[PATCH 4/4] btrfs: drop devid as device_list_add() arg

[Anand Jain <anand.jain@oracle.com>]

As struct btrfs_disk_super is being passed, so it can get devid
the same way its parent does.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
---
 fs/btrfs/volumes.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index d93ee0b91ad9..e947e47f8fff 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -730,12 +730,13 @@ static int btrfs_open_one_device(struct btrfs_fs_devices *fs_devices,
  * error pointer when failed
  */
 static noinline struct btrfs_device *device_list_add(const char *path,
-			   struct btrfs_super_block *disk_super, u64 devid)
+			   struct btrfs_super_block *disk_super)
 {
 	struct btrfs_device *device;
 	struct btrfs_fs_devices *fs_devices;
 	struct rcu_string *name;
 	u64 found_transid = btrfs_super_generation(disk_super);
+	u64 devid = btrfs_stack_device_id(&disk_super->dev_item);
 
 	fs_devices = find_fsid(disk_super->fsid);
 	if (!fs_devices) {
@@ -1183,7 +1184,6 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
 	struct block_device *bdev;
 	struct page *page;
 	int ret = 0;
-	u64 devid;
 	u64 bytenr;
 
 	/*
@@ -1204,10 +1204,8 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
 		goto error_bdev_put;
 	}
 
-	devid = btrfs_stack_device_id(&disk_super->dev_item);
-
 	mutex_lock(&uuid_mutex);
-	device = device_list_add(path, disk_super, devid);
+	device = device_list_add(path, disk_super);
 	mutex_unlock(&uuid_mutex);
 	if (IS_ERR(device))
 		ret = PTR_ERR(device);
-- 
2.7.0