diff options
author | Christoph Hellwig <hch@lst.de> | 2021-11-26 12:58:06 +0100 |
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committer | Jens Axboe <axboe@kernel.dk> | 2021-11-29 06:41:29 -0700 |
commit | 836b394b633e3d618fa44292290bf3d9a1761e0c (patch) | |
tree | 849d5f486053a1f680cf7e57eab51c0dd79aeb4e /block | |
parent | 88c9a2ce520ba381bb70658c80ec704f4d60f728 (diff) | |
download | linux-836b394b633e3d618fa44292290bf3d9a1761e0c.tar.bz2 |
bfq: simplify bfq_bic_lookup
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>
Diffstat (limited to 'block')
-rw-r--r-- | block/bfq-iosched.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 85554b800970..c990c6409c11 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -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); |