Ignore:
Timestamp:
Jan 1, 2014, 12:47:38 AM (7 years ago)
Author:
Bruno Cornec
Message:
  • Update mindi-busybox to 1.21.1
File:
1 edited

Legend:

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  • branches/3.2/mindi-busybox/util-linux/mkfs_ext2.c

    r2725 r3232  
    88 * Licensed under GPLv2, see file LICENSE in this source tree.
    99 */
     10
     11//usage:#define mkfs_ext2_trivial_usage
     12//usage:       "[-Fn] "
     13/* //usage:    "[-c|-l filename] " */
     14//usage:       "[-b BLK_SIZE] "
     15/* //usage:    "[-f fragment-size] [-g blocks-per-group] " */
     16//usage:       "[-i INODE_RATIO] [-I INODE_SIZE] "
     17/* //usage:    "[-j] [-J journal-options] [-N number-of-inodes] " */
     18//usage:       "[-m RESERVED_PERCENT] "
     19/* //usage:    "[-o creator-os] [-O feature[,...]] [-q] " */
     20/* //usage:    "[r fs-revision-level] [-E extended-options] [-v] [-F] " */
     21//usage:       "[-L LABEL] "
     22/* //usage:    "[-M last-mounted-directory] [-S] [-T filesystem-type] " */
     23//usage:       "BLOCKDEV [KBYTES]"
     24//usage:#define mkfs_ext2_full_usage "\n\n"
     25//usage:       "    -b BLK_SIZE Block size, bytes"
     26/* //usage:  "\n    -c      Check device for bad blocks" */
     27/* //usage:  "\n    -E opts     Set extended options" */
     28/* //usage:  "\n    -f size     Fragment size in bytes" */
     29//usage:     "\n    -F      Force"
     30/* //usage:  "\n    -g N        Number of blocks in a block group" */
     31//usage:     "\n    -i RATIO    Max number of files is filesystem_size / RATIO"
     32//usage:     "\n    -I BYTES    Inode size (min 128)"
     33/* //usage:  "\n    -j      Create a journal (ext3)" */
     34/* //usage:  "\n    -J opts     Set journal options (size/device)" */
     35/* //usage:  "\n    -l file     Read bad blocks list from file" */
     36//usage:     "\n    -L LBL      Volume label"
     37//usage:     "\n    -m PERCENT  Percent of blocks to reserve for admin"
     38/* //usage:  "\n    -M dir      Set last mounted directory" */
     39//usage:     "\n    -n      Dry run"
     40/* //usage:  "\n    -N N        Number of inodes to create" */
     41/* //usage:  "\n    -o os       Set the 'creator os' field" */
     42/* //usage:  "\n    -O features Dir_index/filetype/has_journal/journal_dev/sparse_super" */
     43/* //usage:  "\n    -q      Quiet" */
     44/* //usage:  "\n    -r rev      Set filesystem revision" */
     45/* //usage:  "\n    -S      Write superblock and group descriptors only" */
     46/* //usage:  "\n    -T fs-type  Set usage type (news/largefile/largefile4)" */
     47/* //usage:  "\n    -v      Verbose" */
     48
    1049#include "libbb.h"
    1150#include <linux/fs.h>
    12 #include <linux/ext2_fs.h>
     51#include "bb_e2fs_defs.h"
    1352
    1453#define ENABLE_FEATURE_MKFS_EXT2_RESERVED_GDT 0
    1554#define ENABLE_FEATURE_MKFS_EXT2_DIR_INDEX    1
    16 
    17 // from e2fsprogs
    18 #define s_reserved_gdt_blocks s_padding1
    19 #define s_mkfs_time           s_reserved[0]
    20 #define s_flags               s_reserved[22]
    2155
    2256#define EXT2_HASH_HALF_MD4       1
     
    444478    STORE_LE(sb->s_inode_size, inodesize);
    445479    // set "Required extra isize" and "Desired extra isize" fields to 28
    446     if (inodesize != sizeof(*inode))
    447         STORE_LE(sb->s_reserved[21], 0x001C001C);
     480    if (inodesize != sizeof(*inode)) {
     481        STORE_LE(sb->s_min_extra_isize, 0x001c);
     482        STORE_LE(sb->s_want_extra_isize, 0x001c);
     483    }
    448484    STORE_LE(sb->s_first_ino, EXT2_GOOD_OLD_FIRST_INO);
    449485    STORE_LE(sb->s_log_block_size, blocksize_log2 - EXT2_MIN_BLOCK_LOG_SIZE);
     
    577613    // zero boot sectors
    578614    memset(buf, 0, blocksize);
    579     PUT(0, buf, 1024); // N.B. 1024 <= blocksize, so buf[0..1023] contains zeros
     615    // Disabled: standard mke2fs doesn't do this, and
     616    // on SPARC this destroys Sun disklabel.
     617    // Users who need/want zeroing can easily do it with dd.
     618    //PUT(0, buf, 1024); // N.B. 1024 <= blocksize, so buf[0..1023] contains zeros
     619
    580620    // zero inode tables
    581621    for (i = 0; i < ngroups; ++i)
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