fs/jffs/intrep.h

   1 /*
   2  * JFFS -- Journaling Flash File System, Linux implementation.
   3  *
   4  * Copyright (C) 1999, 2000  Axis Communications AB.
   5  *
   6  * Created by Finn Hakansson <finn@axis.com>.
   7  *
   8  * This is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * $Id: intrep.h,v 1.14 2001/09/23 23:28:37 dwmw2 Exp $
  14  *
  15  */
  16
  17 #ifndef __LINUX_JFFS_INTREP_H__
  18 #define __LINUX_JFFS_INTREP_H__
  19 #include "jffs_fm.h"
  20 struct jffs_node *jffs_alloc_node(void);
  21 void jffs_free_node(struct jffs_node *n);
  22 int jffs_get_node_inuse(void);
  23
  24 void jffs_cleanup_control(struct jffs_control *c);
  25 int jffs_build_fs(struct super_block *sb);
  26
  27 int jffs_insert_node(struct jffs_control *c, struct jffs_file *f,
  28                      const struct jffs_raw_inode *raw_inode,
  29                      const char *name, struct jffs_node *node);
  30 struct jffs_file *jffs_find_file(struct jffs_control *c, __u32 ino);
  31 struct jffs_file *jffs_find_child(struct jffs_file *dir, const char *name, int len);
  32
  33 void jffs_free_node(struct jffs_node *node);
  34
  35 int jffs_foreach_file(struct jffs_control *c, int (*func)(struct jffs_file *));
  36 int jffs_possibly_delete_file(struct jffs_file *f);
  37 int jffs_insert_file_into_tree(struct jffs_file *f);
  38 int jffs_unlink_file_from_tree(struct jffs_file *f);
  39 int jffs_file_count(struct jffs_file *f);
  40
  41 int jffs_write_node(struct jffs_control *c, struct jffs_node *node,
  42                     struct jffs_raw_inode *raw_inode,
  43                     const char *name, const unsigned char *buf,
  44                     int recoverable, struct jffs_file *f);
  45 int jffs_read_data(struct jffs_file *f, unsigned char *buf, __u32 read_offset, __u32 size);
  46
  47 /* Garbage collection stuff.  */
  48 int jffs_garbage_collect_thread(void *c);
  49 void jffs_garbage_collect_trigger(struct jffs_control *c);
  50
  51 /* For debugging purposes.  */
  52 void jffs_print_node(struct jffs_node *n);
  53 void jffs_print_raw_inode(struct jffs_raw_inode *raw_inode);
  54 #if 0
  55 int jffs_print_file(struct jffs_file *f);
  56 #endif  /*  0  */
  57 void jffs_print_hash_table(struct jffs_control *c);
  58 void jffs_print_tree(struct jffs_file *first_file, int indent);
  59
  60 #endif /* __LINUX_JFFS_INTREP_H__  */