linux-kernel - Re: [PATCH 0/3 v5][RFC] ext3/4: enhance fsync performance when using CFQ

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Message-ID: <x49r5jwh42r.fsf@segfault.boston.devel.redhat.com>
Date:	Thu, 24 Jun 2010 10:56:28 -0400
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Tao Ma <tao.ma@...cle.com>
Cc:	axboe@...nel.dk, vgoyal@...hat.com, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org, Joel Becker <joel.becker@...cle.com>,
	Sunil Mushran <sunil.mushran@...cle.com>,
	"ocfs2-devel\@oss.oracle.com" <ocfs2-devel@....oracle.com>
Subject: Re: [PATCH 0/3 v5][RFC] ext3/4: enhance fsync performance when using CFQ

Tao Ma <tao.ma@...cle.com> writes:

> Hi Jeff,
>
[...]
> I am sorry to say that the patch make jbd2 locked up when I tested
> fs_mark using ocfs2.
> I have attached the log from my netconsole server. After I reverted
> the patch [3/3], the box works again.

Thanks for the report, Tao, I'll try to reproduce it here and get back
to you.

Cheers,
Jeff
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