On Thu, Dec 9, 2021 at 1:35 AM <[email protected]> wrote:
>
> On 12/7/21 9:53 PM, Jason Wang wrote:
> > On Tue, Dec 7, 2021 at 10:45 AM Mike Christie
> > <[email protected]> wrote:
> >>
> >> From: Andrey Ryabinin <[email protected]>
> >>
> >> vhost_vsock_flush() calls vhost_work_dev_flush(vsock->vqs[i].poll.dev)
> >> before vhost_work_dev_flush(&vsock->dev). This seems pointless
> >> as vsock->vqs[i].poll.dev is the same as &vsock->dev and several flushes
> >> in a row doesn't do anything useful, one is just enough.
> >>
> >> Signed-off-by: Andrey Ryabinin <[email protected]>
> >> Reviewed-by: Stefano Garzarella <[email protected]>
> >> Signed-off-by: Mike Christie <[email protected]>
> >> ---
> >>  drivers/vhost/vsock.c | 5 -----
> >>  1 file changed, 5 deletions(-)
> >>
> >> diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
> >> index 2339587bcd31..1f38160b249d 100644
> >> --- a/drivers/vhost/vsock.c
> >> +++ b/drivers/vhost/vsock.c
> >> @@ -703,11 +703,6 @@ static int vhost_vsock_dev_open(struct inode *inode, 
> >> struct file *file)
> >>
> >>  static void vhost_vsock_flush(struct vhost_vsock *vsock)
> >>  {
> >> -       int i;
> >> -
> >> -       for (i = 0; i < ARRAY_SIZE(vsock->vqs); i++)
> >> -               if (vsock->vqs[i].handle_kick)
> >> -                       vhost_work_dev_flush(vsock->vqs[i].poll.dev);
> >>         vhost_work_dev_flush(&vsock->dev);
> >>  }
> >
> > Is this better to be consistent with vhost-net so that we can simply
> > remove the vhost_vsock_flush() wrapper here.
> >
>
> I didn't understand that comment.
>
> Did you mean consistent as they both have vhost_vsock/net_flush functions
> or as in they prefer to not have one line wrappers?
>
> Before and after this patchset, both net and vsock have a 
> vhost_vsock/net_flush
> function, so maybe you didn't mean that.
>
> I think the wrapper is not very useful and could be removed. However,
> I thought vsock preferred wrappers because we have vhost_vsock_free
> which is just a wrapper around kfree. I also noticed test.c is a
> fan of one line wrappers, but I see net and scsi do not do that.

Ok, then I'm fine with this.

Thanks

>

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