linux-kernel - Re: [Bug #13232] ext3/4 with synchronous writes gets wedged by Postfix

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Message-ID: <20090518132517.GL32019@mit.edu>
Date:	Mon, 18 May 2009 09:25:17 -0400
From:	Theodore Tso <tytso@....edu>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	David Watson <kernel-nospam@...atson.ukfsn.org>
Subject: Re: [Bug #13232] ext3/4 with synchronous writes gets wedged by
	Postfix

On Sat, May 16, 2009 at 10:06:04PM +0200, Rafael J. Wysocki wrote:
> This message has been generated automatically as a part of a report
> of regressions introduced between 2.6.28 and 2.6.29.
> 
> The following bug entry is on the current list of known regressions
> introduced between 2.6.28 and 2.6.29.  Please verify if it still should
> be listed and let me know (either way).
> 
> 
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=13232
> Subject		: ext3/4 with synchronous writes gets wedged by Postfix
> Submitter	: David Watson <kernel-nospam@...atson.ukfsn.org>
> Date		: 2009-05-03 19:46 (14 days old)

This turned out to be caused by change in the VFS, as documented in
the bug report.  Al Viro has a patch, which I've reviewed.

David, would you be able to try testing Al's proposed patch, since you
have an easy reproduction case?  Thanks,

						- Ted

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