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 -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
