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authorJan Kara <jack@suse.cz>2008-02-08 04:20:50 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 09:22:36 -0800
commitaf793295bf9ee92660f5e77d337b0493cea3f9b9 (patch)
tree139f7dd09dbfcae1f98c3af52638e94a52ed5560 /fs/udf/inode.c
parent32a8f24dd75c2be34606e77414afba7bc6b5b366 (diff)
udf: cleanup directory offset handling
Position in directory returned by readdir is offset of directory entry divided by four (don't ask me why). Make this conversion only when reading f_pos from userspace / writing it there and internally work in bytes. It makes things more easily readable and also fixes a bug (we forgot to divide length of the entry by 4 when advancing f_pos in udf_add_entry()). Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/inode.c')
-rw-r--r--fs/udf/inode.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 3483274fb5b..f792681f2f7 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -219,8 +219,8 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
struct extent_position epos;
struct udf_fileident_bh sfibh, dfibh;
- loff_t f_pos = udf_ext0_offset(inode) >> 2;
- int size = (udf_ext0_offset(inode) + inode->i_size) >> 2;
+ loff_t f_pos = udf_ext0_offset(inode);
+ int size = udf_ext0_offset(inode) + inode->i_size;
struct fileIdentDesc cfi, *sfi, *dfi;
struct udf_inode_info *iinfo = UDF_I(inode);
@@ -256,11 +256,11 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
mark_buffer_dirty_inode(dbh, inode);
sfibh.soffset = sfibh.eoffset =
- (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2;
+ f_pos & (inode->i_sb->s_blocksize - 1);
sfibh.sbh = sfibh.ebh = NULL;
dfibh.soffset = dfibh.eoffset = 0;
dfibh.sbh = dfibh.ebh = dbh;
- while ((f_pos < size)) {
+ while (f_pos < size) {
iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL,
NULL, NULL, NULL);