1 files changed, 14 insertions, 4 deletions

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index fb260bbf59c..f8b803f30ed 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -854,10 +854,10 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
 
         btrfs_wait_ordered_extents(root, 0);
 
-        trans = btrfs_join_transaction_freeze(root);
+        trans = btrfs_attach_transaction(root);
         if (IS_ERR(trans)) {
-                /* Frozen, don't bother */
-                if (PTR_ERR(trans) == -EPERM)
+                /* no transaction, don't bother */
+                if (PTR_ERR(trans) == -ENOENT)
                         return 0;
                 return PTR_ERR(trans);
         }
@@ -1511,7 +1511,17 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd,
 
 static int btrfs_freeze(struct super_block *sb)
 {
-        return 0;
+        struct btrfs_trans_handle *trans;
+        struct btrfs_root *root = btrfs_sb(sb)->tree_root;
+
+        trans = btrfs_attach_transaction(root);
+        if (IS_ERR(trans)) {
+                /* no transaction, don't bother */
+                if (PTR_ERR(trans) == -ENOENT)
+                        return 0;
+                return PTR_ERR(trans);
+        }
+        return btrfs_commit_transaction(trans, root);
 }
 
 static int btrfs_unfreeze(struct super_block *sb)