1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index cd75c906048f..03e1c4ad341b 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -333,6 +333,7 @@ struct btrfs_root {
         struct inode *inode;
         struct kobject root_kobj;
         struct completion kobj_unregister;
+        struct rw_semaphore snap_sem;
         u64 objectid;
         u64 last_trans;
         u32 blocksize;