[XFS] implement generic xfs_btree_get_rec

Not really much reason to make it generic given that it's so small, but
this is the last non-method in xfs_alloc_btree.c and xfs_ialloc_btree.c,
so it makes the whole btree implementation more structured.

SGI-PV: 985583

SGI-Modid: xfs-linux-melb:xfs-kern:32206a

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>

1 files changed, 5 insertions, 0 deletions

diff --git a/fs/xfs/xfs_ialloc.h b/fs/xfs/xfs_ialloc.h
index 4026578bc264..c5745f6d94ec 100644
--- a/fs/xfs/xfs_ialloc.h
+++ b/fs/xfs/xfs_ialloc.h
@@ -168,6 +168,11 @@ int xfs_inobt_lookup_ge(struct xfs_btree_cur *cur, xfs_agino_t ino,
 int xfs_inobt_lookup_le(struct xfs_btree_cur *cur, xfs_agino_t ino,
                 __int32_t fcnt, xfs_inofree_t free, int *stat);
 
+/*
+ * Get the data from the pointed-to record.
+ */
+extern int xfs_inobt_get_rec(struct xfs_btree_cur *cur, xfs_agino_t *ino,
+                             __int32_t *fcnt, xfs_inofree_t *free, int *stat);
 
 #endif  /* __KERNEL__ */