2 * Copyright (C) 2007 Oracle. All rights reserved.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
21 #include "extent-cache.h"
25 struct cache_extent cache_node;
31 struct list_head dirty;
32 struct list_head cache;
34 struct btrfs_node node;
35 struct btrfs_leaf leaf;
39 struct btrfs_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
41 struct btrfs_buffer *find_tree_block(struct btrfs_root *root, u64 bytenr,
43 int write_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
44 struct btrfs_buffer *buf);
45 int dirty_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
46 struct btrfs_buffer *buf);
47 int clean_tree_block(struct btrfs_trans_handle *trans,
48 struct btrfs_root *root, struct btrfs_buffer *buf);
49 int btrfs_commit_transaction(struct btrfs_trans_handle *trans, struct btrfs_root
50 *root, struct btrfs_super_block *s);
51 struct btrfs_root *open_ctree(char *filename, struct btrfs_super_block *s);
52 struct btrfs_root *open_ctree_fd(int fp, struct btrfs_super_block *super);
53 int close_ctree(struct btrfs_root *root, struct btrfs_super_block *s);
54 void btrfs_block_release(struct btrfs_root *root, struct btrfs_buffer *buf);
55 int write_ctree_super(struct btrfs_trans_handle *trans, struct btrfs_root *root,
56 struct btrfs_super_block *s);
57 int btrfs_map_bh_to_logical(struct btrfs_root *root, struct btrfs_buffer *bh,
59 int btrfs_csum_super(struct btrfs_root *root, struct btrfs_super_block *super);
60 int btrfs_csum_node(struct btrfs_root *root, struct btrfs_node *node);
61 #define BTRFS_SUPER_INFO_OFFSET (16 * 1024)