fs/nilfs2/dat.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * NILFS disk address translation.
   4  *
   5  * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
   6  *
   7  * Written by Koji Sato.
   8  */
   9
  10 #ifndef _NILFS_DAT_H
  11 #define _NILFS_DAT_H
  12
  13 #include <linux/types.h>
  14 #include <linux/buffer_head.h>
  15 #include <linux/fs.h>
  16 #include <linux/nilfs2_ondisk.h>        /* nilfs_inode, nilfs_checkpoint */
  17
  18
  19 struct nilfs_palloc_req;
  20
  21 int nilfs_dat_translate(struct inode *, __u64, sector_t *);
  22
  23 int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *);
  24 void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *);
  25 void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *);
  26 int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *);
  27 void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *,
  28                             sector_t);
  29 int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *);
  30 void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int);
  31 void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *);
  32 int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *,
  33                              struct nilfs_palloc_req *);
  34 void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *,
  35                              struct nilfs_palloc_req *, int);
  36 void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *,
  37                             struct nilfs_palloc_req *);
  38
  39 int nilfs_dat_mark_dirty(struct inode *, __u64);
  40 int nilfs_dat_freev(struct inode *, __u64 *, size_t);
  41 int nilfs_dat_move(struct inode *, __u64, sector_t);
  42 ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned int, size_t);
  43
  44 int nilfs_dat_read(struct super_block *sb, size_t entry_size,
  45                    struct nilfs_inode *raw_inode, struct inode **inodep);
  46
  47 #endif  /* _NILFS_DAT_H */