diff --git a/[refs] b/[refs]
index b9e9bedec51f..6c1ded2ad702 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f46b5a66b3316ef2f8febfe4c56e2d555e2c3979
+refs/heads/master: df5b5520b21d8a2554ede65c09b288833c77144d
diff --git a/trunk/fs/btrfs/ioctl.c b/trunk/fs/btrfs/ioctl.c
index da8de6cfdb5a..6fb455802759 100644
--- a/trunk/fs/btrfs/ioctl.c
+++ b/trunk/fs/btrfs/ioctl.c
@@ -706,6 +706,9 @@ long btrfs_ioctl_trans_start(struct file *file)
 	struct btrfs_trans_handle *trans;
 	int ret = 0;
 
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
 	mutex_lock(&root->fs_info->fs_mutex);
 	if (file->private_data) {
 		ret = -EINPROGRESS;