NVMe: Asynchronous controller probe

This performs the longest parts of nvme device probe in scheduled work.
This speeds up probe significantly when multiple devices are in use.

Signed-off-by: Keith Busch <keith.busch@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 383d495c5e4c..e2429e8cdab4 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -91,6 +91,7 @@ struct nvme_dev {
         struct device *device;
         work_func_t reset_workfn;
         struct work_struct reset_work;
+        struct work_struct probe_work;
         char name[12];
         char serial[20];
         char model[40];