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authorMing Lei <ming.lei@canonical.com>2015-07-16 11:53:22 (GMT)
committerJens Axboe <axboe@fb.com>2015-07-16 14:39:11 (GMT)
commite56f698bd0720e17f10f39e8b0b5b446ad0ab22c (patch)
tree3fdbc929bb1bfaffff5bc28aba742352094a99dc
parent7bee607472aa2e5a36dfe143e5a625be06125f53 (diff)
downloadlinux-e56f698bd0720e17f10f39e8b0b5b446ad0ab22c.tar.xz
blk-mq: set default timeout as 30 seconds
It is reasonable to set default timeout of request as 30 seconds instead of 30000 ticks, which may be 300 seconds if HZ is 100, for example, some arm64 based systems may choose 100 HZ. Signed-off-by: Ming Lei <ming.lei@canonical.com> Fixes: c76cbbcf4044 ("blk-mq: put blk_queue_rq_timeout together in blk_mq_init_queue()" Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--block/blk-mq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index f537796..7d842db 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1998,7 +1998,7 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
goto err_hctxs;
setup_timer(&q->timeout, blk_mq_rq_timer, (unsigned long) q);
- blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30000);
+ blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30 * HZ);
q->nr_queues = nr_cpu_ids;
q->nr_hw_queues = set->nr_hw_queues;