lib/ext2fs/swapfs.c

   1 /*
   2  * swapfs.c --- swap ext2 filesystem data structures
   3  *
   4  * Copyright (C) 1995 Theodore Ts'o.  This file may be redistributed
   5  * under the terms of the GNU Public License.
   6  */
   7
   8 #include <stdio.h>
   9 #include <unistd.h>
  10 #include <stdlib.h>
  11 #include <time.h>
  12
  13 #include <linux/ext2_fs.h>
  14
  15 #include "ext2fs.h"
  16
  17 void ext2fs_swap_super(struct ext2_super_block * super)
  18 {
  19         super->s_inodes_count = ext2fs_swab32(super->s_inodes_count);
  20         super->s_blocks_count = ext2fs_swab32(super->s_blocks_count);
  21         super->s_r_blocks_count = ext2fs_swab32(super->s_r_blocks_count);
  22         super->s_free_blocks_count = ext2fs_swab32(super->s_free_blocks_count);
  23         super->s_free_inodes_count = ext2fs_swab32(super->s_free_inodes_count);
  24         super->s_first_data_block = ext2fs_swab32(super->s_first_data_block);
  25         super->s_log_block_size = ext2fs_swab32(super->s_log_block_size);
  26         super->s_log_frag_size = ext2fs_swab32(super->s_log_frag_size);
  27         super->s_blocks_per_group = ext2fs_swab32(super->s_blocks_per_group);
  28         super->s_frags_per_group = ext2fs_swab32(super->s_frags_per_group);
  29         super->s_inodes_per_group = ext2fs_swab32(super->s_inodes_per_group);
  30         super->s_mtime = ext2fs_swab32(super->s_mtime);
  31         super->s_wtime = ext2fs_swab32(super->s_wtime);
  32         super->s_mnt_count = ext2fs_swab16(super->s_mnt_count);
  33         super->s_max_mnt_count = ext2fs_swab16(super->s_max_mnt_count);
  34         super->s_magic = ext2fs_swab16(super->s_magic);
  35         super->s_state = ext2fs_swab16(super->s_state);
  36         super->s_errors = ext2fs_swab16(super->s_errors);
  37         super->s_lastcheck = ext2fs_swab32(super->s_lastcheck);
  38         super->s_checkinterval = ext2fs_swab32(super->s_checkinterval);
  39         super->s_creator_os = ext2fs_swab32(super->s_creator_os);
  40         super->s_rev_level = ext2fs_swab32(super->s_rev_level);
  41 #ifdef  EXT2_DEF_RESUID
  42         super->s_def_resuid = ext2fs_swab16(super->s_def_resuid);
  43         super->s_def_resgid = ext2fs_swab16(super->s_def_resgid);
  44 #endif
  45 }
  46
  47 void ext2fs_swap_group_desc(struct ext2_group_desc *gdp)
  48 {
  49         gdp->bg_block_bitmap = ext2fs_swab32(gdp->bg_block_bitmap);
  50         gdp->bg_inode_bitmap = ext2fs_swab32(gdp->bg_inode_bitmap);
  51         gdp->bg_inode_table = ext2fs_swab32(gdp->bg_inode_table);
  52         gdp->bg_free_blocks_count = ext2fs_swab16(gdp->bg_free_blocks_count);
  53         gdp->bg_free_inodes_count = ext2fs_swab16(gdp->bg_free_inodes_count);
  54         gdp->bg_used_dirs_count = ext2fs_swab16(gdp->bg_used_dirs_count);
  55 }
  56
  57
  58