diff options
Diffstat (limited to 'fs/udf/balloc.c')
-rw-r--r-- | fs/udf/balloc.c | 164 |
1 files changed, 74 insertions, 90 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index 1b809bd4..e48e9a3 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -87,12 +87,12 @@ static int read_block_bitmap(struct super_block *sb, { struct buffer_head *bh = NULL; int retval = 0; - kernel_lb_addr loc; + struct kernel_lb_addr loc; loc.logicalBlockNum = bitmap->s_extPosition; loc.partitionReferenceNum = UDF_SB(sb)->s_partition; - bh = udf_tread(sb, udf_get_lb_pblock(sb, loc, block)); + bh = udf_tread(sb, udf_get_lb_pblock(sb, &loc, block)); if (!bh) retval = -EIO; @@ -140,27 +140,29 @@ static inline int load_block_bitmap(struct super_block *sb, return slot; } -static bool udf_add_free_space(struct udf_sb_info *sbi, - u16 partition, u32 cnt) +static void udf_add_free_space(struct super_block *sb, u16 partition, u32 cnt) { + struct udf_sb_info *sbi = UDF_SB(sb); struct logicalVolIntegrityDesc *lvid; - if (sbi->s_lvid_bh == NULL) - return false; + if (!sbi->s_lvid_bh) + return; lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data; le32_add_cpu(&lvid->freeSpaceTable[partition], cnt); - return true; + udf_updated_lvid(sb); } static void udf_bitmap_free_blocks(struct super_block *sb, struct inode *inode, struct udf_bitmap *bitmap, - kernel_lb_addr bloc, uint32_t offset, + struct kernel_lb_addr *bloc, + uint32_t offset, uint32_t count) { struct udf_sb_info *sbi = UDF_SB(sb); struct buffer_head *bh = NULL; + struct udf_part_map *partmap; unsigned long block; unsigned long block_group; unsigned long bit; @@ -169,17 +171,17 @@ static void udf_bitmap_free_blocks(struct super_block *sb, unsigned long overflow; mutex_lock(&sbi->s_alloc_mutex); - if (bloc.logicalBlockNum < 0 || - (bloc.logicalBlockNum + count) > - sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) { + partmap = &sbi->s_partmaps[bloc->partitionReferenceNum]; + if (bloc->logicalBlockNum < 0 || + (bloc->logicalBlockNum + count) > + partmap->s_partition_len) { udf_debug("%d < %d || %d + %d > %d\n", - bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, - sbi->s_partmaps[bloc.partitionReferenceNum]. - s_partition_len); + bloc->logicalBlockNum, 0, bloc->logicalBlockNum, + count, partmap->s_partition_len); goto error_return; } - block = bloc.logicalBlockNum + offset + + block = bloc->logicalBlockNum + offset + (sizeof(struct spaceBitmapDesc) << 3); do { @@ -206,8 +208,8 @@ static void udf_bitmap_free_blocks(struct super_block *sb, ((char *)bh->b_data)[(bit + i) >> 3]); } else { if (inode) - DQUOT_FREE_BLOCK(inode, 1); - udf_add_free_space(sbi, sbi->s_partition, 1); + vfs_dq_free_block(inode, 1); + udf_add_free_space(sb, sbi->s_partition, 1); } } mark_buffer_dirty(bh); @@ -218,9 +220,6 @@ static void udf_bitmap_free_blocks(struct super_block *sb, } while (overflow); error_return: - sb->s_dirt = 1; - if (sbi->s_lvid_bh) - mark_buffer_dirty(sbi->s_lvid_bh); mutex_unlock(&sbi->s_alloc_mutex); } @@ -261,11 +260,11 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb, while (bit < (sb->s_blocksize << 3) && block_count > 0) { if (!udf_test_bit(bit, bh->b_data)) goto out; - else if (DQUOT_PREALLOC_BLOCK(inode, 1)) + else if (vfs_dq_prealloc_block(inode, 1)) goto out; else if (!udf_clear_bit(bit, bh->b_data)) { udf_debug("bit already cleared for block %d\n", bit); - DQUOT_FREE_BLOCK(inode, 1); + vfs_dq_free_block(inode, 1); goto out; } block_count--; @@ -277,9 +276,7 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb, } while (block_count > 0); out: - if (udf_add_free_space(sbi, partition, -alloc_count)) - mark_buffer_dirty(sbi->s_lvid_bh); - sb->s_dirt = 1; + udf_add_free_space(sb, partition, -alloc_count); mutex_unlock(&sbi->s_alloc_mutex); return alloc_count; } @@ -393,7 +390,7 @@ got_block: /* * Check quota for allocation of this block. */ - if (inode && DQUOT_ALLOC_BLOCK(inode, 1)) { + if (inode && vfs_dq_alloc_block(inode, 1)) { mutex_unlock(&sbi->s_alloc_mutex); *err = -EDQUOT; return 0; @@ -409,9 +406,7 @@ got_block: mark_buffer_dirty(bh); - if (udf_add_free_space(sbi, partition, -1)) - mark_buffer_dirty(sbi->s_lvid_bh); - sb->s_dirt = 1; + udf_add_free_space(sb, partition, -1); mutex_unlock(&sbi->s_alloc_mutex); *err = 0; return newblock; @@ -425,26 +420,28 @@ error_return: static void udf_table_free_blocks(struct super_block *sb, struct inode *inode, struct inode *table, - kernel_lb_addr bloc, uint32_t offset, + struct kernel_lb_addr *bloc, + uint32_t offset, uint32_t count) { struct udf_sb_info *sbi = UDF_SB(sb); + struct udf_part_map *partmap; uint32_t start, end; uint32_t elen; - kernel_lb_addr eloc; + struct kernel_lb_addr eloc; struct extent_position oepos, epos; int8_t etype; int i; struct udf_inode_info *iinfo; mutex_lock(&sbi->s_alloc_mutex); - if (bloc.logicalBlockNum < 0 || - (bloc.logicalBlockNum + count) > - sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) { + partmap = &sbi->s_partmaps[bloc->partitionReferenceNum]; + if (bloc->logicalBlockNum < 0 || + (bloc->logicalBlockNum + count) > + partmap->s_partition_len) { udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, - sbi->s_partmaps[bloc.partitionReferenceNum]. - s_partition_len); + partmap->s_partition_len); goto error_return; } @@ -452,12 +449,11 @@ static void udf_table_free_blocks(struct super_block *sb, /* We do this up front - There are some error conditions that could occure, but.. oh well */ if (inode) - DQUOT_FREE_BLOCK(inode, count); - if (udf_add_free_space(sbi, sbi->s_partition, count)) - mark_buffer_dirty(sbi->s_lvid_bh); + vfs_dq_free_block(inode, count); + udf_add_free_space(sb, sbi->s_partition, count); - start = bloc.logicalBlockNum + offset; - end = bloc.logicalBlockNum + offset + count - 1; + start = bloc->logicalBlockNum + offset; + end = bloc->logicalBlockNum + offset + count - 1; epos.offset = oepos.offset = sizeof(struct unallocSpaceEntry); elen = 0; @@ -483,7 +479,7 @@ static void udf_table_free_blocks(struct super_block *sb, start += count; count = 0; } - udf_write_aext(table, &oepos, eloc, elen, 1); + udf_write_aext(table, &oepos, &eloc, elen, 1); } else if (eloc.logicalBlockNum == (end + 1)) { if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) { @@ -502,7 +498,7 @@ static void udf_table_free_blocks(struct super_block *sb, end -= count; count = 0; } - udf_write_aext(table, &oepos, eloc, elen, 1); + udf_write_aext(table, &oepos, &eloc, elen, 1); } if (epos.bh != oepos.bh) { @@ -532,8 +528,8 @@ static void udf_table_free_blocks(struct super_block *sb, */ int adsize; - short_ad *sad = NULL; - long_ad *lad = NULL; + struct short_ad *sad = NULL; + struct long_ad *lad = NULL; struct allocExtDesc *aed; eloc.logicalBlockNum = start; @@ -541,9 +537,9 @@ static void udf_table_free_blocks(struct super_block *sb, (count << sb->s_blocksize_bits); if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) - adsize = sizeof(short_ad); + adsize = sizeof(struct short_ad); else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) - adsize = sizeof(long_ad); + adsize = sizeof(struct long_ad); else { brelse(oepos.bh); brelse(epos.bh); @@ -563,7 +559,7 @@ static void udf_table_free_blocks(struct super_block *sb, elen -= sb->s_blocksize; epos.bh = udf_tread(sb, - udf_get_lb_pblock(sb, epos.block, 0)); + udf_get_lb_pblock(sb, &epos.block, 0)); if (!epos.bh) { brelse(oepos.bh); goto error_return; @@ -601,15 +597,15 @@ static void udf_table_free_blocks(struct super_block *sb, if (sbi->s_udfrev >= 0x0200) udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1, epos.block.logicalBlockNum, - sizeof(tag)); + sizeof(struct tag)); else udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, 1, epos.block.logicalBlockNum, - sizeof(tag)); + sizeof(struct tag)); switch (iinfo->i_alloc_type) { case ICBTAG_FLAG_AD_SHORT: - sad = (short_ad *)sptr; + sad = (struct short_ad *)sptr; sad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | sb->s_blocksize); @@ -617,7 +613,7 @@ static void udf_table_free_blocks(struct super_block *sb, cpu_to_le32(epos.block.logicalBlockNum); break; case ICBTAG_FLAG_AD_LONG: - lad = (long_ad *)sptr; + lad = (struct long_ad *)sptr; lad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | sb->s_blocksize); @@ -635,7 +631,7 @@ static void udf_table_free_blocks(struct super_block *sb, /* It's possible that stealing the block emptied the extent */ if (elen) { - udf_write_aext(table, &epos, eloc, elen, 1); + udf_write_aext(table, &epos, &eloc, elen, 1); if (!epos.bh) { iinfo->i_lenAlloc += adsize; @@ -653,7 +649,6 @@ static void udf_table_free_blocks(struct super_block *sb, brelse(oepos.bh); error_return: - sb->s_dirt = 1; mutex_unlock(&sbi->s_alloc_mutex); return; } @@ -666,7 +661,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb, struct udf_sb_info *sbi = UDF_SB(sb); int alloc_count = 0; uint32_t elen, adsize; - kernel_lb_addr eloc; + struct kernel_lb_addr eloc; struct extent_position epos; int8_t etype = -1; struct udf_inode_info *iinfo; @@ -677,9 +672,9 @@ static int udf_table_prealloc_blocks(struct super_block *sb, iinfo = UDF_I(table); if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) - adsize = sizeof(short_ad); + adsize = sizeof(struct short_ad); else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) - adsize = sizeof(long_ad); + adsize = sizeof(struct long_ad); else return 0; @@ -700,14 +695,14 @@ static int udf_table_prealloc_blocks(struct super_block *sb, epos.offset -= adsize; alloc_count = (elen >> sb->s_blocksize_bits); - if (inode && DQUOT_PREALLOC_BLOCK(inode, + if (inode && vfs_dq_prealloc_block(inode, alloc_count > block_count ? block_count : alloc_count)) alloc_count = 0; 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, + udf_write_aext(table, &epos, &eloc, (etype << 30) | elen, 1); } else udf_delete_aext(table, epos, eloc, @@ -718,10 +713,8 @@ static int udf_table_prealloc_blocks(struct super_block *sb, brelse(epos.bh); - if (alloc_count && udf_add_free_space(sbi, partition, -alloc_count)) { - mark_buffer_dirty(sbi->s_lvid_bh); - sb->s_dirt = 1; - } + if (alloc_count) + udf_add_free_space(sb, partition, -alloc_count); mutex_unlock(&sbi->s_alloc_mutex); return alloc_count; } @@ -735,7 +728,7 @@ static int udf_table_new_block(struct super_block *sb, uint32_t spread = 0xFFFFFFFF, nspread = 0xFFFFFFFF; uint32_t newblock = 0, adsize; uint32_t elen, goal_elen = 0; - kernel_lb_addr eloc, uninitialized_var(goal_eloc); + struct kernel_lb_addr eloc, uninitialized_var(goal_eloc); struct extent_position epos, goal_epos; int8_t etype; struct udf_inode_info *iinfo = UDF_I(table); @@ -743,9 +736,9 @@ static int udf_table_new_block(struct super_block *sb, *err = -ENOSPC; if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) - adsize = sizeof(short_ad); + adsize = sizeof(struct short_ad); else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) - adsize = sizeof(long_ad); + adsize = sizeof(struct long_ad); else return newblock; @@ -806,7 +799,7 @@ static int udf_table_new_block(struct super_block *sb, goal_eloc.logicalBlockNum++; goal_elen -= sb->s_blocksize; - if (inode && DQUOT_ALLOC_BLOCK(inode, 1)) { + if (inode && vfs_dq_alloc_block(inode, 1)) { brelse(goal_epos.bh); mutex_unlock(&sbi->s_alloc_mutex); *err = -EDQUOT; @@ -814,46 +807,37 @@ static int udf_table_new_block(struct super_block *sb, } if (goal_elen) - udf_write_aext(table, &goal_epos, goal_eloc, goal_elen, 1); + udf_write_aext(table, &goal_epos, &goal_eloc, goal_elen, 1); else udf_delete_aext(table, goal_epos, goal_eloc, goal_elen); brelse(goal_epos.bh); - if (udf_add_free_space(sbi, partition, -1)) - mark_buffer_dirty(sbi->s_lvid_bh); + udf_add_free_space(sb, partition, -1); - sb->s_dirt = 1; mutex_unlock(&sbi->s_alloc_mutex); *err = 0; return newblock; } -inline void udf_free_blocks(struct super_block *sb, - struct inode *inode, - kernel_lb_addr bloc, uint32_t offset, - uint32_t count) +void udf_free_blocks(struct super_block *sb, struct inode *inode, + struct kernel_lb_addr *bloc, uint32_t offset, + uint32_t count) { - uint16_t partition = bloc.partitionReferenceNum; + uint16_t partition = bloc->partitionReferenceNum; struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { - return udf_bitmap_free_blocks(sb, inode, - map->s_uspace.s_bitmap, - bloc, offset, count); + udf_bitmap_free_blocks(sb, inode, map->s_uspace.s_bitmap, + bloc, offset, count); } else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) { - return udf_table_free_blocks(sb, inode, - map->s_uspace.s_table, - bloc, offset, count); + udf_table_free_blocks(sb, inode, map->s_uspace.s_table, + bloc, offset, count); } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) { - return udf_bitmap_free_blocks(sb, inode, - map->s_fspace.s_bitmap, - bloc, offset, count); + udf_bitmap_free_blocks(sb, inode, map->s_fspace.s_bitmap, + bloc, offset, count); } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) { - return udf_table_free_blocks(sb, inode, - map->s_fspace.s_table, - bloc, offset, count); - } else { - return; + udf_table_free_blocks(sb, inode, map->s_fspace.s_table, + bloc, offset, count); } } |