kernel - Do a better job locking CAM ref counts
commitb3fef7a1c7af0e46de2e155f1c8e644545bfa7cf
authorMatthew Dillon <dillon@apollo.backplane.com>
Wed, 28 Dec 2016 01:30:23 +0000 (27 17:30 -0800)
committerMatthew Dillon <dillon@apollo.backplane.com>
Wed, 28 Dec 2016 01:30:23 +0000 (27 17:30 -0800)
treec07df89e0549b2d3fc2e2c9160174982c614a22c
parent5abb6f6135948218f7c5e756a839125e1090d9ba
kernel - Do a better job locking CAM ref counts

* Fix some ref-count races inside CAM which can be triggered particularly
  by asynchronous AHCI probing.
sys/bus/cam/cam_xpt.c