Re: [PATCH] virtiofs: Enable multiple request queues

From: Stefan Hajnoczi
Date: Tue May 11 2021 - 06:23:26 EST


On Fri, May 07, 2021 at 05:15:27PM -0500, Connor Kuehl wrote:
> @@ -1245,7 +1262,8 @@ __releases(fiq->lock)
> req->in.h.nodeid, req->in.h.len,
> fuse_len_args(req->args->out_numargs, req->args->out_args));
>
> - fsvq = &fs->vqs[queue_id];
> + fsvq = this_cpu_read(this_cpu_fsvq);

Please check how CPU hotplug affects this patch. If the current CPU
doesn't have a vq because it was hotplugged, then it may be necessary to
pick another vq.

Stefan

Attachment: signature.asc
Description: PGP signature