Phoronix: Btrfs File-System Tuning Benchmarks On Linux 3.9

For those of you wondering the performance impact of using mount options for tuning the Btrfs file-system on the soon-to-be-out Linux 3.9 kernel, here's some benchmarks of common Btrfs mount options...

http://www.phoronix.com/vr.php?view=MTM0OTU