We forget to enable it for transaction .prepare, while it is already enabled in do_drive_backup since commit a2d665c1bc362 "blockdev: loosen restrictions on drive-backup source node"
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> --- Hmm, I've to add John by hand, get_maintainer.pl don't report him. Shouldn't we include blockdev.c into Block Jobs in MAINTAINERS? It definitely related to block jobs. blockdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/blockdev.c b/blockdev.c index b5c0fd3c49..4ae81d687a 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1775,7 +1775,7 @@ static void drive_backup_prepare(BlkActionState *common, Error **errp) assert(common->action->type == TRANSACTION_ACTION_KIND_DRIVE_BACKUP); backup = common->action->u.drive_backup.data; - bs = qmp_get_root_bs(backup->device, errp); + bs = bdrv_lookup_bs(backup->device, backup->device, errp); if (!bs) { return; } -- 2.18.0