From 2882064076c80ed643fe9c78ed7d493446bc5e0d Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 9 May 2018 13:55:14 -0600 Subject: [PATCH] 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: Paolo Valente Reviewed-by: Omar Sandoval 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..5b33dc394cc7 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_min_shallow_depth(&hctx->sched_tags->bitmap_tags, + kqd->async_depth); return 0; }