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bfq: simplify bfq_bic_lookup

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Remove the unused bfqd argument, and hardcode ioc to current->io_context.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211126115817.2087431-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-11-26 12:58:06 +01:00 committed by Jens Axboe
parent 88c9a2ce52
commit 836b394b63
1 changed files with 10 additions and 15 deletions
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25
block/bfq-iosched.c
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@ -433,26 +433,21 @@ static struct bfq_io_cq *icq_to_bic(struct io_cq *icq)
/**
* bfq_bic_lookup - search into @ioc a bic associated to @bfqd.
* @bfqd: the lookup key.
* @ioc: the io_context of the process doing I/O.
* @q: the request queue.
*/
static struct bfq_io_cq *bfq_bic_lookup(struct bfq_data *bfqd,
struct io_context *ioc,
struct request_queue *q)
static struct bfq_io_cq *bfq_bic_lookup(struct request_queue *q)
{
if (ioc) {
unsigned long flags;
struct bfq_io_cq *icq;
struct bfq_io_cq *icq;
unsigned long flags;
spin_lock_irqsave(&q->queue_lock, flags);
icq = icq_to_bic(ioc_lookup_icq(ioc, q));
spin_unlock_irqrestore(&q->queue_lock, flags);
if (!current->io_context)
return NULL;
return icq;
}
spin_lock_irqsave(&q->queue_lock, flags);
icq = icq_to_bic(ioc_lookup_icq(current->io_context, q));
spin_unlock_irqrestore(&q->queue_lock, flags);
return NULL;
return icq;
}
/*
@ -2457,7 +2452,7 @@ static bool bfq_bio_merge(struct request_queue *q, struct bio *bio,
* returned by bfq_bic_lookup does not go away before
* bfqd->lock is taken.
*/
struct bfq_io_cq *bic = bfq_bic_lookup(bfqd, current->io_context, q);
struct bfq_io_cq *bic = bfq_bic_lookup(q);
bool ret;
spin_lock_irq(&bfqd->lock);