On Thu, Mar 24, 2016 at 02:31:27AM -0700, Christoph Hellwig wrote: > 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? I've done bits of it, but haven't completed it - send me the patches and I'll see which approch makes the most sense... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
