Re: [PATCH 3/5] fsfreeze: freeze_super and thaw_bdev don't playwell together

From: Dave Chinner
Date: Mon Jun 14 2010 - 20:01:34 EST

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?


Dave Chinner
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