blk-mq: don't restart queue when .get_budget returns BLK_STS_RESOURCE

[linux.git] / block / blk-mq.c

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 097ca3ece716ee126960b95c2b1824fc60425c1f..e4d2490f4e7eed7fb288f93028c82798291ff0c3 100644 (file)
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1226,7 +1226,6 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
 static void __blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx)
 {
        int srcu_idx;
-       bool run_queue;
 
        /*
         * We should be running this queue from one of the CPUs that
@@ -1243,18 +1242,15 @@ static void __blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx)
 
        if (!(hctx->flags & BLK_MQ_F_BLOCKING)) {
                rcu_read_lock();
-               run_queue = blk_mq_sched_dispatch_requests(hctx);
+               blk_mq_sched_dispatch_requests(hctx);
                rcu_read_unlock();
        } else {
                might_sleep();
 
                srcu_idx = srcu_read_lock(hctx->queue_rq_srcu);
-               run_queue = blk_mq_sched_dispatch_requests(hctx);
+               blk_mq_sched_dispatch_requests(hctx);
                srcu_read_unlock(hctx->queue_rq_srcu, srcu_idx);
        }
-
-       if (run_queue)
-               blk_mq_run_hw_queue(hctx, true);
 }
 
 /*