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tree-log.h
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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 
25 int btrfs_sync_log(struct btrfs_trans_handle *trans,
26  struct btrfs_root *root);
27 int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root);
28 int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans,
29  struct btrfs_fs_info *fs_info);
30 int btrfs_recover_log_trees(struct btrfs_root *tree_root);
31 int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans,
32  struct btrfs_root *root, struct dentry *dentry);
33 int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans,
34  struct btrfs_root *root,
35  const char *name, int name_len,
36  struct inode *dir, u64 index);
37 int btrfs_del_inode_ref_in_log(struct btrfs_trans_handle *trans,
38  struct btrfs_root *root,
39  const char *name, int name_len,
40  struct inode *inode, u64 dirid);
41 void btrfs_end_log_trans(struct btrfs_root *root);
42 int btrfs_pin_log_trans(struct btrfs_root *root);
43 int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
44  struct btrfs_root *root, struct inode *inode,
45  struct dentry *parent, int exists_only);
46 void btrfs_record_unlink_dir(struct btrfs_trans_handle *trans,
47  struct inode *dir, struct inode *inode,
48  int for_rename);
49 int btrfs_log_new_name(struct btrfs_trans_handle *trans,
50  struct inode *inode, struct inode *old_dir,
51  struct dentry *parent);
52 #endif
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