blk/mq: Reserve hotplug states for block multiqueue

This patch only reserves two CPU hotplug states for block/mq so the block tree
can apply the conversion patches.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/20160906170457.32393-20-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index dcfe619171b4..2ac07d01bdb5 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -14,6 +14,7 @@ enum cpuhp_state {
         CPUHP_PERF_SUPERH,
         CPUHP_X86_HPET_DEAD,
         CPUHP_X86_APB_DEAD,
+        CPUHP_BLK_MQ_DEAD,
         CPUHP_WORKQUEUE_PREP,
         CPUHP_POWER_NUMA_PREPARE,
         CPUHP_HRTIMERS_PREPARE,
@@ -22,6 +23,7 @@ enum cpuhp_state {
         CPUHP_SMPCFD_PREPARE,
         CPUHP_RCUTREE_PREP,
         CPUHP_NOTIFY_PREPARE,
+        CPUHP_BLK_MQ_PREPARE,
         CPUHP_TIMERS_DEAD,
         CPUHP_BRINGUP_CPU,
         CPUHP_AP_IDLE_DEAD,