From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Jens Axboe To: linux-block@vger.kernel.org Cc: osandov@fb.com, efault@gmx.de, paolo.valente@linaro.org, Jens Axboe Subject: [PATCH 7/7] kyber-iosched: update shallow depth when setting up hardware queue Date: Wed, 9 May 2018 14:49:27 -0600 Message-Id: <1525898967-13425-8-git-send-email-axboe@kernel.dk> In-Reply-To: <1525898967-13425-1-git-send-email-axboe@kernel.dk> References: <1525898967-13425-1-git-send-email-axboe@kernel.dk> List-ID: 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. Signed-off-by: Jens Axboe --- block/kyber-iosched.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c index 564967fafe5f..b1b927224cd4 100644 --- a/block/kyber-iosched.c +++ b/block/kyber-iosched.c @@ -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_shallow_depth(&hctx->sched_tags->bitmap_tags, + kqd->async_depth); return 0; } -- 2.7.4