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Re: [PATCH, -stable RFC] xfs: fix periodic log flushing

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH, -stable RFC] xfs: fix periodic log flushing
From: Andre Noll <maan@xxxxxxxxxxxxxxx>
Date: Wed, 19 Dec 2012 01:21:45 +0100
Cc: xfs@xxxxxxxxxxx, Matthias Schniedermeyer <ms@xxxxxxx>
In-reply-to: <20121218232533.GJ15182@dastard>
References: <20121218221616.GH15182@dastard> <20121218224022.GJ31273@xxxxxxxxxxxxxxx> <20121218232533.GJ15182@dastard>
User-agent: Mutt/1.5.20 (2009-06-14)
On Wed, Dec 19, 10:25, Dave Chinner wrote:
> AFAIK 3.6 is still being updated - 3.6.11 was tagged only 29 hours ago.

Quoting from the 3.6.11 release announcement:

        Note, this is the LAST kernel in the 3.6.y series, it is
        now end-of-life.  Please move to the 3.7.y kernel series at
        this time.

> I probably should also mention in the commit message that there is
> no equivalent upstream fix, as the fix in 3.8 is part of a complete
> reworking of the code and hence not appropriate for backporting
> to -stable.

Definitely. Greg tends to get grumpy when he is asked to apply a
patch for the stable series that has no counterpart upstream :)

> > > - if (!(mp->m_super->s_flags & MS_ACTIVE) &&
> > 
> > appears to be in the longterm kernels 3.2.35 and 3.4.24 as well (it
> > was changed in commit 1307bbd which got reverted in 11159a05). Are
> > these kernels also affected?
> I have no idea - I don't track them, don't test them and haven't
> tried to reproduce the problem on them.
> If you want to support all the stable trees, you're welcome to do
> all this, but it's not something I care to do. We have reports of
> this problem on 3.5 to 3.7 and the patch applies to all three
> kernels, so that's as far as I care right now....

Understood. Personally, I only care about 3.4 as this is the kernel we
are running on most of our production systems. Would you be willing
to submit the patch also for 3.4-stable if Matthias or myself
reproduced the issue on 3.4 and confirmed that the patch fixes the
problem there as well?

The only person who always got his work done by Friday was Robinson Crusoe

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