NVMe: CPU hot plug notification

Registers with hot cpu notification to rebalance, and potentially allocate
additional, io queues.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index f0f95c719685..15d071eba8b8 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -92,6 +92,7 @@ struct nvme_dev {
         struct kref kref;
         struct miscdevice miscdev;
         struct work_struct reset_work;
+        struct notifier_block nb;
         char name[12];
         char serial[20];
         char model[40];