Root/fs/btrfs/tree-log.h

1/*
2 * Copyright (C) 2008 Oracle. All rights reserved.
3 *
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.
7 *
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.
12 *
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.
17 */
18
19#ifndef __TREE_LOG_
20#define __TREE_LOG_
21
22/* return value for btrfs_log_dentry_safe that means we don't need to log it at all */
23#define BTRFS_NO_LOG_SYNC 256
24
25int btrfs_sync_log(struct btrfs_trans_handle *trans,
26           struct btrfs_root *root);
27int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root);
28int btrfs_recover_log_trees(struct btrfs_root *tree_root);
29int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans,
30              struct btrfs_root *root, struct dentry *dentry);
31int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans,
32                 struct btrfs_root *root,
33                 const char *name, int name_len,
34                 struct inode *dir, u64 index);
35int btrfs_del_inode_ref_in_log(struct btrfs_trans_handle *trans,
36                   struct btrfs_root *root,
37                   const char *name, int name_len,
38                   struct inode *inode, u64 dirid);
39int btrfs_join_running_log_trans(struct btrfs_root *root);
40int btrfs_end_log_trans(struct btrfs_root *root);
41int btrfs_pin_log_trans(struct btrfs_root *root);
42int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
43            struct btrfs_root *root, struct inode *inode,
44            struct dentry *parent, int exists_only);
45void btrfs_record_unlink_dir(struct btrfs_trans_handle *trans,
46                 struct inode *dir, struct inode *inode,
47                 int for_rename);
48int btrfs_log_new_name(struct btrfs_trans_handle *trans,
49            struct inode *inode, struct inode *old_dir,
50            struct dentry *parent);
51#endif
52

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