On Tue, Mar 15, 2022 at 9:48 PM Stefan Hajnoczi wrote:
>
> On Tue, Feb 15, 2022 at 06:59:43PM +0800, Xie Yongji wrote:
> > +static int vduse_queue_inflight_get(VduseVirtq *vq, int desc_idx)
> > +{
> > +vq->log->inflight.desc[desc_idx].counter = vq->counter++;
> > +vq->log->inflight.desc[de
On Tue, Feb 15, 2022 at 06:59:43PM +0800, Xie Yongji wrote:
> +static int vduse_queue_inflight_get(VduseVirtq *vq, int desc_idx)
> +{
> +vq->log->inflight.desc[desc_idx].counter = vq->counter++;
> +vq->log->inflight.desc[desc_idx].inflight = 1;
Is a barrier needed between these two lines t
To support reconnecting after restart or crash, VDUSE backend
might need to resubmit inflight I/Os. This stores the metadata
such as the index of inflight I/O's descriptors to a shm file so
that VDUSE backend can restore them during reconnecting.
Signed-off-by: Xie Yongji
---
block/export/vduse-
