| To: | "Rafael J. Wysocki" <rjw@xxxxxxx> |
|---|---|
| Subject: | Re: [PATCH] Freeze bdevs when freezing processes. |
| From: | Christoph Hellwig <hch@xxxxxxxxxxxxx> |
| Date: | Tue, 24 Oct 2006 18:06:33 +0100 |
| Cc: | David Chinner <dgc@xxxxxxx>, Nigel Cunningham <ncunningham@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, xfs@xxxxxxxxxxx |
| In-reply-to: | <200610241730.00488.rjw@sisk.pl> |
| Mail-followup-to: | Christoph Hellwig <hch@xxxxxxxxxxxxx>, "Rafael J. Wysocki" <rjw@xxxxxxx>, David Chinner <dgc@xxxxxxx>, Nigel Cunningham <ncunningham@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, xfs@xxxxxxxxxxx |
| References: | <1161576735.3466.7.camel@nigel.suspend2.net> <200610231236.54317.rjw@sisk.pl> <20061024144446.GD11034@melbourne.sgi.com> <200610241730.00488.rjw@sisk.pl> |
| Sender: | xfs-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.4.2.1i |
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. |
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