From: Louis Rilling <Louis.Rilling@kerlabs.com>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC] block: io_context refcount fixes
Date: Fri, 4 Dec 2009 17:03:11 +0100 [thread overview]
Message-ID: <20091204160311.GK2430@hawkmoon.kerlabs.com> (raw)
In-Reply-To: <20091204153443.GH8742@kernel.dk>
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On 04/12/09 16:34 +0100, Jens Axboe wrote:
> On Fri, Dec 04 2009, Louis Rilling wrote:
> >
> > Hi,
> >
> > When reading copy_io() I found probable refcounting issues with shared
> > io_context. IIUC, the following two patches could fix those issues.
> > If I am correct, then those fixes should go to stable too.
> >
> > Based on v2.6.32 and compile-tested only.
>
> Thanks, those both look correct. I will apply them, but please also do
> whatever testing that caused you to find this in the first place (or was
> it code inspection)?
Yes this was code inspection. I have no testcase for CLONE_IO.
Thanks,
Louis
--
Dr Louis Rilling Kerlabs
Skype: louis.rilling Batiment Germanium
Phone: (+33|0) 6 80 89 08 23 80 avenue des Buttes de Coesmes
http://www.kerlabs.com/ 35700 Rennes
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prev parent reply other threads:[~2009-12-04 16:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-04 13:52 Louis Rilling
2009-12-04 13:52 ` [PATCH 1/2] block: Fix io_context leak after clone with CLONE_IO Louis Rilling
2009-12-04 13:52 ` [PATCH 2/2] block: Fix io_context leak after failure of " Louis Rilling
2009-12-04 15:34 ` [RFC] block: io_context refcount fixes Jens Axboe
2009-12-04 16:03 ` Louis Rilling [this message]
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