blk_rq_timeout is needed to limit the max timeout value, otherwise,
a idle hctx cannot be deactivated timely in shared-tag case.
Fixes: 12f5b931 (blk-mq: Remove generation seqeunce)
Signed-off-by: Jianchao Wang <jianchao.w.wang@xxxxxxxxxx>
---
block/blk-mq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 70c65bb..ccebe7b 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -868,7 +868,7 @@ static void blk_mq_timeout_work(struct work_struct *work)
blk_mq_queue_tag_busy_iter(q, blk_mq_check_expired, &next);
if (next != 0) {
- mod_timer(&q->timeout, next);
+ mod_timer(&q->timeout, blk_rq_timeout(round_jiffies_up(next)));
} else {
/*
* Request timeouts are handled as a forward rolling timer. If
--
2.7.4
