LXR linux/fs/nilfs2/cpfile.h

   1/*
   2 * cpfile.h - NILFS checkpoint file.
   3 *
   4 * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 *
  20 * Written by Koji Sato <koji@osrg.net>.
  21 */
  22
  23#ifndef _NILFS_CPFILE_H
  24#define _NILFS_CPFILE_H
  25
  26#include <linux/fs.h>
  27#include <linux/buffer_head.h>
  28#include <linux/nilfs2_fs.h>
  29
  30
  31int nilfs_cpfile_get_checkpoint(struct inode *, __u64, int,
  32                                struct nilfs_checkpoint **,
  33                                struct buffer_head **);
  34void nilfs_cpfile_put_checkpoint(struct inode *, __u64, struct buffer_head *);
  35int nilfs_cpfile_delete_checkpoints(struct inode *, __u64, __u64);
  36int nilfs_cpfile_delete_checkpoint(struct inode *, __u64);
  37int nilfs_cpfile_change_cpmode(struct inode *, __u64, int);
  38int nilfs_cpfile_is_snapshot(struct inode *, __u64);
  39int nilfs_cpfile_get_stat(struct inode *, struct nilfs_cpstat *);
  40ssize_t nilfs_cpfile_get_cpinfo(struct inode *, __u64 *, int, void *, unsigned,
  41                                size_t);
  42
  43int nilfs_cpfile_read(struct super_block *sb, size_t cpsize,
  44                      struct nilfs_inode *raw_inode, struct inode **inodep);
  45
  46#endif  /* _NILFS_CPFILE_H */
  47