block/blk-mq-cpu.c: use hotcpu_notifier()

Cleaner, reduces text size when cpu hotplug is disabled.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-mq-cpu.c b/block/blk-mq-cpu.c
index 20576e3476e9f9fdb7c951c197223cbb58c4ee05..3146befb56aaac7b925428d0afee89c9e083094a 100644 (file)
--- a/block/blk-mq-cpu.c
+++ b/block/blk-mq-cpu.c
@@ -28,10 +28,6 @@ static int blk_mq_main_cpu_notify(struct notifier_block *self,
        return NOTIFY_OK;
 }
 
-static struct notifier_block __cpuinitdata blk_mq_main_cpu_notifier = {
-       .notifier_call  = blk_mq_main_cpu_notify,
-};
-
 void blk_mq_register_cpu_notifier(struct blk_mq_cpu_notifier *notifier)
 {
        BUG_ON(!notifier->notify);
@@ -58,5 +54,5 @@ void blk_mq_init_cpu_notifier(struct blk_mq_cpu_notifier *notifier,
 
 void __init blk_mq_cpu_init(void)
 {
-       register_hotcpu_notifier(&blk_mq_main_cpu_notifier);
+       hotcpu_notifier(blk_mq_main_cpu_notify, 0);
 }