[PATCH 12/18] xfs: use unhashed buffers for size checks

[Christoph Hellwig]

On Tue, Sep 14, 2010 at 08:56:11PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> When we are checking we can access the last block of each device, we
> do not need to use cached buffers as they will be tossed away
> immediately. Use uncached buffers for size checks so that all IO
> prior to full in-memory structure initialisation does not use the
> buffer cache.

Looks good,


Reviewed-by: Christoph Hellwig <hch at lst.de>