linux-kernel - Re: [PATCH 0/3] splice fixes

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Message-ID: <4C35D466.8060007@kernel.dk>
Date:	Thu, 08 Jul 2010 15:36:38 +0200
From:	Jens Axboe <axboe@...nel.dk>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Miklos Szeredi <miklos@...redi.hu>, xiaosuo@...il.com,
	tim.gardner@...onical.com, torvalds@...ux-foundation.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	stable@...nel.org
Subject: Re: [PATCH 0/3] splice fixes

On 2010-07-07 22:38, Andrew Morton wrote:
> On Tue, 29 Jun 2010 14:05:52 +0200
> Jens Axboe <axboe@...nel.dk> wrote:
> 
>> On 2010-06-29 14:05, Miklos Szeredi wrote:
>>> On Tue, 29 Jun 2010, Jens Axboe wrote:
>>>> On 2010-06-29 13:08, Miklos Szeredi wrote:
>>>>> These patches fix bugs that affect real-world users of splice(2) and
>>>>> sendfile(2) interfaces.
>>>>>
>>>>> Not sure if some or all of them are appropriate for 2.6.35 and/or
>>>>> -stable?
>>>>
>>>> I think that 1-2 should go into 2.6.35 directly, and 3 for .36 with
>>>> a stable backport as well. Agree?
>>>
>>> Yes, sounds good.
>>
>> Good, that is what I queued up. I haven't pushed out the updated
>> for-linus yet, since I asked Linus to pull it this morning.
>>
> 
> According to Tim's report on lkml
> (http://lkml.org/lkml/2010/6/25/280),
> cc56f7de7f00d188c7c4da1e9861581853b9e92f caused a regression. 
> cc56f7de7f00d188c7c4da1e9861581853b9e92f is present in 2.6.33 and in
> 2.6.34 hence the fix should be backported into -stable.
> 
> According to http://bugs.launchpad.net/bugs/588861, the patch "splice:
> direct_splice_actor() should not use pos in sd" fixes the regression.
> 
> However this:
> 
> commit 4f9078afb4e083e033aafbbfabe729cb3832aa42
> Author: Changli Gao <xiaosuo@...il.com>
> Date:   Tue Jun 29 13:09:18 2010 +0200
> 
>     splice: direct_splice_actor() should not use pos in sd
> 
> went into mainline without a cc:stable tag.

I will send an email to stable@.

-- 
Jens Axboe

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