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

Mark Tinguely tinguely at sgi.com
Thu Jun 27 10:06:30 CDT 2013


On 06/27/13 01:04, 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>
> ---

Looks good.

Reviewed-by: Mark Tinguely <tinguely at sgi.com>



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