1 files changed, 27 insertions, 0 deletions

diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c
index 9f4e33c945c2..dcd4a956e73c 100644
--- a/fs/xfs/xfs_ialloc_btree.c
+++ b/fs/xfs/xfs_ialloc_btree.c
@@ -219,6 +219,28 @@ xfs_inobt_kill_root(
         return 0;
 }
 
+#ifdef DEBUG
+STATIC int
+xfs_inobt_keys_inorder(
+        struct xfs_btree_cur    *cur,
+        union xfs_btree_key     *k1,
+        union xfs_btree_key     *k2)
+{
+        return be32_to_cpu(k1->inobt.ir_startino) <
+                be32_to_cpu(k2->inobt.ir_startino);
+}
+
+STATIC int
+xfs_inobt_recs_inorder(
+        struct xfs_btree_cur    *cur,
+        union xfs_btree_rec     *r1,
+        union xfs_btree_rec     *r2)
+{
+        return be32_to_cpu(r1->inobt.ir_startino) + XFS_INODES_PER_CHUNK <=
+                be32_to_cpu(r2->inobt.ir_startino);
+}
+#endif  /* DEBUG */
+
 #ifdef XFS_BTREE_TRACE
 ktrace_t        *xfs_inobt_trace_buf;
 
@@ -302,6 +324,11 @@ static const struct xfs_btree_ops xfs_inobt_ops = {
         .init_ptr_from_cur      = xfs_inobt_init_ptr_from_cur,
         .key_diff               = xfs_inobt_key_diff,
 
+#ifdef DEBUG
+        .keys_inorder           = xfs_inobt_keys_inorder,
+        .recs_inorder           = xfs_inobt_recs_inorder,
+#endif
+
 #ifdef XFS_BTREE_TRACE
         .trace_enter            = xfs_inobt_trace_enter,
         .trace_cursor           = xfs_inobt_trace_cursor,