On Mon, Aug 19, 2013 at 08:30:02PM -0700, Andy Lutomirski wrote: > On Mon, Aug 19, 2013 at 7:38 PM, Dave Chinner <david@xxxxxxxxxxxxx> wrote: > > On Fri, Aug 16, 2013 at 04:22:12PM -0700, Andy Lutomirski wrote: > >> A fancier implementation could probably avoid an extra journal > >> transaction by adding a mapping_test_clear_cmtime call in > >> ext4_writepages, but this should already be a considerable > >> improvement -- we'll start one transaction per writepages call > >> instead of one per page. > > > > I'd like to see more than just an ext4 implementation - btrfs and > > XFS are the other main filesystems that should behave identically. > > Will do. > > > > > Also, it's worthwhile to write a generic xfstest to ensure that they > > all update the timestamp appropriately - if its' in xfstests, then > > we can basically guarantee that it won't get randomly regressed in > > future, and other filesystems can be easily verified as well sa > > their implement this. > > > > Is there a guide to writing an xfstest? Yes. see the readme file in the root directory of the repository. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
