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[XFS] move xfs_bmbt_killroot to common code

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xfs_bmbt_killroot is a mostly generic implementation of moving from a real
block based root to an inode based root. So move it to xfs_btree.c where
it can use all the nice infrastructure there and make it pointer size
agnostic

The new name for it is xfs_btree_kill_iroot, following the old naming but
making it clear we're dealing with the root in inode case here, and to
avoid confusion with xfs_btree_new_root which is used for the not inode
rooted case. I've also added a comment describing what it does and why
it's named the way it is.

SGI-PV: 985583

SGI-Modid: xfs-linux-melb:xfs-kern:32203a

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 16:57:51 +11:00
committed by Lachlan McIlroy
parent 4b22a57188
commit d4b3a4b7dd
5 changed files with 185 additions and 94 deletions
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2
fs/xfs/xfs_btree.h
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@@ -198,6 +198,7 @@ struct xfs_btree_ops {
union xfs_btree_ptr *start_bno,
union xfs_btree_ptr *new_bno,
int length, int *stat);
int (*free_block)(struct xfs_btree_cur *cur, struct xfs_buf *bp);
/* update last record information */
void (*update_lastrec)(struct xfs_btree_cur *cur,
@@ -559,6 +560,7 @@ int xfs_btree_split(struct xfs_btree_cur *, int, union xfs_btree_ptr *,
union xfs_btree_key *, struct xfs_btree_cur **, int *);
int xfs_btree_new_root(struct xfs_btree_cur *, int *);
int xfs_btree_new_iroot(struct xfs_btree_cur *, int *, int *);
int xfs_btree_kill_iroot(struct xfs_btree_cur *);
int xfs_btree_insert(struct xfs_btree_cur *, int *);
/*