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bfq: use bfq_bic_lookup in bfq_limit_depth

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No need to create a new I/O context if there is none present yet in
->limit_depth.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211126115817.2087431-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-11-26 12:58:07 +01:00 committed by Jens Axboe
parent 836b394b63
commit a0725c22cd
1 changed files with 1 additions and 1 deletions
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2
block/bfq-iosched.c
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@ -663,7 +663,7 @@ static bool bfqq_request_over_limit(struct bfq_queue *bfqq, int limit)
static void bfq_limit_depth(unsigned int op, struct blk_mq_alloc_data *data)
{
struct bfq_data *bfqd = data->q->elevator->elevator_data;
struct bfq_io_cq *bic = icq_to_bic(blk_mq_sched_get_icq(data->q));
struct bfq_io_cq *bic = bfq_bic_lookup(data->q);
struct bfq_queue *bfqq = bic ? bic_to_bfqq(bic, op_is_sync(op)) : NULL;
int depth;
unsigned limit = data->q->nr_requests;