On Wed, May 29, 2013 at 02:21:52PM -0500, Mark Tinguely wrote:
> On 05/27/13 01:38, Dave Chinner wrote:
> >From: Dave Chinner<dchinner@xxxxxxxxxx>
> >A long time ago in a galaxy far away....
> >.. the was a commit made to fix some ilinux specific "fragmented
> >buffer" log recovery problem:
> >That problem occurred when a contiguous dirty region of a buffer was
> >split across across two pages of an unmapped buffer. It's been a
> >long time since that has been done in XFS, and the changes to log
> >the entire inode buffers for CRC enabled filesystems has
> >re-introduced that corner case.
> >And, of course, it turns out that the above commit didn't actually
> >fix anything - it just ensured that log recovery is guaranteed to
> >fail when this situation occurs. And now for the gory details.
> Thanks for the great walk through of the problem.
> Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>