On Tue 16-08-22 09:56:30, Yu Kuai wrote: > From: Yu Kuai <yukuai3@xxxxxxxxxx> > > 'bfqq->bfqd' is ensured to set in bfq_init_queue(), and it will never > change afterwards. > > Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx> Looks good. Feel free to add: Reviewed-by: Jan Kara <jack@xxxxxxx> Honza > --- > block/bfq-iosched.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c > index c740b41fe0a4..f39067389b2b 100644 > --- a/block/bfq-iosched.c > +++ b/block/bfq-iosched.c > @@ -5255,9 +5255,7 @@ void bfq_put_queue(struct bfq_queue *bfqq) > struct hlist_node *n; > struct bfq_group *bfqg = bfqq_group(bfqq); > > - if (bfqq->bfqd) > - bfq_log_bfqq(bfqq->bfqd, bfqq, "put_queue: %p %d", > - bfqq, bfqq->ref); > + bfq_log_bfqq(bfqq->bfqd, bfqq, "put_queue: %p %d", bfqq, bfqq->ref); > > bfqq->ref--; > if (bfqq->ref) > @@ -5321,7 +5319,7 @@ void bfq_put_queue(struct bfq_queue *bfqq) > hlist_del_init(&item->woken_list_node); > } > > - if (bfqq->bfqd && bfqq->bfqd->last_completed_rq_bfqq == bfqq) > + if (bfqq->bfqd->last_completed_rq_bfqq == bfqq) > bfqq->bfqd->last_completed_rq_bfqq = NULL; > > kmem_cache_free(bfq_pool, bfqq); > -- > 2.31.1 > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR