Re: [PATCH 06/18] xfs: make xfs_writepage_map extent map centric

Christoph Hellwig
2018-05-31T16:04:34Z

On Wed, May 30, 2018 at 01:39:56PM -0400, Brian Foster wrote:
> I believe Dave originally intended to split this up into multiple
> patches. Dave, did you happen to get anywhere with that before Christoph
> pulled this in?

I've split a few bits off.

>
> If not, could we at least split off some of the behavior changes into
> separate patches? For example, dropping the !mapped && uptodate check
> that causes us to writeback zeroed blocks over unwritten extents is a
> behavior change that warrants a separate patch.

But that is the one part I can't easily split off. It would require
tons of spurious changes to the old system of buffer flags, which
might be doable but would be removed in the next patch.