Re: [PATCH 17/24] rbd: use set_capacity_and_notify

[Jinpu Wang <jinpu.wang@xxxxxxxxxxxxxxx>]

On Wed, Nov 11, 2020 at 10:55 AM Ilya Dryomov <idryomov@xxxxxxxxx> wrote:
>
> On Wed, Nov 11, 2020 at 9:27 AM Christoph Hellwig <hch@xxxxxx> wrote:
> >
> > Use set_capacity_and_notify to set the size of both the disk and block
> > device.  This also gets the uevent notifications for the resize for free.
> >
> > Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> > Acked-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
> > ---
> >  drivers/block/rbd.c | 3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
> > index f84128abade319..b7a194ffda55b4 100644
> > --- a/drivers/block/rbd.c
> > +++ b/drivers/block/rbd.c
> > @@ -4920,8 +4920,7 @@ static void rbd_dev_update_size(struct rbd_device 
> > *rbd_dev)
> >             !test_bit(RBD_DEV_FLAG_REMOVING, &rbd_dev->flags)) {
> >                 size = (sector_t)rbd_dev->mapping.size / SECTOR_SIZE;
> >                 dout("setting size to %llu sectors", (unsigned long 
> > long)size);
> > -               set_capacity(rbd_dev->disk, size);
> > -               revalidate_disk_size(rbd_dev->disk, true);
> > +               set_capacity_and_notify(rbd_dev->disk, size);
> >         }
> >  }
> >
> > --
> > 2.28.0
> >
>
> Hi Christoph,
>
> The Acked-by is wrong here.  I acked this patch (17/24, rbd), and Jack
> acked the next one (18/24, rnbd).
right. :)
>
> Thanks,
>
>                 Ilya