blk-mq: add blk_mq_queue_freeze_start()
authorJens Axboe <axboe@fb.com>
Wed, 21 Jan 2015 18:57:04 +0000 (11:57 -0700)
committerJens Axboe <axboe@fb.com>
Mon, 30 Mar 2015 18:54:57 +0000 (12:54 -0600)
commit99f4092b328a99d07a1d8c038a207709cb2c9c54
tree0e690bfa96b2c5175b7ee8f97c0032d9a99aff6e
parent0966fa18eb8f78abf223c0b2bb884960a8464a97
blk-mq: add blk_mq_queue_freeze_start()

This is a partial backport from mainline to expose the same
API as newer kernels. On forward port, this patch can be dropped.

Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-mq.c
include/linux/blk-mq.h