nvme-fabrics: check more command sizes

struct common_command provides a common structure for NVMe-oF command
format.  It also needs to be checked for unintended size growth.
Signed-off-by: NMinwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: NSagi Grimberg <sagi@grimberg.me>
Reviewed-by: NChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>

drivers/nvme/host/fabrics.c

@@ -1188,6 +1188,7 @@ static void __exit nvmf_exit(void)
 	class_destroy(nvmf_class);
 	nvmf_host_put(nvmf_default_host);
 
+	BUILD_BUG_ON(sizeof(struct nvmf_common_command) != 64);
 	BUILD_BUG_ON(sizeof(struct nvmf_connect_command) != 64);
 	BUILD_BUG_ON(sizeof(struct nvmf_property_get_command) != 64);
 	BUILD_BUG_ON(sizeof(struct nvmf_property_set_command) != 64);