Re: [PATCH v3 2/8] zbd: fix write zone accounting
Shinichiro Kawasaki <[email protected]> Mon, 2 Mar 2026 06:49:48 +0000
| Newsgroups | org.kernel.vger.fio |
|---|---|
| Message-ID | <aaUy7dt-QeaFOJLN@shinmob> |
On Mar 02, 2026 / 12:41, Damien Le Moal wrote:
[...]
> > diff --git a/zbd.c b/zbd.c
> > index b71f842c..c511b709 100644
> > --- a/zbd.c
> > +++ b/zbd.c
> > @@ -1693,8 +1693,17 @@ retry:
> > =20
> > zone_lock(td, f, z);
> > if (zbd_zone_remainder(z) >=3D min_bs) {
> > - need_zone_finish =3D false;
> > - goto out;
> > + /*
> > + * The zone might be already removed from
> > + * zbdi->write_zones[] by other jobs at this moment.
> > + * Even if the zone has remainder, call
> > + * zbd_write_zone_get() to ensure that it is in the
> > + * array.
> > + */
> > + if (zbd_write_zone_get(td, f, z)) {
> > + need_zone_finish =3D false;
> > + goto out;
> > + }
>=20
> Please change this to:
>=20
> if (zbd_zone_remainder(z) >=3D min_bs &&
> zbd_write_zone_get(td, f, z)) {
> need_zone_finish =3D false;
> goto out;
> }
>=20
> And move the comment block above the if. You could also improve the comme=
nt to
> explain why we look at "zbd_zone_remainder(z) >=3D min_bs"
>=20
> With that (and the much better commit message), feel free to add:
>=20
> Reviewed-by: Damien Le Moal <[email protected]>
Thanks, will reflect the comments in v4.=