[PATCH 15/15] xfs: implement inode change count

[Ben Myers]

On Thu, Jun 27, 2013 at 04:04:59PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> For CRC enabled filesystems, add support for the monotonic inode
> version change counter that is needed by protocols like NFSv4 for
> determining if the inode has changed in any way at all between two
> unrelated operations on the inode.
> 
> This bumps the change count the first time an inode is dirtied in a
> transaction. Since all modifications to the inode are logged, this
> will catch all changes that are made to the inode, including
> timestamp updates that occur during data writes.
> 
> Signed-off-by: Dave Chinner <dchinner at redhat.com>

Applied.