[XFS] add keys_inorder and recs_inorder btree methods

Add methods to check whether two keys/records are in the righ order. This
replaces the xfs_btree_check_key and xfs_btree_check_rec methods. For the
callers from xfs_bmap.c just opencode the bmbt-specific asserts.

SGI-PV: 985583

SGI-Modid: xfs-linux-melb:xfs-kern:32208a

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, 12 insertions, 24 deletions

diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
index d6cc71e31de5..25a488d4da18 100644
--- a/fs/xfs/xfs_btree.h
+++ b/fs/xfs/xfs_btree.h
@@ -229,6 +229,18 @@ struct xfs_btree_ops {
         __int64_t (*key_diff)(struct xfs_btree_cur *cur,
                               union xfs_btree_key *key);
 
+#ifdef DEBUG
+        /* check that k1 is lower than k2 */
+        int     (*keys_inorder)(struct xfs_btree_cur *cur,
+                                union xfs_btree_key *k1,
+                                union xfs_btree_key *k2);
+
+        /* check that r1 is lower than r2 */
+        int     (*recs_inorder)(struct xfs_btree_cur *cur,
+                                union xfs_btree_rec *r1,
+                                union xfs_btree_rec *r2);
+#endif
+
         /* btree tracing */
 #ifdef XFS_BTREE_TRACE
         void            (*trace_enter)(struct xfs_btree_cur *, const char *,
@@ -379,30 +391,6 @@ xfs_btree_check_ptr(
         int                     index,  /* offset from ptr to check */
         int                     level); /* btree block level */
 
-#ifdef DEBUG
-
-/*
- * Debug routine: check that keys are in the right order.
- */
-void
-xfs_btree_check_key(
-        xfs_btnum_t             btnum,  /* btree identifier */
-        void                    *ak1,   /* pointer to left (lower) key */
-        void                    *ak2);  /* pointer to right (higher) key */
-
-/*
- * Debug routine: check that records are in the right order.
- */
-void
-xfs_btree_check_rec(
-        xfs_btnum_t             btnum,  /* btree identifier */
-        void                    *ar1,   /* pointer to left (lower) record */
-        void                    *ar2);  /* pointer to right (higher) record */
-#else
-#define xfs_btree_check_key(a, b, c)
-#define xfs_btree_check_rec(a, b, c)
-#endif  /* DEBUG */
-
 /*
  * Delete the btree cursor.
  */