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author | Al Viro <viro@zeniv.linux.org.uk> | 2013-05-16 05:17:58 (GMT) |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-06-29 08:56:28 (GMT) |
commit | 5f6039ce69605e40e9188437d8837a67f8056ec6 (patch) | |
tree | 21a8fa700bb528dc71c0ba7b4c0bc3206c76f3e9 /fs | |
parent | 01122e06885f4aa220e7a7a31ce25e4876d159f2 (diff) | |
download | linux-5f6039ce69605e40e9188437d8837a67f8056ec6.tar.xz |
[readdir] convert squashfs
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/squashfs/dir.c | 40 |
1 files changed, 12 insertions, 28 deletions
diff --git a/fs/squashfs/dir.c b/fs/squashfs/dir.c index 57dc70e..f7f527b 100644 --- a/fs/squashfs/dir.c +++ b/fs/squashfs/dir.c @@ -100,7 +100,7 @@ static int get_dir_index_using_offset(struct super_block *sb, } -static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir) +static int squashfs_readdir(struct file *file, struct dir_context *ctx) { struct inode *inode = file_inode(file); struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info; @@ -127,11 +127,11 @@ static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir) * It also means that the external f_pos is offset by 3 from the * on-disk directory f_pos. */ - while (file->f_pos < 3) { + while (ctx->pos < 3) { char *name; int i_ino; - if (file->f_pos == 0) { + if (ctx->pos == 0) { name = "."; size = 1; i_ino = inode->i_ino; @@ -141,24 +141,18 @@ static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir) i_ino = squashfs_i(inode)->parent; } - TRACE("Calling filldir(%p, %s, %d, %lld, %d, %d)\n", - dirent, name, size, file->f_pos, i_ino, - squashfs_filetype_table[1]); - - if (filldir(dirent, name, size, file->f_pos, i_ino, - squashfs_filetype_table[1]) < 0) { - TRACE("Filldir returned less than 0\n"); + if (!dir_emit(ctx, name, size, i_ino, + squashfs_filetype_table[1])) goto finish; - } - file->f_pos += size; + ctx->pos += size; } length = get_dir_index_using_offset(inode->i_sb, &block, &offset, squashfs_i(inode)->dir_idx_start, squashfs_i(inode)->dir_idx_offset, squashfs_i(inode)->dir_idx_cnt, - file->f_pos); + ctx->pos); while (length < i_size_read(inode)) { /* @@ -198,7 +192,7 @@ static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir) length += sizeof(*dire) + size; - if (file->f_pos >= length) + if (ctx->pos >= length) continue; dire->name[size] = '\0'; @@ -206,22 +200,12 @@ static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir) ((short) le16_to_cpu(dire->inode_number)); type = le16_to_cpu(dire->type); - TRACE("Calling filldir(%p, %s, %d, %lld, %x:%x, %d, %d)" - "\n", dirent, dire->name, size, - file->f_pos, - le32_to_cpu(dirh.start_block), - le16_to_cpu(dire->offset), - inode_number, - squashfs_filetype_table[type]); - - if (filldir(dirent, dire->name, size, file->f_pos, + if (!dir_emit(ctx, dire->name, size, inode_number, - squashfs_filetype_table[type]) < 0) { - TRACE("Filldir returned less than 0\n"); + squashfs_filetype_table[type])) goto finish; - } - file->f_pos = length; + ctx->pos = length; } } @@ -238,6 +222,6 @@ failed_read: const struct file_operations squashfs_dir_ops = { .read = generic_read_dir, - .readdir = squashfs_readdir, + .iterate = squashfs_readdir, .llseek = default_llseek, }; |