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blk-mq: Fix timeout handling in case the timeout handler returns BLK_EH_DONE 

Make sure that RQF_TIMED_OUT is cleared when a request is reused
after a block driver timeout handler has returned BLK_EH_DONE.

Fixes: da66126739 ("blk-mq: don't time out requests again that are in the timeout handler")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jianchao Wang <jianchao.w.wang@oracle.com>
Cc: Andrew Randrianasulu <randrianasulu@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
Bart Van Assche 2018-06-22 13:18:09 -07:00 committed by Jens Axboe
parent 3ee7e8697d
commit f5e350f021
2 changed files with 1 additions and 1 deletions
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1
block/blk-mq.c
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@ -781,7 +781,6 @@ static void blk_mq_rq_timed_out(struct request *req, bool reserved)
WARN_ON_ONCE(ret != BLK_EH_RESET_TIMER);
}
req->rq_flags &= ~RQF_TIMED_OUT;
blk_add_timer(req);
}

1
block/blk-timeout.c
View File

@ -210,6 +210,7 @@ void blk_add_timer(struct request *req)
if (!req->timeout)
req->timeout = q->rq_timeout;
req->rq_flags &= ~RQF_TIMED_OUT;
blk_rq_set_deadline(req, jiffies + req->timeout);
/*