release/src/router/busybox/e2fsprogs/old_e2fsprogs/ext2fs/ext2fsP.h

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * ext2fsP.h --- private header file for ext2 library
   4  *
   5  * Copyright (C) 1997 Theodore Ts'o.
   6  *
   7  * %Begin-Header%
   8  * This file may be redistributed under the terms of the GNU Public
   9  * License.
  10  * %End-Header%
  11  */
  12
  13 #include "ext2fs.h"
  14
  15 /*
  16  * Badblocks list
  17  */
  18 struct ext2_struct_u32_list {
  19         int     magic;
  20         int     num;
  21         int     size;
  22         __u32   *list;
  23         int     badblocks_flags;
  24 };
  25
  26 struct ext2_struct_u32_iterate {
  27         int                     magic;
  28         ext2_u32_list           bb;
  29         int                     ptr;
  30 };
  31
  32
  33 /*
  34  * Directory block iterator definition
  35  */
  36 struct ext2_struct_dblist {
  37         int                     magic;
  38         ext2_filsys             fs;
  39         ext2_ino_t              size;
  40         ext2_ino_t              count;
  41         int                     sorted;
  42         struct ext2_db_entry *  list;
  43 };
  44
  45 /*
  46  * For directory iterators
  47  */
  48 struct dir_context {
  49         ext2_ino_t              dir;
  50         int             flags;
  51         char            *buf;
  52         int (*func)(ext2_ino_t  dir,
  53                     int entry,
  54                     struct ext2_dir_entry *dirent,
  55                     int offset,
  56                     int blocksize,
  57                     char        *buf,
  58                     void        *priv_data);
  59         void            *priv_data;
  60         errcode_t       errcode;
  61 };
  62
  63 /*
  64  * Inode cache structure
  65  */
  66 struct ext2_inode_cache {
  67         void *                          buffer;
  68         blk_t                           buffer_blk;
  69         int                             cache_last;
  70         int                             cache_size;
  71         int                             refcount;
  72         struct ext2_inode_cache_ent     *cache;
  73 };
  74
  75 struct ext2_inode_cache_ent {
  76         ext2_ino_t              ino;
  77         struct ext2_inode       inode;
  78 };
  79
  80 /* Function prototypes */
  81
  82 extern int ext2fs_process_dir_block(ext2_filsys         fs,
  83                                     blk_t               *blocknr,
  84                                     e2_blkcnt_t         blockcnt,
  85                                     blk_t               ref_block,
  86                                     int                 ref_offset,
  87                                     void                *priv_data);