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[XFS] implement generic xfs_btree_decrement

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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:32191a

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 16:55:58 +11:00
committed by Lachlan McIlroy
parent 637aa50f46
commit 8df4da4a0a
11 changed files with 137 additions and 292 deletions
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6
fs/xfs/xfs_ialloc_btree.h
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@@ -116,12 +116,6 @@ typedef struct xfs_btree_sblock xfs_inobt_block_t;
(XFS_BTREE_PTR_ADDR(xfs_inobt, bb, \
i, XFS_INOBT_BLOCK_MAXRECS(1, cur)))
/*
* Decrement cursor by one record at the level.
* For nonzero levels the leaf-ward information is untouched.
*/
extern int xfs_inobt_decrement(struct xfs_btree_cur *cur, int level, int *stat);
/*
* Delete the record pointed to by cur.
* The cursor refers to the place where the record was (could be inserted)