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-rw-r--r--block/kyber-iosched.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index f13da10953bf..33d34d69cade 100644
--- a/block/kyber-iosched.c
+++ b/block/kyber-iosched.c
@@ -355,19 +355,9 @@ static void kyber_timer_fn(struct timer_list *t)
}
}
-static unsigned int kyber_sched_tags_shift(struct request_queue *q)
-{
- /*
- * All of the hardware queues have the same depth, so we can just grab
- * the shift of the first one.
- */
- return q->queue_hw_ctx[0]->sched_tags->bitmap_tags->sb.shift;
-}
-
static struct kyber_queue_data *kyber_queue_data_alloc(struct request_queue *q)
{
struct kyber_queue_data *kqd;
- unsigned int shift;
int ret = -ENOMEM;
int i;
@@ -402,9 +392,6 @@ static struct kyber_queue_data *kyber_queue_data_alloc(struct request_queue *q)
kqd->latency_targets[i] = kyber_latency_targets[i];
}
- shift = kyber_sched_tags_shift(q);
- kqd->async_depth = (1U << shift) * KYBER_ASYNC_PERCENT / 100U;
-
return kqd;
err_buckets:
@@ -460,9 +447,19 @@ static void kyber_ctx_queue_init(struct kyber_ctx_queue *kcq)
INIT_LIST_HEAD(&kcq->rq_list[i]);
}
-static int kyber_init_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx)
+static void kyber_depth_updated(struct blk_mq_hw_ctx *hctx)
{
struct kyber_queue_data *kqd = hctx->queue->elevator->elevator_data;
+ struct blk_mq_tags *tags = hctx->sched_tags;
+ unsigned int shift = tags->bitmap_tags->sb.shift;
+
+ kqd->async_depth = (1U << shift) * KYBER_ASYNC_PERCENT / 100U;
+
+ sbitmap_queue_min_shallow_depth(tags->bitmap_tags, kqd->async_depth);
+}
+
+static int kyber_init_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx)
+{
struct kyber_hctx_data *khd;
int i;
@@ -504,8 +501,7 @@ 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);
+ kyber_depth_updated(hctx);
return 0;
@@ -1024,6 +1020,7 @@ static struct elevator_type kyber_sched = {
.completed_request = kyber_completed_request,
.dispatch_request = kyber_dispatch_request,
.has_work = kyber_has_work,
+ .depth_updated = kyber_depth_updated,
},
#ifdef CONFIG_BLK_DEBUG_FS
.queue_debugfs_attrs = kyber_queue_debugfs_attrs,