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authorBart Van Assche <bart.vanassche@wdc.com>2018-06-22 13:18:09 -0700
committerJens Axboe <axboe@kernel.dk>2018-06-23 10:25:45 -0600
commitf5e350f021e04ea41d2e5d58487c33b05ba3d25b (patch)
tree6cf89499e307b48964e4539842f502575617afe7 /block
parent3ee7e8697d5860b173132606d80a9cd35e7113ee (diff)
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: da6612673988 ("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>
Diffstat (limited to 'block')
-rw-r--r--block/blk-mq.c1
-rw-r--r--block/blk-timeout.c1
2 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 8e57b84e50e9..b6888ff556cf 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -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);
}
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 4b8a48d48ba1..f2cfd56e1606 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -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);
/*