Re: [PATCH v2 2/2] block/xen-blkback: allow module to be cleanly unloaded

From: Roger Pau Monné
Date: Fri Nov 29 2019 - 10:08:07 EST


On Fri, Nov 29, 2019 at 03:02:37PM +0000, Durrant, Paul wrote:
> > -----Original Message-----
> > From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> > Sent: 29 November 2019 15:00
> > To: Durrant, Paul <pdurrant@xxxxxxxxxx>
> > Cc: linux-block@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; xen-
> > devel@xxxxxxxxxxxxxxxxxxxx; Konrad Rzeszutek Wilk
> > <konrad.wilk@xxxxxxxxxx>; Jens Axboe <axboe@xxxxxxxxx>
> > Subject: Re: [PATCH v2 2/2] block/xen-blkback: allow module to be cleanly
> > unloaded
> >
> > On Fri, Nov 29, 2019 at 01:43:06PM +0000, Paul Durrant wrote:
> > > Add a module_exit() to perform the necessary clean-up.
> > >
> > > Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx>
> >
> > LGTM:
> >
> > Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> >
>
> Thanks.
>
> > AFAICT we should make sure this is not committed before patch 1, or
> > else you could unload a blkback module that's still in use?
> >
>
> Yes, that's correct.

Given this is a very small change, and not really block related I
think it would be better for both patches to be committed from the Xen
tree, if Jens, Juergen and Boris agree.

Thanks, Roger.