Btrfs: remove unused argument of btrfs_extend_item()

Argument 'trans' is not used in btrfs_extend_item().
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

fs/btrfs/ctree.c

@@ -4383,8 +4383,7 @@ void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
 /*
  * make the item pointed to by the path bigger, data_size is the new size.
  */
-void btrfs_extend_item(struct btrfs_trans_handle *trans,
-		       struct btrfs_root *root, struct btrfs_path *path,
+void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
 		       u32 data_size)
 {
 	int slot;

fs/btrfs/ctree.h

@@ -3219,8 +3219,7 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans,
 		      struct extent_buffer **cow_ret, u64 new_root_objectid);
 int btrfs_block_can_be_shared(struct btrfs_root *root,
 			      struct extent_buffer *buf);
-void btrfs_extend_item(struct btrfs_trans_handle *trans,
-		       struct btrfs_root *root, struct btrfs_path *path,
+void btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
 		       u32 data_size);
 void btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
 			 u32 new_size, int from_end);

fs/btrfs/dir-item.c

@@ -49,7 +49,7 @@ static struct btrfs_dir_item *insert_with_overflow(struct btrfs_trans_handle
 		di = btrfs_match_dir_item_name(root, path, name, name_len);
 		if (di)
 			return ERR_PTR(-EEXIST);
-		btrfs_extend_item(trans, root, path, data_size);
+		btrfs_extend_item(root, path, data_size);
 	} else if (ret < 0)
 		return ERR_PTR(ret);
 	WARN_ON(ret > 0);

fs/btrfs/extent-tree.c

@@ -1035,7 +1035,7 @@ static int convert_extent_item_v0(struct btrfs_trans_handle *trans,
 		return ret;
 	BUG_ON(ret); /* Corruption */
 
-	btrfs_extend_item(trans, root, path, new_size);
+	btrfs_extend_item(root, path, new_size);
 
 	leaf = path->nodes[0];
 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);
@@ -1683,7 +1683,7 @@ void setup_inline_extent_backref(struct btrfs_trans_handle *trans,
 	type = extent_ref_type(parent, owner);
 	size = btrfs_extent_inline_ref_size(type);
 
-	btrfs_extend_item(trans, root, path, size);
+	btrfs_extend_item(root, path, size);
 
 	ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);
 	refs = btrfs_extent_refs(leaf, ei);

fs/btrfs/file-item.c

@@ -841,7 +841,7 @@ int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans,
 		diff /= csum_size;
 		diff *= csum_size;
 
-		btrfs_extend_item(trans, root, path, diff);
+		btrfs_extend_item(root, path, diff);
 		goto csum;
 	}
 

fs/btrfs/inode-item.c

@@ -361,7 +361,7 @@ static int btrfs_insert_inode_extref(struct btrfs_trans_handle *trans,
 						   name, name_len, NULL))
 			goto out;
 
-		btrfs_extend_item(trans, root, path, ins_len);
+		btrfs_extend_item(root, path, ins_len);
 		ret = 0;
 	}
 	if (ret < 0)
@@ -417,7 +417,7 @@ int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans,
 			goto out;
 
 		old_size = btrfs_item_size_nr(path->nodes[0], path->slots[0]);
-		btrfs_extend_item(trans, root, path, ins_len);
+		btrfs_extend_item(root, path, ins_len);
 		ref = btrfs_item_ptr(path->nodes[0], path->slots[0],
 				     struct btrfs_inode_ref);
 		ref = (struct btrfs_inode_ref *)((unsigned long)ref + old_size);

fs/btrfs/tree-log.c

@@ -410,7 +410,7 @@ static noinline int overwrite_item(struct btrfs_trans_handle *trans,
 		if (found_size > item_size)
 			btrfs_truncate_item(root, path, item_size, 1);
 		else if (found_size < item_size)
-			btrfs_extend_item(trans, root, path,
+			btrfs_extend_item(root, path,
 					  item_size - found_size);
 	} else if (ret) {
 		return ret;