Commit 28820640 authored by Jens Axboe's avatar Jens Axboe
Browse files

kyber-iosched: update shallow depth when setting up hardware queue 



We don't expect the async depth to be smaller than the wake batch
count for sbitmap, but just in case, inform sbitmap of what shallow
depth kyber may use.

Acked-by: default avatarPaolo Valente <paolo.valente@linaro.org>
Reviewed-by: default avatarOmar Sandoval <osandov@fb.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 483b7bf2

block/kyber-iosched.c

+3 −0
Original line number Diff line number Diff line
@@ -378,6 +378,7 @@ static void kyber_exit_sched(struct elevator_queue *e) 


static int kyber_init_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx)

{

	struct kyber_queue_data *kqd = hctx->queue->elevator->elevator_data;

	struct kyber_hctx_data *khd;

	int i;
@@ -400,6 +401,8 @@ static int kyber_init_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx) 
	khd->batching = 0;



	hctx->sched_data = khd;

	sbitmap_queue_min_shallow_depth(&hctx->sched_tags->bitmap_tags,

					kqd->async_depth);



	return 0;

}

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