On 20.07.2011 19:21, Chris Mason wrote: > 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 > With the current integration-test branch I get very early enospc on a 7G volume create with -m single -d single and fs_mark-3.3/fs_mark -d /mnt/fsm -D 512 -t 16 -n 4096 -s 51200 -L5 -S0 -R1 It enospces at about 20%, but I can continue to fill it up to 94%. -Arne -- 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
