[PATCH 2/2] xfs: fix endian conversion issue in discard code

[Ben Myers]

On Wed, Dec 21, 2011 at 11:07:42AM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> When finding the longest extent in an AG, we read the value directly
> out of the AGF buffer without endian conversion. This will give an
> incorrect length, resulting in FITRIM operations potentially not
> trimming everything that it should.

Looks good to me.

> Signed-off-by: Dave Chinner <dchinner at redhat.com>

Reviewed-by: Ben Myers <bpm at sgi.com>