Re: [PATCH v5 0/4] virtio-fs: shared file system for virtual machines

From: Miklos Szeredi
Date: Thu Sep 12 2019 - 03:35:06 EST

On Wed, Sep 11, 2019 at 4:53 PM Vivek Goyal <vgoyal@xxxxxxxxxx> wrote:
> On Tue, Sep 10, 2019 at 05:12:02PM +0200, Miklos Szeredi wrote:
> > Git tree for this version is available here:
> >
> > git://
> >
> > Only post patches that actually add virtiofs (virtiofs-v5-base..virtiofs-v5).
> >
> > I've folded the series from Vivek and fixed a couple of TODO comments
> > myself. AFAICS two issues remain that need to be resolved in the short
> > term, one way or the other: freeze/restore and full virtqueue.
> Hi Miklos,
> We are already handling full virtqueue by waiting a bit and retrying.
> I think TODO in virtio_fs_enqueue_req() is stale. Caller already
> handles virtqueue full situation by retrying.


> Havind said that, this could be improved by using some sort of wait
> queue or completion privimitve.

Yeah, the request queuing can be cleaned up in several ways. But I
think that we might postpone that till after merging with mainline.