diff options
| author | Christoph Hellwig <hch@infradead.org> | 2008-10-30 16:57:16 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@sgi.com> | 2008-10-30 16:57:16 +1100 |
| commit | 344207ce8474b79be331eb93e6df4cb5bdd48ab2 (patch) | |
| tree | 7858f63c359e2695a6c368a73b078ff183345922 /fs/xfs/xfs_btree.h | |
| parent | f5eb8e7ca58bc1e92436614444006120d21668ba (diff) | |
[XFS] implement semi-generic xfs_btree_new_root
From: Dave Chinner <dgc@sgi.com>
Add a xfs_btree_new_root helper for the alloc and ialloc btrees. The bmap
btree needs it's own version and is not converted.
[hch: split out from bigger patch and minor adaptions]
SGI-PV: 985583
SGI-Modid: xfs-linux-melb:xfs-kern:32200a
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>
Diffstat (limited to 'fs/xfs/xfs_btree.h')
| -rw-r--r-- | fs/xfs/xfs_btree.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h index 354a6656fad..18015392feb 100644 --- a/fs/xfs/xfs_btree.h +++ b/fs/xfs/xfs_btree.h @@ -187,6 +187,10 @@ struct xfs_btree_ops { /* cursor operations */ struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *); + /* update btree root pointer */ + void (*set_root)(struct xfs_btree_cur *cur, + union xfs_btree_ptr *nptr, int level_change); + /* block allocation / freeing */ int (*alloc_block)(struct xfs_btree_cur *cur, union xfs_btree_ptr *start_bno, @@ -543,6 +547,7 @@ int xfs_btree_lshift(struct xfs_btree_cur *, int, int *); int xfs_btree_rshift(struct xfs_btree_cur *, int, int *); 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 *); /* * Helpers. |