Excerpts from Chris Mason's message of 2011-07-20 13:21:47 -0400: > Excerpts from Chris Mason's message of 2011-07-19 13:30:22 -0400: > > Hi everyone, > > > > I've pushed out a new integration-test branch, and it includes a new > > reader/writer locking scheme for the btree locks. > > > > We've seen a number of benchmarks dominated by contention on the root > > node lock. This changes our locks into a simple reader/writer lock. > > They are based on mutexes so that we still take advantage of the mutex > > adaptive spins for write locks (rwsemaphores were much slower). > > > > I'm also sending the individual commits, please do take a look. > > Hi everyone, > > I just rebased Josef's enospc fixes into integration-test, it should fix > the warnings in extent-tree.c And one more rebase to fix the x86-32 problems. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
