blk-mq/cpu-notif: Convert to new hotplug state machine
Replace the block-mq notifier list management with the multi instance
facility in the cpu hotplug state machine.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-block@vger.kernel.org
Cc: rt@linutronix.de
Cc: Christoph Hellwing <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index fbcfdf3..b3d1a7f 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -7,12 +7,6 @@
struct blk_mq_tags;
struct blk_flush_queue;
-struct blk_mq_cpu_notifier {
- struct list_head list;
- void *data;
- int (*notify)(void *data, unsigned long action, unsigned int cpu);
-};
-
struct blk_mq_hw_ctx {
struct {
spinlock_t lock;
@@ -53,7 +47,7 @@
struct delayed_work delay_work;
- struct blk_mq_cpu_notifier cpu_notifier;
+ struct hlist_node cpuhp_dead;
struct kobject kobj;
unsigned long poll_considered;