From: Keith Busch <keith.busch@intel.com>
To: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Tejun Heo <tj@kernel.org>,
Jianchao Wang <jianchao.w.wang@oracle.com>,
Ming Lei <ming.lei@redhat.com>,
Sebastian Ott <sebott@linux.ibm.com>,
Sagi Grimberg <sagi@grimberg.me>,
Israel Rukshin <israelr@mellanox.com>,
Max Gurtovoy <maxg@mellanox.com>
Subject: Re: [PATCH v13] blk-mq: Rework blk-mq timeout handling again
Date: Wed, 23 May 2018 08:08:57 -0600 [thread overview]
Message-ID: <20180523140857.GA10852@localhost.localdomain> (raw)
In-Reply-To: <20180523140231.GA9028@localhost.localdomain>
On Wed, May 23, 2018 at 08:02:31AM -0600, Keith Busch wrote:
> Looks like the cmpxchg is also needed if old_state is MQ_RQ_TIMED_OUT,
> otherwise its guaranteed to return 'true' and there's no point to the
> loop and 'if' check.
And I see v14 is already posted with that fix! :)
prev parent reply other threads:[~2018-05-23 14:08 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-22 16:25 [PATCH v13] blk-mq: Rework blk-mq timeout handling again Bart Van Assche
2018-05-22 16:44 ` Jens Axboe
2018-05-22 17:17 ` Jens Axboe
2018-05-22 18:47 ` Jens Axboe
2018-05-22 19:03 ` Jens Axboe
2018-05-22 19:38 ` Jens Axboe
2018-05-22 20:26 ` Keith Busch
2018-05-22 20:29 ` Jens Axboe
2018-05-22 21:02 ` Christoph Hellwig
2018-05-22 21:02 ` Jens Axboe
2018-05-22 20:33 ` Bart Van Assche
2018-05-22 20:38 ` Jens Axboe
2018-05-22 20:44 ` Bart Van Assche
2018-05-22 21:03 ` Jens Axboe
2018-05-23 2:35 ` Ming Lei
2018-05-22 20:33 ` Keith Busch
2018-05-22 20:36 ` Bart Van Assche
2018-05-22 20:40 ` Keith Busch
2018-05-22 20:44 ` Keith Busch
2018-05-22 20:47 ` Bart Van Assche
2018-05-23 14:02 ` Keith Busch
2018-05-23 14:08 ` Keith Busch [this message]
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