Current code assumes that only write requests are ever going to be restarted.
This is wrong since rerror=stop exists. Instead of directly starting writes,
use the same request processing as used for new requests.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
{
VirtIOBlock *s = opaque;
VirtIOBlockReq *req = s->rq;
+ MultiReqBuffer mrb = {
+ .num_writes = 0,
+ .old_bs = NULL,
+ };
qemu_bh_delete(s->bh);
s->bh = NULL;
s->rq = NULL;
while (req) {
- bdrv_aio_writev(req->dev->bs, req->out->sector, &req->qiov,
- req->qiov.size / 512, virtio_blk_rw_complete, req);
+ virtio_blk_handle_request(req, &mrb);
req = req->next;
}
+
+ if (mrb.num_writes > 0) {
+ do_multiwrite(mrb.old_bs, mrb.blkreq, mrb.num_writes);
+ }
}
static void virtio_blk_dma_restart_cb(void *opaque, int running, int reason)