nvme: introduce a nvme_ns_ids structure

This allows us to manage the various uniqueue namespace identifiers
together instead needing various variables and arguments.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 6ae50979c3aa..2f1af915f93a 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -217,6 +217,15 @@ struct nvme_subsystem {
 	u16			vendor_id;
 };
 
+/*
+ * Container structure for uniqueue namespace identifiers.
+ */
+struct nvme_ns_ids {
+	u8	eui64[8];
+	u8	nguid[16];
+	uuid_t	uuid;
+};
+
 struct nvme_ns {
 	struct list_head list;
 
@@ -227,11 +236,8 @@ struct nvme_ns {
 	struct kref kref;
 	int instance;
 
-	u8 eui[8];
-	u8 nguid[16];
-	uuid_t uuid;
-
 	unsigned ns_id;
+	struct nvme_ns_ids ids;
 	int lba_shift;
 	u16 ms;
 	u16 sgs;