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>

diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index dcfe619171b4eafa21c5b26825f59d394adb3cc0..2ac07d01bdb532acd1005f436341a825d57fdfe2 100644 (file)
--- 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,