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bfq: use bfq_bic_lookup in bfq_limit_depth
author
Christoph Hellwig
<hch@lst.de>
Fri, 26 Nov 2021 11:58:07 +0000
(12:58 +0100)
committer
Jens Axboe
<axboe@kernel.dk>
Mon, 29 Nov 2021 13:41:29 +0000
(06:41 -0700)
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>
block/bfq-iosched.c
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diff --git
a/block/bfq-iosched.c
b/block/bfq-iosched.c
index
c990c64
..
ecc2e57
100644
(file)
--- a/
block/bfq-iosched.c
+++ b/
block/bfq-iosched.c
@@
-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;