Tested-by: Piotr Gorski <lucjan.lucjanov@xxxxxxxxx>
I have been testing this since the first release and have not noticed
any irregularities.
czw., 10 cze 2021 o 10:31 Oleksandr Natalenko
<oleksandr@xxxxxxxxxxxxxx> napisał(a):
>
> Hello.
>
> On Thu, Jun 10, 2021 at 03:22:30PM +0800, brookxu wrote:
> > From: Chunguang Xu <brookxu@xxxxxxxxxxx>
> >
> > Introduce bfq_entity_to_bfqg() to make it easier to obtain the
> > bfq_group corresponding to the entity.
> >
> > Signed-off-by: Chunguang Xu <brookxu@xxxxxxxxxxx>
> > ---
> > block/bfq-cgroup.c | 6 ++----
> > block/bfq-iosched.h | 1 +
> > block/bfq-wf2q.c | 16 ++++++++++++----
> > 3 files changed, 15 insertions(+), 8 deletions(-)
> >
> > diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c
> > index b791e20..a5f544a 100644
> > --- a/block/bfq-cgroup.c
> > +++ b/block/bfq-cgroup.c
> > @@ -309,8 +309,7 @@ struct bfq_group *bfqq_group(struct bfq_queue *bfqq)
> > {
> > struct bfq_entity *group_entity = bfqq->entity.parent;
> >
> > - return group_entity ? container_of(group_entity, struct bfq_group,
> > - entity) :
> > + return group_entity ? bfq_entity_to_bfqg(group_entity) :
> > bfqq->bfqd->root_group;
> > }
> >
> > @@ -610,8 +609,7 @@ struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd,
> > */
> > entity = &bfqg->entity;
> > for_each_entity(entity) {
> > - struct bfq_group *curr_bfqg = container_of(entity,
> > - struct bfq_group, entity);
> > + struct bfq_group *curr_bfqg = bfq_entity_to_bfqg(entity);
> > if (curr_bfqg != bfqd->root_group) {
> > parent = bfqg_parent(curr_bfqg);
> > if (!parent)
> > diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h
> > index b8e793c..a6f98e9 100644
> > --- a/block/bfq-iosched.h
> > +++ b/block/bfq-iosched.h
> > @@ -941,6 +941,7 @@ struct bfq_group {
> > #endif
> >
> > struct bfq_queue *bfq_entity_to_bfqq(struct bfq_entity *entity);
> > +struct bfq_group *bfq_entity_to_bfqg(struct bfq_entity *entity);
> >
> > /* --------------- main algorithm interface ----------------- */
> >
> > diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c
> > index 070e34a..5ff0028 100644
> > --- a/block/bfq-wf2q.c
> > +++ b/block/bfq-wf2q.c
> > @@ -149,7 +149,7 @@ struct bfq_group *bfq_bfqq_to_bfqg(struct bfq_queue *bfqq)
> > if (!group_entity)
> > group_entity = &bfqq->bfqd->root_group->entity;
> >
> > - return container_of(group_entity, struct bfq_group, entity);
> > + return bfq_entity_to_bfqg(group_entity);
> > }
> >
> > /*
> > @@ -208,7 +208,7 @@ static bool bfq_no_longer_next_in_service(struct bfq_entity *entity)
> > if (bfq_entity_to_bfqq(entity))
> > return true;
> >
> > - bfqg = container_of(entity, struct bfq_group, entity);
> > + bfqg = bfq_entity_to_bfqg(entity);
> >
> > /*
> > * The field active_entities does not always contain the
> > @@ -266,6 +266,15 @@ struct bfq_queue *bfq_entity_to_bfqq(struct bfq_entity *entity)
> > return bfqq;
> > }
> >
> > +struct bfq_group *bfq_entity_to_bfqg(struct bfq_entity *entity)
> > +{
> > + struct bfq_group *bfqg = NULL;
> > +
> > + if (entity->my_sched_data)
> > + bfqg = container_of(entity, struct bfq_group, entity);
> > +
> > + return bfqg;
> > +}
> >
> > /**
> > * bfq_delta - map service into the virtual time domain.
> > @@ -1001,8 +1010,7 @@ static void __bfq_activate_entity(struct bfq_entity *entity,
> >
> > #ifdef CONFIG_BFQ_GROUP_IOSCHED
> > if (!bfq_entity_to_bfqq(entity)) { /* bfq_group */
> > - struct bfq_group *bfqg =
> > - container_of(entity, struct bfq_group, entity);
> > + struct bfq_group *bfqg = bfq_entity_to_bfqg(entity);
> > struct bfq_data *bfqd = bfqg->bfqd;
> >
> > if (!entity->in_groups_with_pending_reqs) {
> > --
> > 1.8.3.1
> >
>
> If it is a resend only, I can offer my Tested-by since I'm running this
> series for quite some time already.
>
> Thanks.
>
> --
> Oleksandr Natalenko (post-factum)
