Hey Christoph, On Wed, Feb 01, 2012 at 08:57:19AM -0500, Christoph Hellwig wrote: > This series improves handling of large number of dquots. It replaced > the direct recycling of dquots from the freelist with a shrinker, removes > the upper bound of dquots, and uses per-filesystem structures for all > quota state, including switching from a hash to a radix-tree for lookups. > > For repeated lookups of dquots out of a large pool I see improvements > betwen 50% and 500% compared to the previous code. All these tests > have been performed with Q_XQUOTASYNC already disabled as it would > change the result to much for both the old and new code. > > Note that the first patch probably is a candidate for Linux 3.3, as > the previous quota updates caused a lock order reversal in the old > quota reclaim code. See the actual patch for more details. These conflict with Chandra's project quota patches. I've started looking at them again, but I am a little uncomfortable with the change to the superblock... could I get your opinion of that while I take a look at these? Thanks, Ben _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
