Btrfs: insert_new_root: Fix lock type of the extent buffer.

btrfs_alloc_tree_block() returns an extent buffer on which a blocked lock has
been taken. Hence assign the appropriate value to path->locks[level].

Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index fdd8fb4c6075..993642199326 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -3380,7 +3380,7 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans,
         add_root_to_dirty_list(root);
         extent_buffer_get(c);
         path->nodes[level] = c;
-        path->locks[level] = BTRFS_WRITE_LOCK;
+        path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;
         path->slots[level] = 0;
         return 0;
 }