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authorChristoph Hellwig <hch@lst.de>2011-07-08 14:35:42 +0200
committerChristoph Hellwig <hch@lst.de>2011-07-08 14:35:42 +0200
commit0ba9cd84ef2af58645333a86f9c901684ab1fef6 (patch)
tree0c25f43b83bb77ceb44cf29d207a295ac0b77b31 /fs/xfs/xfs_dir2_leaf.c
parentc2066e2662070e794f57a96a129c42575e77cfcb (diff)
xfs: kill struct xfs_dir2_data
Remove the confusing xfs_dir2_data structure. It is supposed to describe an XFS dir2 data btree block, but due to the variable sized nature of almost all elements in it it can't actuall do anything close to that job. In addition to accessing the fixed offset header structure it was only used to get a pointer to the first dir or unused entry after it, which can be trivially replaced by pointer arithmetics on the header pointer. For most users that is actually more natural anyway, as they don't use a typed pointer but rather a character pointer for further arithmetics. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Alex Elder <aelder@sgi.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_dir2_leaf.c')
-rw-r--r--fs/xfs/xfs_dir2_leaf.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c
index d7b4d4494f2..067a6abdeab 100644
--- a/fs/xfs/xfs_dir2_leaf.c
+++ b/fs/xfs/xfs_dir2_leaf.c
@@ -785,7 +785,6 @@ xfs_dir2_leaf_getdents(
int byteoff; /* offset in current block */
xfs_dir2_db_t curdb; /* db for current block */
xfs_dir2_off_t curoff; /* current overall offset */
- xfs_dir2_data_t *data; /* data block structure */
xfs_dir2_data_hdr_t *hdr; /* data block header */
xfs_dir2_data_entry_t *dep; /* data entry */
xfs_dir2_data_unused_t *dup; /* unused entry */
@@ -1044,13 +1043,12 @@ xfs_dir2_leaf_getdents(
else if (curoff > newoff)
ASSERT(xfs_dir2_byte_to_db(mp, curoff) ==
curdb);
- data = bp->data;
- hdr = &data->hdr;
+ hdr = bp->data;
xfs_dir2_data_check(dp, bp);
/*
* Find our position in the block.
*/
- ptr = (char *)&data->u;
+ ptr = (char *)(hdr + 1);
byteoff = xfs_dir2_byte_to_off(mp, curoff);
/*
* Skip past the header.