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-rw-r--r--block/blk-mq.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 9aa24c9508f9..266fc4f6b046 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -954,6 +954,12 @@ static void blk_mq_timeout_work(struct work_struct *work)
data.next = blk_rq_timeout(round_jiffies_up(data.next));
mod_timer(&q->timeout, data.next);
} else {
+ /*
+ * Request timeouts are handled as a forward rolling timer. If
+ * we end up here it means that no requests are pending and
+ * also that no request has been pending for a while. Mark
+ * each hctx as idle.
+ */
queue_for_each_hw_ctx(q, hctx, i) {
/* the hctx may be unmapped, so check it here */
if (blk_mq_hw_queue_mapped(hctx))

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