1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 71ef0a2e2daa..a83cbdf1d8c4 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -217,7 +217,7 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans,
  * this uses that block instead of allocating a new one.  btrfs_alloc_reserved_extent
  * is used to finish the allocation.
  */
-int noinline __btrfs_cow_block(struct btrfs_trans_handle *trans,
+static int noinline __btrfs_cow_block(struct btrfs_trans_handle *trans,
                              struct btrfs_root *root,
                              struct extent_buffer *buf,
                              struct extent_buffer *parent, int parent_slot,