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Re: [linux-lvm] 2.6.22-rc4 XFS fails after hibernate/resume

To: David Chinner <dgc@xxxxxxx>
Subject: Re: [linux-lvm] 2.6.22-rc4 XFS fails after hibernate/resume
From: Pavel Machek <pavel@xxxxxx>
Date: Wed, 27 Jun 2007 20:49:24 +0000
Cc: David Greaves <david@xxxxxxxxxxxx>, David Robinson <zxvdr.au@xxxxxxxxx>, LVM general discussion and development <linux-lvm@xxxxxxxxxx>, "'linux-kernel@xxxxxxxxxxxxxxx'" <linux-kernel@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx, linux-pm <linux-pm@xxxxxxxxxxxxxx>, LinuxRaid <linux-raid@xxxxxxxxxxxxxxx>
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> FWIW, I'm on record stating that "sync" is not sufficient to quiesce an XFS
> filesystem for a suspend/resume to work safely and have argued that the only

Hmm, so XFS writes to disk even when its threads are frozen?

> safe thing to do is freeze the filesystem before suspend and thaw it after
> resume. This is why I originally asked you to test that with the other problem

Could you add that to the XFS threads if it is really required? They
do know that they are being frozen for suspend.

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