blk-mq: Export freeze/unfreeze functions
authorKeith Busch <keith.busch@intel.com>
Sat, 20 Dec 2014 00:54:14 +0000 (17:54 -0700)
committerJens Axboe <axboe@fb.com>
Sat, 20 Dec 2014 17:34:15 +0000 (10:34 -0700)
Let drivers prevent entering a queue that isn't available.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

No differences found