works best with CAM based drivers but NATA uses some of its functionality too.
* buf/bio: Make biowait(), getpbuf(), and most other buf/bio functions MPSAFE.
* buffer-cache: Improved pipe-lining for writes.
+ * bpf(4): Add autocloning support
* **devfs(5): Replaced the static /dev directory with a dynamic device file system written by Alex Hornung during the Google Summer of Code 2009.**
* All block devices now auto-probe their slices and partitions.
* All block devices now auto-probe serial numbers and may be mounted and otherwise referenced by serial number.
> ### Hardware changes (networking)
* ae(4): Add driver for Attansic/Atheros L2 FastEthernet (from FreeBSD).
- * bpf(4): Add autocloning support
* em(4): Synced with Intel's em-6.9.6 (from FreeBSD).
* emx(4): Copy of em(4) which supports only 8257{1,2,3} parts.
* iwi(4): Upgrade to use 3.0 firmware and use firmware(9) API to load firmware.