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[XFS] implement generic xfs_btree_lookup

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From: Dave Chinner <dgc@sgi.com>

[hch: split out from bigger patch and minor adaptions]

SGI-PV: 985583

SGI-Modid: xfs-linux-melb:xfs-kern:32192a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Bill O'Donnell <billodo@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig
2008-10-30 16:56:09 +11:00
committed by Lachlan McIlroy
parent 8df4da4a0a
commit fe033cc848
12 changed files with 487 additions and 735 deletions
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20
fs/xfs/xfs_ialloc_btree.h
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@@ -135,26 +135,6 @@ extern int xfs_inobt_get_rec(struct xfs_btree_cur *cur, xfs_agino_t *ino,
*/
extern int xfs_inobt_insert(struct xfs_btree_cur *cur, int *stat);
/*
* Lookup the record equal to ino in the btree given by cur.
*/
extern int xfs_inobt_lookup_eq(struct xfs_btree_cur *cur, xfs_agino_t ino,
__int32_t fcnt, xfs_inofree_t free, int *stat);
/*
* Lookup the first record greater than or equal to ino
* in the btree given by cur.
*/
extern int xfs_inobt_lookup_ge(struct xfs_btree_cur *cur, xfs_agino_t ino,
__int32_t fcnt, xfs_inofree_t free, int *stat);
/*
* Lookup the first record less than or equal to ino
* in the btree given by cur.
*/
extern int xfs_inobt_lookup_le(struct xfs_btree_cur *cur, xfs_agino_t ino,
__int32_t fcnt, xfs_inofree_t free, int *stat);
/*
* Update the record referred to by cur, to the value given
* by [ino, fcnt, free].