Last change
on this file since 1365 was 821, checked in by Bruno Cornec, 18 years ago |
Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)
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File size:
1.3 KB
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1 | /*
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2 | * alloc_sb.c --- Allocate the superblock and block group descriptors for a
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3 | * newly initialized filesystem. Used by mke2fs when initializing a filesystem
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4 | *
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5 | * Copyright (C) 1994, 1995, 1996, 2003 Theodore Ts'o.
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6 | *
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7 | * %Begin-Header%
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8 | * This file may be redistributed under the terms of the GNU Public
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9 | * License.
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10 | * %End-Header%
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11 | */
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12 |
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13 | #include <stdio.h>
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14 | #include <string.h>
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15 | #if HAVE_UNISTD_H
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16 | #include <unistd.h>
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17 | #endif
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18 | #include <fcntl.h>
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19 | #include <time.h>
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20 | #if HAVE_SYS_STAT_H
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21 | #include <sys/stat.h>
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22 | #endif
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23 | #if HAVE_SYS_TYPES_H
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24 | #include <sys/types.h>
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25 | #endif
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26 |
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27 | #include "ext2_fs.h"
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28 | #include "ext2fs.h"
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29 |
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30 | int ext2fs_reserve_super_and_bgd(ext2_filsys fs,
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31 | dgrp_t group,
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32 | ext2fs_block_bitmap bmap)
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33 | {
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34 | blk_t super_blk, old_desc_blk, new_desc_blk;
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35 | int j, old_desc_blocks, num_blocks;
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36 |
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37 | num_blocks = ext2fs_super_and_bgd_loc(fs, group, &super_blk,
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38 | &old_desc_blk, &new_desc_blk, 0);
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39 |
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40 | if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG)
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41 | old_desc_blocks = fs->super->s_first_meta_bg;
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42 | else
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43 | old_desc_blocks =
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44 | fs->desc_blocks + fs->super->s_reserved_gdt_blocks;
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45 |
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46 | if (super_blk || (group == 0))
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47 | ext2fs_mark_block_bitmap(bmap, super_blk);
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48 |
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49 | if (old_desc_blk) {
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50 | for (j=0; j < old_desc_blocks; j++)
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51 | ext2fs_mark_block_bitmap(bmap, old_desc_blk + j);
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52 | }
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53 | if (new_desc_blk)
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54 | ext2fs_mark_block_bitmap(bmap, new_desc_blk);
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55 |
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56 | return num_blocks;
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57 | }
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