linux-kernel - Re: [Bug #15805] reiserfs locking

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Message-ID: <20100710070650.GA16248@elte.hu>
Date:	Sat, 10 Jul 2010 09:06:50 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Maciej Rutecki <maciej.rutecki@...il.com>,
	Alexander Beregalov <a.beregalov@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Alexander Viro <viro@....linux.org.uk>
Subject: Re: [Bug #15805] reiserfs locking


* Frederic Weisbecker <fweisbec@...il.com> wrote:

> On Sat, Jul 10, 2010 at 02:33:24AM +0200, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of regressions introduced between 2.6.33 and 2.6.34.
> > 
> > The following bug entry is on the current list of known regressions
> > introduced between 2.6.33 and 2.6.34.  Please verify if it still should
> > be listed and let the tracking team know (either way).
> > 
> > 
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=15805
> > Subject		: reiserfs locking
> > Submitter	: Alexander Beregalov <a.beregalov@...il.com>
> > Date		: 2010-04-15 21:02 (86 days old)
> > Message-ID	: <t2ka4423d671004151402n7b2dc425mdc9c6bb9640d63fb@...l.gmail.com>
> > References	: http://marc.info/?l=linux-kernel&m=127136535323933&w=2
> > Handled-By	: Frederic Weisbecker <fweisbec@...il.com>
> 
> 
> It's a duplicate of 16334. Or rather 16334 is a duplicate of this
> but the discussion about the issue was more developped in 16334.
> 
> Anyway this is not a regression (at least not recent) and the fix
> from Al is in the vfs tree in the for-next branch on commit
> 6c2bdaf089a3876226893fab00dd83596c465ad2
> "Fix reiserfs_file_release()"

Since it's a reproducible deadlock maybe the fix should go upstream faster 
than v2.6.36?

Thanks,

	Ingo
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