btrfs: remove unused parameter from init_first_rw_device

The 'device' used to be added in that function, but now it's done by the
caller.
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/volumes.c

@@ -134,8 +134,7 @@ const int btrfs_raid_mindev_error[BTRFS_NR_RAID_TYPES] = {
 };
 
 static int init_first_rw_device(struct btrfs_trans_handle *trans,
-				struct btrfs_fs_info *fs_info,
-				struct btrfs_device *device);
+				struct btrfs_fs_info *fs_info);
 static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info);
 static void __btrfs_reset_dev_stats(struct btrfs_device *dev);
 static void btrfs_dev_stat_print_on_error(struct btrfs_device *dev);
@@ -2440,7 +2439,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, char *device_path)
 
 	if (seeding_dev) {
 		mutex_lock(&fs_info->chunk_mutex);
-		ret = init_first_rw_device(trans, fs_info, device);
+		ret = init_first_rw_device(trans, fs_info);
 		mutex_unlock(&fs_info->chunk_mutex);
 		if (ret) {
 			btrfs_abort_transaction(trans, ret);
@@ -5012,8 +5011,7 @@ int btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
 }
 
 static noinline int init_first_rw_device(struct btrfs_trans_handle *trans,
-					 struct btrfs_fs_info *fs_info,
-					 struct btrfs_device *device)
+					 struct btrfs_fs_info *fs_info)
 {
 	struct btrfs_root *extent_root = fs_info->extent_root;
 	u64 chunk_offset;