1 files changed, 2 insertions, 0 deletions

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 74f3de47423c..7b7c32c73a2c 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -185,6 +185,7 @@ static int __init init_btrfs_fs(void)
         err = btrfs_init_cachep();
         if (err)
                 return err;
+        extent_map_init();
         return register_filesystem(&btrfs_fs_type);
 }
 
@@ -192,6 +193,7 @@ static void __exit exit_btrfs_fs(void)
 {
         btrfs_exit_transaction_sys();
         btrfs_destroy_cachep();
+        extent_map_exit();
         unregister_filesystem(&btrfs_fs_type);
 }