diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 48aabb367f7307816988d5e5a95c430d890a864e..5eefd77bafc779ace09f357fbab7a3bc18bad814 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1364,12 +1364,8 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans,
 	 * enabled. If this check races with the ioctl, rescan will
 	 * kick in anyway.
 	 */
-	mutex_lock(&fs_info->qgroup_ioctl_lock);
-	if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) {
-		mutex_unlock(&fs_info->qgroup_ioctl_lock);
+	if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags))
 		return 0;
-	}
-	mutex_unlock(&fs_info->qgroup_ioctl_lock);
 
 	/*
 	 * We are going to commit transaction, see btrfs_commit_transaction()