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From: Christoph Hellwig <hch@infradead.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: David Chinner <dgc@sgi.com>,
	Nigel Cunningham <ncunningham@linuxmail.org>,
	Andrew Morton <akpm@osdl.org>,
	LKML <linux-kernel@vger.kernel.org>, Pavel Machek <pavel@ucw.cz>,
	xfs@oss.sgi.com
Subject: Re: [PATCH] Freeze bdevs when freezing processes.
Date: Tue, 24 Oct 2006 18:06:33 +0100	[thread overview]
Message-ID: <20061024170633.GA17956@infradead.org> (raw)
In-Reply-To: <200610241730.00488.rjw@sisk.pl>

On Tue, Oct 24, 2006 at 05:29:59PM +0200, Rafael J. Wysocki wrote:
> Do you mean calling sys_sync() after the userspace has been frozen
> may not be sufficient?

No, that's definitly not enough.  You need to freeze_bdev to make sure
data is on disk in the place it's expected by the filesystem without
starting a log recovery.

  parent reply	other threads:[~2006-10-24 18:08 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-23  4:12 [PATCH] Freeze bdevs when freezing processes Nigel Cunningham
2006-10-23 10:36 ` Rafael J. Wysocki
2006-10-23 12:09   ` Nigel Cunningham
2006-10-23 14:07     ` Rafael J. Wysocki
2006-10-23 14:15       ` Nick Piggin
2006-10-23 14:20         ` Rafael J. Wysocki
2006-10-23 23:05           ` Nigel Cunningham
2006-10-23 16:55       ` Andrew Morton
2006-10-23 17:14         ` Pavel Machek
2006-10-23 17:50           ` Andrew Morton
2006-10-23 18:06             ` Pavel Machek
2006-10-23 19:19             ` Rafael J. Wysocki
2006-10-23 22:52               ` Nigel Cunningham
2006-10-24  7:57                 ` Rafael J. Wysocki
2006-10-24  8:21                   ` Nigel Cunningham
2006-10-23 21:39             ` Matthew Garrett
2006-10-23 22:12               ` Rafael J. Wysocki
2006-10-24  7:58               ` Pavel Machek
2006-10-23 22:58             ` Nigel Cunningham
2006-10-24  8:01               ` Pavel Machek
2006-10-23 23:22       ` Nigel Cunningham
2006-10-24  8:37         ` Rafael J. Wysocki
2006-10-24 14:44   ` David Chinner
2006-10-24 15:29     ` Rafael J. Wysocki
2006-10-24 16:20       ` Oleg Verych
2006-10-24 16:27         ` Oleg Verych
2006-10-24 17:08         ` Christoph Hellwig
2006-10-25  8:05         ` Pavel Machek
2006-10-24 16:33       ` David Chinner
2006-10-24 21:37         ` Pavel Machek
2006-10-25  0:13           ` David Chinner
2006-10-25  8:10             ` Pavel Machek
2006-10-25  8:38               ` David Chinner
2006-10-25  8:47                 ` Pavel Machek
2006-10-25 12:32                   ` Rafael J. Wysocki
2006-10-25 13:23                     ` Nigel Cunningham
2006-10-25 19:05                       ` Rafael J. Wysocki
2006-10-26  7:30                         ` David Chinner
2006-10-26  8:18                           ` Nigel Cunningham
2006-10-26  8:48                             ` Rafael J. Wysocki
2006-10-26  8:57                             ` David Chinner
2006-10-26  9:11                               ` Rafael J. Wysocki
2006-10-27  1:38                                 ` David Chinner
2006-10-27 14:37                                   ` Rafael J. Wysocki
2006-10-29 17:35                                   ` Pavel Machek
2006-10-29 23:29                                     ` Rafael J. Wysocki
2006-10-29 23:46                                       ` Nigel Cunningham
2006-10-26  9:18                               ` Nigel Cunningham
2006-10-26  9:08                             ` Rafael J. Wysocki
2006-10-25  8:12             ` Rafael J. Wysocki
2006-10-24 17:06       ` Christoph Hellwig [this message]
2006-10-24 19:09         ` Rafael J. Wysocki
2006-10-24 21:26         ` Pavel Machek
2006-10-24 21:33           ` Christoph Hellwig
2006-10-24 21:43             ` Pavel Machek
2006-10-24 22:19     ` Nigel Cunningham
2006-10-24 20:16 ` Rafael J. Wysocki
2006-10-24 22:17   ` Nigel Cunningham
2006-10-24 20:38 ` Christoph Hellwig

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