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eMMC: run work queue asynchronous. [1/1]

Browse Source 
PD#SWPL-170009

Problem:
Synchronous run queues cause eMMC performance degradation.

Solution:
Asynchronous Run work queue.

Verify:
T3

Change-Id: I214f2d813373b46fd5fc64f050e00a395dd35828
Signed-off-by: Long <long.yu@amlogic.com>
This commit is contained in:
Long
2024-07-18 13:45:35 +08:00
committed by Dongjin Kim
parent 236f8549dd
commit 69c3fcd030
1 changed files with 12 additions and 0 deletions
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12
block/blk-mq.c
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@@ -1585,6 +1585,7 @@ static void __blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async,
if (unlikely(blk_mq_hctx_stopped(hctx)))
return;
#if !IS_ENABLED(CONFIG_AMLOGIC_MMC_CQHCI)
if (!async &&
!(hctx->flags & BLK_MQ_F_BLOCKING &&
blk_queue_is_zoned(hctx->queue)) &&
@@ -1592,7 +1593,18 @@ static void __blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async,
__blk_mq_run_hw_queue(hctx);
return;
}
#else
if (!async && !(hctx->flags & BLK_MQ_F_BLOCKING)) {
int cpu = get_cpu();
if (cpumask_test_cpu(cpu, hctx->cpumask)) {
__blk_mq_run_hw_queue(hctx);
put_cpu();
return;
}
put_cpu();
}
#endif
kblockd_mod_delayed_work_on(blk_mq_hctx_next_cpu(hctx), &hctx->run_work,
msecs_to_jiffies(msecs));
}