From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nigel Cunningham <nigel@tuxonice.net>
Subject: Re: [RFC][PATCH] PM / Sleep: Freeze filesystems during system suspend/hibernation
Date: Tue, 31 Jan 2012 08:10:37 +1100
Message-ID: <4F27074D.2040006@tuxonice.net>
References: <201201281445.49377.rjw@sisk.pl> <20120130200040.GB7827@quack.suse.cz> <201201302205.34159.rjw@sisk.pl>
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Cc: Jan Kara <jack@suse.cz>, Linux PM list <linux-pm@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-fsdevel@vger.kernel.org, Dave Chinner <david@fromorbit.com>,
	Pavel Machek <pavel@ucw.cz>,
	"Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>,
	Al Viro <viro@zeniv.linux.org.uk>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <201201302205.34159.rjw@sisk.pl>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: linux-fsdevel.vger.kernel.org

Hi.

On 31/01/12 08:05, Rafael J. Wysocki wrote:
> On Monday, January 30, 2012, Jan Kara wrote:
>> On Sat 28-01-12 14:45:49, Rafael J. Wysocki wrote:
>>> +	/*
>>> +	 * Freeze in reverse order so filesystems depending on others are
>>> +	 * frozen in the right order (eg. loopback on ext3).
>>> +	 */
>>   Ho, hum, are you sure the order in super_blocks list is the one you need?
>> Maybe it is but I'm not sure you are guaranteed it is.
> 
> Well, is there any way I can get the right order?

Jan, what's the case where the reverse of mount order might be the wrong
order?

Regards,

Nigel
-- 
Evolution (n): A hypothetical process whereby improbable
events occur with alarming frequency, order arises from chaos, and
no one is given credit.