linux/fs/btrfs/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
  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_free_log_root_tree(struct btrfs_trans_handle *trans,
  29                             struct btrfs_fs_info *fs_info);
  30int btrfs_recover_log_trees(struct btrfs_root *tree_root);
  31int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans,
  32                          struct btrfs_root *root, struct dentry *dentry);
  33int 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);
  37int 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);
  41void btrfs_end_log_trans(struct btrfs_root *root);
  42int btrfs_pin_log_trans(struct btrfs_root *root);
  43int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
  44                    struct btrfs_root *root, struct inode *inode,
  45                    struct dentry *parent, int exists_only);
  46void btrfs_record_unlink_dir(struct btrfs_trans_handle *trans,
  47                             struct inode *dir, struct inode *inode,
  48                             int for_rename);
  49int btrfs_log_new_name(struct btrfs_trans_handle *trans,
  50                        struct inode *inode, struct inode *old_dir,
  51                        struct dentry *parent);
  52#endif
  53
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