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
  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 int 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