1 files changed, 12 insertions, 1 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c4e673a94426..1cd325765aaa 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -559,7 +559,15 @@ static noinline int check_leaf(struct btrfs_root *root,
         u32 nritems = btrfs_header_nritems(leaf);
         int slot;
 
-        if (nritems == 0) {
+        /*
+         * Extent buffers from a relocation tree have a owner field that
+         * corresponds to the subvolume tree they are based on. So just from an
+         * extent buffer alone we can not find out what is the id of the
+         * corresponding subvolume tree, so we can not figure out if the extent
+         * buffer corresponds to the root of the relocation tree or not. So skip
+         * this check for relocation trees.
+         */
+        if (nritems == 0 && !btrfs_header_flag(leaf, BTRFS_HEADER_FLAG_RELOC)) {
                 struct btrfs_root *check_root;
 
                 key.objectid = btrfs_header_owner(leaf);
@@ -587,6 +595,9 @@ static noinline int check_leaf(struct btrfs_root *root,
                 return 0;
         }
 
+        if (nritems == 0)
+                return 0;
+
         /* Check the 0 item */
         if (btrfs_item_offset_nr(leaf, 0) + btrfs_item_size_nr(leaf, 0) !=
             BTRFS_LEAF_DATA_SIZE(root)) {