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[XFS] implement generic xfs_btree_delete/delrec

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Make the btree delete code generic. Based on a patch from David Chinner
with lots of changes to follow the original btree implementations more
closely. While this loses some of the generic helper routines for
inserting/moving/removing records it also solves some of the one off bugs
in the original code and makes it easier to verify.

SGI-PV: 985583

SGI-Modid: xfs-linux-melb:xfs-kern:32205a

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 16:58:01 +11:00
committed by Lachlan McIlroy
parent d4b3a4b7dd
commit 91cca5df9b
11 changed files with 723 additions and 1839 deletions
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3
fs/xfs/xfs_bmap_btree.h
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@@ -237,10 +237,7 @@ typedef struct xfs_btree_lblock xfs_bmbt_block_t;
* Prototypes for xfs_bmap.c to call.
*/
extern void xfs_bmdr_to_bmbt(xfs_bmdr_block_t *, int, xfs_bmbt_block_t *, int);
extern int xfs_bmbt_delete(struct xfs_btree_cur *, int *);
extern void xfs_bmbt_get_all(xfs_bmbt_rec_host_t *r, xfs_bmbt_irec_t *s);
extern xfs_bmbt_block_t *xfs_bmbt_get_block(struct xfs_btree_cur *cur,
int, struct xfs_buf **bpp);
extern xfs_filblks_t xfs_bmbt_get_blockcount(xfs_bmbt_rec_host_t *r);
extern xfs_fsblock_t xfs_bmbt_get_startblock(xfs_bmbt_rec_host_t *r);
extern xfs_fileoff_t xfs_bmbt_get_startoff(xfs_bmbt_rec_host_t *r);