linux-ext4 - Re: latest -git: A peculiar case of a stuck process (ext3/sched-related?)

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Date:	Fri, 18 Jul 2008 20:59:42 +0100
From:	"Duane Griffin" <duaneg@...da.com>
To:	"Vegard Nossum" <vegard.nossum@...il.com>
Cc:	linux-ext4@...r.kernel.org, sct@...hat.com,
	akpm@...ux-foundation.org, adilger@....com,
	"Ingo Molnar" <mingo@...e.hu>,
	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: latest -git: A peculiar case of a stuck process (ext3/sched-related?)

2008/7/18 Vegard Nossum <vegard.nossum@...il.com>:
> (This patch looks much shorter than the one I found for ext2, though,
> i.e. commit aa4f3f285643956bb614cf7b8f88e15f3a375886 from the
> historical git repository. Does it fix all the right cases? I don't
> mean to troll -- I just wanted to be sure you knew about it.)

Ah, the historical git archive, that explains why I couldn't find it!
Please, don't worry about being seen as trolling, I didn't know about
that commit and I appreciate the heads-up and your attention to this
in general.

I've just taken a look at it and where I could find the corresponding
ext3 code it all looked OK. The only change the commit makes that I
couldn't verify was to ext2_add_link, as I couldn't immediately spot
where the corresponding ext3 functionality is.

Having said that, as I mentioned in the comment to that patch, there
may well be similar problems still lurking. I tried to fix up all the
dodgy looking cases at first, but I screwed up and just introduced
more problems. After that it seemed safer to do a minimal fix and to
address other similar issues as and when we got test-cases for them.
With the sterling efforts of yourself and Sami we'll hopefully get
them sooner or later.

> I'll try it and report back if there's any trouble. Thanks,

Thanks!

> Vegard

Cheers,
Duane.

-- 
"I never could learn to drink that blood and call it wine" - Bob Dylan
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