Re: [PATCH 3/5] fsfreeze: freeze_super and thaw_bdev don't play welltogether

From: Christoph Hellwig
Date: Tue Jun 15 2010 - 02:24:29 EST

On Tue, Jun 15, 2010 at 10:01:07AM +1000, Dave Chinner wrote:
> On Mon, Jun 14, 2010 at 11:22:19AM -0400, Christoph Hellwig wrote:
> > This breaks the "feature" that we can freeze a block device that doesn't
> > have a filesystem mounted yet. For filesystems using get_sb_bdev that
> > prevents a new filesystem to be mounted on them.
> >
> > I'm not sure it's a particularly useful feature, but it's been there
> > since day 1 of the freeze support. The easiest way to not break it
> > would be to keep the per-sb freeze count only for that case and only
> > check it during mount.
> You mean the per-bdev freeze count, right? So freeze/thaw_bdev would
> have to remain?


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