blk-mq: allow the hctx cpu hotplug notifier to return errors
authorJens Axboe <axboe@fb.com>
Wed, 21 May 2014 19:59:08 +0000 (13:59 -0600)
committerJens Axboe <axboe@fb.com>
Mon, 30 Mar 2015 18:54:48 +0000 (12:54 -0600)
commit38f8d87ebd74a5f693cbbdf363497fb8ccbe2085
treee268f943d6d7cbb7ce07a8a8003400e92efe281d
parent63e9ea6ad8bef5eca0d25c709e2d7fd71e523d6a
blk-mq: allow the hctx cpu hotplug notifier to return errors

Prepare this for the next patch which adds more smarts in the
plugging logic, so that we can save some memory.

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