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-rw-r--r--fs/btrfs/ctree.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 11f9a1848c7b..a57507aa6702 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -3613,6 +3613,19 @@ static int push_leaf_right(struct btrfs_trans_handle *trans, struct btrfs_root
if (left_nritems == 0)
goto out_unlock;
+ if (path->slots[0] == left_nritems && !empty) {
+ /* Key greater than all keys in the leaf, right neighbor has
+ * enough room for it and we're not emptying our leaf to delete
+ * it, therefore use right neighbor to insert the new item and
+ * no need to touch/dirty our left leaft. */
+ btrfs_tree_unlock(left);
+ free_extent_buffer(left);
+ path->nodes[0] = right;
+ path->slots[0] = 0;
+ path->slots[1]++;
+ return 0;
+ }
+
return __push_leaf_right(trans, root, path, min_data_size, empty,
right, free_space, left_nritems, min_slot);
out_unlock: