From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <tom.leiming@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
stable <stable@vger.kernel.org>
Subject: Re: [PATCH] block: mq flush: fix race between IPI handler and mq flush worker
Date: Tue, 27 May 2014 13:17:40 -0600 [thread overview]
Message-ID: <5384E4D4.6040101@kernel.dk> (raw)
In-Reply-To: <20140527191510.GA9274@lst.de>
On 05/27/2014 01:15 PM, Christoph Hellwig wrote:
> On Tue, May 27, 2014 at 12:54:22PM -0600, Jens Axboe wrote:
>> Space is plenty big again now... The down side is that the splice trick
>> wont work, but if we have more than a few requests on the requeue list,
>> we're doing it wrong anyway.
>
> I don't see a problem with the splice. How about this version (untested so
> far)?
True, I guess it's iterated afterwards anyway, so that's where you just
check it.
But I think you sent the old one again, not the new variant :-)
--
Jens Axboe
next prev parent reply other threads:[~2014-05-27 19:17 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-19 15:05 [PATCH] block: mq flush: fix race between IPI handler and mq flush worker Ming Lei
2014-05-19 15:18 ` Christoph Hellwig
2014-05-19 15:34 ` Ming Lei
2014-05-20 3:20 ` Ming Lei
2014-05-20 15:23 ` Christoph Hellwig
2014-05-21 5:16 ` Ming Lei
2014-05-21 5:36 ` Christoph Hellwig
2014-05-21 6:48 ` Ming Lei
2014-05-27 18:13 ` Christoph Hellwig
2014-05-27 18:38 ` Jens Axboe
2014-05-27 18:53 ` Christoph Hellwig
2014-05-27 18:54 ` Jens Axboe
2014-05-27 19:15 ` Christoph Hellwig
2014-05-27 19:17 ` Jens Axboe [this message]
2014-05-27 19:21 ` Christoph Hellwig
2014-05-27 19:35 ` Jens Axboe
2014-05-28 1:34 ` Ming Lei
2014-05-28 2:26 ` Jens Axboe
2014-05-28 2:31 ` Jens Axboe
2014-05-28 5:22 ` Christoph Hellwig
2014-05-28 14:08 ` Jens Axboe
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