On Thu, Mar 24, 2016 at 10:00:02AM +1100, Dave Chinner wrote: > I'm working on prototype patches to convert it to an in-memory btree > but they are far from ready at this point. This isn't straight > forward because all the extent management code assumes extents are > kept in a linear array and can be directly indexed by array offset > rather than file offset. I also want to make sure we can demand page > the extent list if necessary, and that also complicates things like > locking, as we currently assume the extent list is either completely > in memory or not in memory at all. FYI, I did patches to get rid almost all direct extent array access a while ago, but I never bothered to post it as it seemed to much churn. Have you started that work yet or would it be useful to dust those up again? _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs