From: Jens Axboe <axboe@kernel.dk>
To: Shaohua Li <shli@kernel.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] blk-mq: cache rq->q
Date: Fri, 11 Oct 2013 08:25:41 -0600 [thread overview]
Message-ID: <52580A65.2050401@kernel.dk> (raw)
In-Reply-To: <20131011041105.GA1692@kernel.org>
On 10/10/2013 10:11 PM, Shaohua Li wrote:
>
> If a tag is freed, the request might be used very soon. There is a short window
> rq->q is null, so cache it.
Thanks, good catch! Applied.
--
Jens Axboe
prev parent reply other threads:[~2013-10-11 14:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 4:11 [PATCH] blk-mq: cache rq->q Shaohua Li
2013-10-11 14:25 ` Jens Axboe [this message]
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