Re: [PATCH] Freeze bdevs when freezing processes.

From: Rafael J. Wysocki
Date: Tue Oct 24 2006 - 15:11:31 EST


On Tuesday, 24 October 2006 19:06, Christoph Hellwig wrote:
> 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.

Thanks for the clarification.

Then it looks like we need the freezing of bdevs. Pavel?


--
You never change things by fighting the existing reality.
R. Buckminster Fuller
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