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block, bfq: remove local variable 'split' in bfq_init_rq()

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The local variable is used to call bfq_bfqq_resume_state() later,
since 'bfqd->lock' is held, and bfqq status will not change between
setting 'split' and calling bfq_bfqq_resume_state(), move forward
bfq_bfqq_resume_state() so that 'split' can be removed. There are no
functional chagnes.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240909134154.954924-6-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yu Kuai 2024-09-09 21:41:52 +08:00 committed by Jens Axboe
parent 553a606c25
commit e61e002a67
1 changed files with 8 additions and 15 deletions
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23
block/bfq-iosched.c
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@ -6877,7 +6877,7 @@ static struct bfq_queue *bfq_init_rq(struct request *rq)
const int is_sync = rq_is_sync(rq);
struct bfq_queue *bfqq;
bool new_queue = false;
bool bfqq_already_existing = false, split = false;
bool bfqq_already_existing = false;
unsigned int a_idx = bfq_actuator_index(bfqd, bio);
if (unlikely(!rq->elv.icq))
@ -6914,16 +6914,19 @@ static struct bfq_queue *bfq_init_rq(struct request *rq)
true;
bfqq = bfq_split_bfqq(bic, bfqq);
split = true;
if (!bfqq) {
bfqq = bfq_get_bfqq_handle_split(bfqd, bic, bio,
true, is_sync,
NULL);
if (unlikely(bfqq == &bfqd->oom_bfqq))
bfqq_already_existing = true;
} else
else
bfq_bfqq_resume_state(bfqq, bfqd, bic,
false);
} else {
bfqq_already_existing = true;
bfq_bfqq_resume_state(bfqq, bfqd, bic, true);
}
if (!bfqq_already_existing) {
bfqq->waker_bfqq = waker_bfqq;
@ -6959,18 +6962,8 @@ static struct bfq_queue *bfq_init_rq(struct request *rq)
* resume its state.
*/
if (likely(bfqq != &bfqd->oom_bfqq) && !bfqq->new_bfqq &&
bfqq_process_refs(bfqq) == 1) {
bfqq_process_refs(bfqq) == 1)
bfqq->bic = bic;
if (split) {
/*
* The queue has just been split from a shared
* queue: restore the idle window and the
* possible weight raising period.
*/
bfq_bfqq_resume_state(bfqq, bfqd, bic,
bfqq_already_existing);
}
}
/*
* Consider bfqq as possibly belonging to a burst of newly