Thread (8 messages) flat view 8 messages, 4 authors, 2021-05-11

Re: [PATCH] virtiofs: Enable multiple request queues

From: Connor Kuehl <hidden>
Date: 2021-05-11 14:42:05
Also in: linux-fsdevel, lkml

On 5/11/21 5:23 AM, Stefan Hajnoczi wrote:
On Fri, May 07, 2021 at 05:15:27PM -0500, Connor Kuehl wrote:
quoted
@@ -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.
I'll fix this in the next revision.

Thanks,

Connor

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