Message ID | 1475237406-26917-11-git-send-email-famz@redhat.com |
---|---|
State | New |
Headers | show |
diff --git a/blockdev.c b/blockdev.c index 29c6561..a9a7dee 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3211,6 +3211,11 @@ static void do_drive_backup(DriveBackup *backup, BlockJobTxn *txn, Error **errp) } } if (backup->sync == MIRROR_SYNC_MODE_NONE) { + /* XXX: bs will be open second time as the backing file of target, + * disable image locking. Once block layer allows sharing backing BDS, + * change below to BDRV_O_NO_BACKING and assign it after bdrv_open(). + **/ + flags |= BDRV_O_NO_LOCK; source = bs; }