Re: [PATCH 4/5] fsfreeze: switch to using super methods everywhere

[Christoph Hellwig]

On Thu, Jun 10, 2010 at 05:19:53PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
> 
> freeze/thaw_bdev are now just trivial wrappers around
> freeze/thaw_super(). Convert all users of the bdev interfaces to use
> the superblock interfaces instead, and remove the bdev interfaces.

This requires exporting get_active_super.  Buit if we want to keep suppoting
freezing of unmounted block devices we need to keep the helpers anyway.
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