diff options
author | Keith Busch <keith.busch@intel.com> | 2016-05-26 10:25:51 -0600 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-15 08:27:47 +0200 |
commit | 4af03e19226cebe72d45c669ddc3b33666adf18e (patch) | |
tree | 57333c7c359c3fb7f5b7d4fa689d0174bd50e6c4 /block | |
parent | d774bfcec0980b1be5c02405c5ac2e6c4ede56b7 (diff) |
blk-mq: End unstarted requests on dying queue
[ Upstream commit a59e0f5795fe52dad42a99c00287e3766153b312 ]
Go directly to ending a request if it wasn't started. Previously, completing a
request may invoke a driver callback for a request it didn't initialize.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block')
-rw-r--r-- | block/blk-mq.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 6d6f8feb48c0..839b1e17481b 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -601,8 +601,10 @@ static void blk_mq_check_expired(struct blk_mq_hw_ctx *hctx, * If a request wasn't started before the queue was * marked dying, kill it here or it'll go unnoticed. */ - if (unlikely(blk_queue_dying(rq->q))) - blk_mq_complete_request(rq, -EIO); + if (unlikely(blk_queue_dying(rq->q))) { + rq->errors = -EIO; + blk_mq_end_request(rq, rq->errors); + } return; } if (rq->cmd_flags & REQ_NO_TIMEOUT) |