename, &unifilename)) { + udf_debug("Failed in udf_get_filename: sname = %s\n", sname); return 0; } - } else + } else { return 0; + } - if ((len = - udf_translate_to_linux(dname, filename.u_name, filename.u_len, - unifilename.u_name, unifilename.u_len))) { + len = udf_translate_to_linux(dname, filename.u_name, filename.u_len, + unifilename.u_name, unifilename.u_len); + if (len) { return len; } + return 0; } -int udf_put_filename(struct super_block *sb, const uint8_t * sname, - uint8_t * dname, int flen) +int udf_put_filename(struct super_block *sb, const uint8_t *sname, + uint8_t *dname, int flen) { struct ustr unifilename; int namelen; @@ -367,31 +368,29 @@ int udf_put_filename(struct super_block *sb, const uint8_t * sname, } if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) { - if (! - (namelen = - udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN))) { + namelen = udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN); + if (!namelen) { return 0; } } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) { - if (! - (namelen = - udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, - UDF_NAME_LEN))) { + namelen = udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, UDF_NAME_LEN); + if (!namelen) { return 0; } - } else + } else { return 0; + } return namelen; } #define ILLEGAL_CHAR_MARK '_' -#define EXT_MARK '.' -#define CRC_MARK '#' -#define EXT_SIZE 5 +#define EXT_MARK '.' +#define CRC_MARK '#' +#define EXT_SIZE 5 -static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, - int udfLen, uint8_t * fidName, int fidNameLen) +static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen, + uint8_t *fidName, int fidNameLen) { int index, newIndex = 0, needsCRC = 0; int extIndex = 0, newExtIndex = 0, hasExt = 0; @@ -399,8 +398,8 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, uint8_t curr; const uint8_t hexChar[] = "0123456789ABCDEF"; - if (udfName[0] == '.' && (udfLen == 1 || - (udfLen == 2 && udfName[1] == '.'))) { + if (udfName[0] == '.' && + (udfLen == 1 || (udfLen == 2 && udfName[1] == '.'))) { needsCRC = 1; newIndex = udfLen; memcpy(newName, udfName, udfLen); @@ -410,16 +409,13 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, if (curr == '/' || curr == 0) { needsCRC = 1; curr = ILLEGAL_CHAR_MARK; - while (index + 1 < udfLen - && (udfName[index + 1] == '/' - || udfName[index + 1] == 0)) + while (index + 1 < udfLen && (udfName[index + 1] == '/' || + udfName[index + 1] == 0)) index++; - } - if (curr == EXT_MARK - && (udfLen - index - 1) <= EXT_SIZE) { - if (udfLen == index + 1) + } if (curr == EXT_MARK && (udfLen - index - 1) <= EXT_SIZE) { + if (udfLen == index + 1) { hasExt = 0; - else { + } else { hasExt = 1; extIndex = index; newExtIndex = newIndex; @@ -437,23 +433,16 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, if (hasExt) { int maxFilenameLen; - for (index = 0; - index < EXT_SIZE && extIndex + index + 1 < udfLen; - index++) { + for(index = 0; index < EXT_SIZE && extIndex + index + 1 < udfLen; index++) { curr = udfName[extIndex + index + 1]; if (curr == '/' || curr == 0) { needsCRC = 1; curr = ILLEGAL_CHAR_MARK; - while (extIndex + index + 2 < udfLen - && (index + 1 < EXT_SIZE - && - (udfName - [extIndex + index + 2] == - '/' - || udfName[extIndex + - index + 2] == - 0))) + while(extIndex + index + 2 < udfLen && + (index + 1 < EXT_SIZE + && (udfName[extIndex + index + 2] == '/' || + udfName[extIndex + index + 2] == 0))) index++; } ext[localExtIndex++] = curr; @@ -463,8 +452,9 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, newIndex = maxFilenameLen; else newIndex = newExtIndex; - } else if (newIndex > 250) + } else if (newIndex > 250) { newIndex = 250; + } newName[newIndex++] = CRC_MARK; valueCRC = udf_crc(fidName, fidNameLen, 0); newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12]; @@ -478,5 +468,6 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, newName[newIndex++] = ext[index]; } } + return newIndex; } |