linux-kernel - Re: XFS problem in 2.6.32

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Message-ID: <20110608210125.GA8208@infradead.org>
Date:	Wed, 8 Jun 2011 17:01:25 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Ted Ts'o <tytso@....edu>, Mike Snitzer <snitzer@...hat.com>,
	John Kacur <jkacur@...hat.com>,
	Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>,
	david@...g.hm, linux-kernel@...r.kernel.org
Subject: Re: XFS problem in 2.6.32

On Wed, Jun 08, 2011 at 02:50:16PM -0400, Ted Ts'o wrote:
> On Wed, Jun 08, 2011 at 10:16:59AM -0400, Mike Snitzer wrote:
> > 
> > And what _exactly_ is Red Hat (not) doing?  Red Hat isn't going crazy
> > backporting its upstream > 2.6.32 fixes to 2.6.32.y even when Red Hat
> > doesn't consume 2.6.32.y?  *gasp*
> 
> Well, the original poster was expecting that (unspecified people)
> would be doing this regularly (in fact he was complaining about how an
> XFS bug fixed in RHEL wasn't fixed in 2.6.32.y).  I was explaining how
> it wasn't happening, and it was perfectly acceptable for that to be
> the case.
> 
> So I was actually *defending* Red Hat....

Btw, Redhat has a completely different XFS codebase than mainline
2.6.32, here's the diffstat summary between 2.6.32 and rhel6.1:

 96 files changed, 5083 insertions(+), 5211 deletions(-)

Which roughly equals the diff between 2.6.32 and 2.6.34.  So there's
a fairly large chance things simply won't apply as-is anyway.  The same
is also true for ext4, btrfs and nfs.

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