On Fri, Sep 25, 2015 at 02:17:36PM +0800, Wen Congyang wrote: > + /* start backup job now */ > + bdrv_op_unblock(s->hidden_disk, BLOCK_OP_TYPE_BACKUP_TARGET, > + s->active_disk->backing_blocker); > + bdrv_op_unblock(s->secondary_disk, BLOCK_OP_TYPE_BACKUP_SOURCE, > + s->hidden_disk->backing_blocker);
Why is it safe to unblock these operations? Why do they have to be blocked for non-replication users? Stefan
