diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index a4cb4b642987..1967462e2021 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -2089,7 +2089,7 @@ int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 		      int ins_len, int cow)
 {
 	struct btrfs_fs_info *fs_info = root->fs_info;
-	struct extent_buffer *b;
+	struct extent_buffer *b, *rb;
 	int slot;
 	int ret;
 	int err;
@@ -2100,6 +2100,7 @@ int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 	u8 lowest_level = 0;
 	int min_write_lock_level;
 	int prev_cmp;
+	int root_level;
 
 	might_sleep();
 
@@ -2157,6 +2158,8 @@ int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 		goto done;
 	}
 
+	root_level = btrfs_header_level(b);
+	rb = b;
 	while (b) {
 		int dec = 0;
 
@@ -2299,6 +2302,12 @@ int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 						goto done;
 					}
 				} else {
+					if (p->locks[root_level] &&
+					    down_read_trylock(&rb->lock)) {
+						up_read(&rb->lock);
+						p->locks[root_level] = 0;
+						goto again;
+					}
 					btrfs_tree_read_lock(b);
 				}
 				p->locks[level] = BTRFS_READ_LOCK;