diff options
Diffstat (limited to 'util-linux/mkfs_minix.c')
-rw-r--r-- | util-linux/mkfs_minix.c | 734 |
1 files changed, 734 insertions, 0 deletions
diff --git a/util-linux/mkfs_minix.c b/util-linux/mkfs_minix.c new file mode 100644 index 0000000..b29bf5a --- /dev/null +++ b/util-linux/mkfs_minix.c @@ -0,0 +1,734 @@ +/* vi: set sw=4 ts=4: */ +/* + * mkfs.c - make a linux (minix) file-system. + * + * (C) 1991 Linus Torvalds. This file may be redistributed as per + * the Linux copyright. + */ + +/* + * DD.MM.YY + * + * 24.11.91 - Time began. Used the fsck sources to get started. + * + * 25.11.91 - Corrected some bugs. Added support for ".badblocks" + * The algorithm for ".badblocks" is a bit weird, but + * it should work. Oh, well. + * + * 25.01.92 - Added the -l option for getting the list of bad blocks + * out of a named file. (Dave Rivers, rivers@ponds.uucp) + * + * 28.02.92 - Added %-information when using -c. + * + * 28.02.93 - Added support for other namelengths than the original + * 14 characters so that I can test the new kernel routines.. + * + * 09.10.93 - Make exit status conform to that required by fsutil + * (Rik Faith, faith@cs.unc.edu) + * + * 31.10.93 - Added inode request feature, for backup floppies: use + * 32 inodes, for a news partition use more. + * (Scott Heavner, sdh@po.cwru.edu) + * + * 03.01.94 - Added support for file system valid flag. + * (Dr. Wettstein, greg%wind.uucp@plains.nodak.edu) + * + * 30.10.94 - added support for v2 filesystem + * (Andreas Schwab, schwab@issan.informatik.uni-dortmund.de) + * + * 09.11.94 - Added test to prevent overwrite of mounted fs adapted + * from Theodore Ts'o's (tytso@athena.mit.edu) mke2fs + * program. (Daniel Quinlan, quinlan@yggdrasil.com) + * + * 03.20.95 - Clear first 512 bytes of filesystem to make certain that + * the filesystem is not misidentified as a MS-DOS FAT filesystem. + * (Daniel Quinlan, quinlan@yggdrasil.com) + * + * 02.07.96 - Added small patch from Russell King to make the program a + * good deal more portable (janl@math.uio.no) + * + * Usage: mkfs [-c | -l filename ] [-v] [-nXX] [-iXX] device [size-in-blocks] + * + * -c for readability checking (SLOW!) + * -l for getting a list of bad blocks from a file. + * -n for namelength (currently the kernel only uses 14 or 30) + * -i for number of inodes + * -v for v2 filesystem + * + * The device may be a block device or a image of one, but this isn't + * enforced (but it's not much fun on a character device :-). + * + * Modified for BusyBox by Erik Andersen <andersen@debian.org> -- + * removed getopt based parser and added a hand rolled one. + */ + +#include "libbb.h" +#include <mntent.h> + +#include "minix.h" + +/* Store the very same times/uids/gids for image consistency */ +#if 1 +# define CUR_TIME 0 +# define GETUID 0 +# define GETGID 0 +#else +/* Was using this. Is it useful? NB: this will break testsuite */ +# define CUR_TIME time(NULL) +# define GETUID getuid() +# define GETGID getgid() +#endif + +enum { + MAX_GOOD_BLOCKS = 512, + TEST_BUFFER_BLOCKS = 16, +}; + +#if !ENABLE_FEATURE_MINIX2 +enum { version2 = 0 }; +#endif + +enum { dev_fd = 3 }; + +struct globals { +#if ENABLE_FEATURE_MINIX2 + smallint version2; +#define version2 G.version2 +#endif + char *device_name; + uint32_t total_blocks; + int badblocks; + int namelen; + int dirsize; + int magic; + char *inode_buffer; + char *inode_map; + char *zone_map; + int used_good_blocks; + unsigned long req_nr_inodes; + unsigned currently_testing; + + char root_block[BLOCK_SIZE]; + char superblock_buffer[BLOCK_SIZE]; + char boot_block_buffer[512]; + unsigned short good_blocks_table[MAX_GOOD_BLOCKS]; + /* check_blocks(): buffer[] was the biggest static in entire bbox */ + char check_blocks_buffer[BLOCK_SIZE * TEST_BUFFER_BLOCKS]; + + unsigned short ind_block1[BLOCK_SIZE >> 1]; + unsigned short dind_block1[BLOCK_SIZE >> 1]; + unsigned long ind_block2[BLOCK_SIZE >> 2]; + unsigned long dind_block2[BLOCK_SIZE >> 2]; +}; +#define G (*ptr_to_globals) +#define INIT_G() do { \ + SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \ +} while (0) + +static ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n) +{ + return (size + n-1) / n; +} + +#define INODE_BUF1 (((struct minix1_inode*)G.inode_buffer) - 1) +#define INODE_BUF2 (((struct minix2_inode*)G.inode_buffer) - 1) + +#define SB (*(struct minix_superblock*)G.superblock_buffer) + +#define SB_INODES (SB.s_ninodes) +#define SB_IMAPS (SB.s_imap_blocks) +#define SB_ZMAPS (SB.s_zmap_blocks) +#define SB_FIRSTZONE (SB.s_firstdatazone) +#define SB_ZONE_SIZE (SB.s_log_zone_size) +#define SB_MAXSIZE (SB.s_max_size) +#define SB_MAGIC (SB.s_magic) + +#if !ENABLE_FEATURE_MINIX2 +# define SB_ZONES (SB.s_nzones) +# define INODE_BLOCKS div_roundup(SB_INODES, MINIX1_INODES_PER_BLOCK) +#else +# define SB_ZONES (version2 ? SB.s_zones : SB.s_nzones) +# define INODE_BLOCKS div_roundup(SB_INODES, \ + (version2 ? MINIX2_INODES_PER_BLOCK : MINIX1_INODES_PER_BLOCK)) +#endif + +#define INODE_BUFFER_SIZE (INODE_BLOCKS * BLOCK_SIZE) +#define NORM_FIRSTZONE (2 + SB_IMAPS + SB_ZMAPS + INODE_BLOCKS) + +/* Before you ask "where they come from?": */ +/* setbit/clrbit are supplied by sys/param.h */ + +static int minix_bit(const char* a, unsigned i) +{ + return a[i >> 3] & (1<<(i & 7)); +} + +static void minix_setbit(char *a, unsigned i) +{ + setbit(a, i); +} +static void minix_clrbit(char *a, unsigned i) +{ + clrbit(a, i); +} + +/* Note: do not assume 0/1, it is 0/nonzero */ +#define zone_in_use(x) minix_bit(G.zone_map,(x)-SB_FIRSTZONE+1) +/*#define inode_in_use(x) minix_bit(G.inode_map,(x))*/ + +#define mark_inode(x) minix_setbit(G.inode_map,(x)) +#define unmark_inode(x) minix_clrbit(G.inode_map,(x)) +#define mark_zone(x) minix_setbit(G.zone_map,(x)-SB_FIRSTZONE+1) +#define unmark_zone(x) minix_clrbit(G.zone_map,(x)-SB_FIRSTZONE+1) + +#ifndef BLKGETSIZE +# define BLKGETSIZE _IO(0x12,96) /* return device size */ +#endif + + +static long valid_offset(int fd, int offset) +{ + char ch; + + if (lseek(fd, offset, SEEK_SET) < 0) + return 0; + if (read(fd, &ch, 1) < 1) + return 0; + return 1; +} + +static int count_blocks(int fd) +{ + int high, low; + + low = 0; + for (high = 1; valid_offset(fd, high); high *= 2) + low = high; + + while (low < high - 1) { + const int mid = (low + high) / 2; + + if (valid_offset(fd, mid)) + low = mid; + else + high = mid; + } + valid_offset(fd, 0); + return (low + 1); +} + +static int get_size(const char *file) +{ + int fd; + long size; + + fd = xopen(file, O_RDWR); + if (ioctl(fd, BLKGETSIZE, &size) >= 0) { + close(fd); + return (size * 512); + } + + size = count_blocks(fd); + close(fd); + return size; +} + +static void write_tables(void) +{ + /* Mark the superblock valid. */ + SB.s_state |= MINIX_VALID_FS; + SB.s_state &= ~MINIX_ERROR_FS; + + msg_eol = "seek to 0 failed"; + xlseek(dev_fd, 0, SEEK_SET); + + msg_eol = "cannot clear boot sector"; + xwrite(dev_fd, G.boot_block_buffer, 512); + + msg_eol = "seek to BLOCK_SIZE failed"; + xlseek(dev_fd, BLOCK_SIZE, SEEK_SET); + + msg_eol = "cannot write superblock"; + xwrite(dev_fd, G.superblock_buffer, BLOCK_SIZE); + + msg_eol = "cannot write inode map"; + xwrite(dev_fd, G.inode_map, SB_IMAPS * BLOCK_SIZE); + + msg_eol = "cannot write zone map"; + xwrite(dev_fd, G.zone_map, SB_ZMAPS * BLOCK_SIZE); + + msg_eol = "cannot write inodes"; + xwrite(dev_fd, G.inode_buffer, INODE_BUFFER_SIZE); + + msg_eol = "\n"; +} + +static void write_block(int blk, char *buffer) +{ + xlseek(dev_fd, blk * BLOCK_SIZE, SEEK_SET); + xwrite(dev_fd, buffer, BLOCK_SIZE); +} + +static int get_free_block(void) +{ + int blk; + + if (G.used_good_blocks + 1 >= MAX_GOOD_BLOCKS) + bb_error_msg_and_die("too many bad blocks"); + if (G.used_good_blocks) + blk = G.good_blocks_table[G.used_good_blocks - 1] + 1; + else + blk = SB_FIRSTZONE; + while (blk < SB_ZONES && zone_in_use(blk)) + blk++; + if (blk >= SB_ZONES) + bb_error_msg_and_die("not enough good blocks"); + G.good_blocks_table[G.used_good_blocks] = blk; + G.used_good_blocks++; + return blk; +} + +static void mark_good_blocks(void) +{ + int blk; + + for (blk = 0; blk < G.used_good_blocks; blk++) + mark_zone(G.good_blocks_table[blk]); +} + +static int next(int zone) +{ + if (!zone) + zone = SB_FIRSTZONE - 1; + while (++zone < SB_ZONES) + if (zone_in_use(zone)) + return zone; + return 0; +} + +static void make_bad_inode(void) +{ + struct minix1_inode *inode = &INODE_BUF1[MINIX_BAD_INO]; + int i, j, zone; + int ind = 0, dind = 0; + /* moved to globals to reduce stack usage + unsigned short ind_block[BLOCK_SIZE >> 1]; + unsigned short dind_block[BLOCK_SIZE >> 1]; + */ +#define ind_block (G.ind_block1) +#define dind_block (G.dind_block1) + +#define NEXT_BAD (zone = next(zone)) + + if (!G.badblocks) + return; + mark_inode(MINIX_BAD_INO); + inode->i_nlinks = 1; + /* BTW, setting this makes all images different */ + /* it's harder to check for bugs then - diff isn't helpful :(... */ + inode->i_time = CUR_TIME; + inode->i_mode = S_IFREG + 0000; + inode->i_size = G.badblocks * BLOCK_SIZE; + zone = next(0); + for (i = 0; i < 7; i++) { + inode->i_zone[i] = zone; + if (!NEXT_BAD) + goto end_bad; + } + inode->i_zone[7] = ind = get_free_block(); + memset(ind_block, 0, BLOCK_SIZE); + for (i = 0; i < 512; i++) { + ind_block[i] = zone; + if (!NEXT_BAD) + goto end_bad; + } + inode->i_zone[8] = dind = get_free_block(); + memset(dind_block, 0, BLOCK_SIZE); + for (i = 0; i < 512; i++) { + write_block(ind, (char *) ind_block); + dind_block[i] = ind = get_free_block(); + memset(ind_block, 0, BLOCK_SIZE); + for (j = 0; j < 512; j++) { + ind_block[j] = zone; + if (!NEXT_BAD) + goto end_bad; + } + } + bb_error_msg_and_die("too many bad blocks"); + end_bad: + if (ind) + write_block(ind, (char *) ind_block); + if (dind) + write_block(dind, (char *) dind_block); +#undef ind_block +#undef dind_block +} + +#if ENABLE_FEATURE_MINIX2 +static void make_bad_inode2(void) +{ + struct minix2_inode *inode = &INODE_BUF2[MINIX_BAD_INO]; + int i, j, zone; + int ind = 0, dind = 0; + /* moved to globals to reduce stack usage + unsigned long ind_block[BLOCK_SIZE >> 2]; + unsigned long dind_block[BLOCK_SIZE >> 2]; + */ +#define ind_block (G.ind_block2) +#define dind_block (G.dind_block2) + + if (!G.badblocks) + return; + mark_inode(MINIX_BAD_INO); + inode->i_nlinks = 1; + inode->i_atime = inode->i_mtime = inode->i_ctime = CUR_TIME; + inode->i_mode = S_IFREG + 0000; + inode->i_size = G.badblocks * BLOCK_SIZE; + zone = next(0); + for (i = 0; i < 7; i++) { + inode->i_zone[i] = zone; + if (!NEXT_BAD) + goto end_bad; + } + inode->i_zone[7] = ind = get_free_block(); + memset(ind_block, 0, BLOCK_SIZE); + for (i = 0; i < 256; i++) { + ind_block[i] = zone; + if (!NEXT_BAD) + goto end_bad; + } + inode->i_zone[8] = dind = get_free_block(); + memset(dind_block, 0, BLOCK_SIZE); + for (i = 0; i < 256; i++) { + write_block(ind, (char *) ind_block); + dind_block[i] = ind = get_free_block(); + memset(ind_block, 0, BLOCK_SIZE); + for (j = 0; j < 256; j++) { + ind_block[j] = zone; + if (!NEXT_BAD) + goto end_bad; + } + } + /* Could make triple indirect block here */ + bb_error_msg_and_die("too many bad blocks"); + end_bad: + if (ind) + write_block(ind, (char *) ind_block); + if (dind) + write_block(dind, (char *) dind_block); +#undef ind_block +#undef dind_block +} +#else +void make_bad_inode2(void); +#endif + +static void make_root_inode(void) +{ + struct minix1_inode *inode = &INODE_BUF1[MINIX_ROOT_INO]; + + mark_inode(MINIX_ROOT_INO); + inode->i_zone[0] = get_free_block(); + inode->i_nlinks = 2; + inode->i_time = CUR_TIME; + if (G.badblocks) + inode->i_size = 3 * G.dirsize; + else { + G.root_block[2 * G.dirsize] = '\0'; + G.root_block[2 * G.dirsize + 1] = '\0'; + inode->i_size = 2 * G.dirsize; + } + inode->i_mode = S_IFDIR + 0755; + inode->i_uid = GETUID; + if (inode->i_uid) + inode->i_gid = GETGID; + write_block(inode->i_zone[0], G.root_block); +} + +#if ENABLE_FEATURE_MINIX2 +static void make_root_inode2(void) +{ + struct minix2_inode *inode = &INODE_BUF2[MINIX_ROOT_INO]; + + mark_inode(MINIX_ROOT_INO); + inode->i_zone[0] = get_free_block(); + inode->i_nlinks = 2; + inode->i_atime = inode->i_mtime = inode->i_ctime = CUR_TIME; + if (G.badblocks) + inode->i_size = 3 * G.dirsize; + else { + G.root_block[2 * G.dirsize] = '\0'; + G.root_block[2 * G.dirsize + 1] = '\0'; + inode->i_size = 2 * G.dirsize; + } + inode->i_mode = S_IFDIR + 0755; + inode->i_uid = GETUID; + if (inode->i_uid) + inode->i_gid = GETGID; + write_block(inode->i_zone[0], G.root_block); +} +#else +void make_root_inode2(void); +#endif + +/* + * Perform a test of a block; return the number of + * blocks readable. + */ +static size_t do_check(char *buffer, size_t try, unsigned current_block) +{ + ssize_t got; + + /* Seek to the correct loc. */ + msg_eol = "seek failed during testing of blocks"; + xlseek(dev_fd, current_block * BLOCK_SIZE, SEEK_SET); + msg_eol = "\n"; + + /* Try the read */ + got = read(dev_fd, buffer, try * BLOCK_SIZE); + if (got < 0) + got = 0; + try = ((size_t)got) / BLOCK_SIZE; + + if (got & (BLOCK_SIZE - 1)) + fprintf(stderr, "Short read at block %u\n", (unsigned)(current_block + try)); + return try; +} + +static void alarm_intr(int alnum UNUSED_PARAM) +{ + if (G.currently_testing >= SB_ZONES) + return; + signal(SIGALRM, alarm_intr); + alarm(5); + if (!G.currently_testing) + return; + printf("%d ...", G.currently_testing); + fflush(stdout); +} + +static void check_blocks(void) +{ + size_t try, got; + + G.currently_testing = 0; + signal(SIGALRM, alarm_intr); + alarm(5); + while (G.currently_testing < SB_ZONES) { + msg_eol = "seek failed in check_blocks"; + xlseek(dev_fd, G.currently_testing * BLOCK_SIZE, SEEK_SET); + msg_eol = "\n"; + try = TEST_BUFFER_BLOCKS; + if (G.currently_testing + try > SB_ZONES) + try = SB_ZONES - G.currently_testing; + got = do_check(G.check_blocks_buffer, try, G.currently_testing); + G.currently_testing += got; + if (got == try) + continue; + if (G.currently_testing < SB_FIRSTZONE) + bb_error_msg_and_die("bad blocks before data-area: cannot make fs"); + mark_zone(G.currently_testing); + G.badblocks++; + G.currently_testing++; + } + alarm(0); + printf("%d bad block(s)\n", G.badblocks); +} + +static void get_list_blocks(char *filename) +{ + FILE *listfile; + unsigned long blockno; + + listfile = xfopen_for_read(filename); + while (!feof(listfile)) { + fscanf(listfile, "%ld\n", &blockno); + mark_zone(blockno); + G.badblocks++; + } + printf("%d bad block(s)\n", G.badblocks); +} + +static void setup_tables(void) +{ + unsigned long inodes; + unsigned norm_firstzone; + unsigned sb_zmaps; + unsigned i; + + /* memset(G.superblock_buffer, 0, BLOCK_SIZE); */ + /* memset(G.boot_block_buffer, 0, 512); */ + SB_MAGIC = G.magic; + SB_ZONE_SIZE = 0; + SB_MAXSIZE = version2 ? 0x7fffffff : (7 + 512 + 512 * 512) * 1024; + if (version2) + SB.s_zones = G.total_blocks; + else + SB.s_nzones = G.total_blocks; + + /* some magic nrs: 1 inode / 3 blocks */ + if (G.req_nr_inodes == 0) + inodes = G.total_blocks / 3; + else + inodes = G.req_nr_inodes; + /* Round up inode count to fill block size */ + if (version2) + inodes = (inodes + MINIX2_INODES_PER_BLOCK - 1) & + ~(MINIX2_INODES_PER_BLOCK - 1); + else + inodes = (inodes + MINIX1_INODES_PER_BLOCK - 1) & + ~(MINIX1_INODES_PER_BLOCK - 1); + if (inodes > 65535) + inodes = 65535; + SB_INODES = inodes; + SB_IMAPS = div_roundup(SB_INODES + 1, BITS_PER_BLOCK); + + /* Real bad hack but overwise mkfs.minix can be thrown + * in infinite loop... + * try: + * dd if=/dev/zero of=test.fs count=10 bs=1024 + * mkfs.minix -i 200 test.fs + */ + /* This code is not insane: NORM_FIRSTZONE is not a constant, + * it is calculated from SB_INODES, SB_IMAPS and SB_ZMAPS */ + i = 999; + SB_ZMAPS = 0; + do { + norm_firstzone = NORM_FIRSTZONE; + sb_zmaps = div_roundup(G.total_blocks - norm_firstzone + 1, BITS_PER_BLOCK); + if (SB_ZMAPS == sb_zmaps) goto got_it; + SB_ZMAPS = sb_zmaps; + /* new SB_ZMAPS, need to recalc NORM_FIRSTZONE */ + } while (--i); + bb_error_msg_and_die("incompatible size/inode count, try different -i N"); + got_it: + + SB_FIRSTZONE = norm_firstzone; + G.inode_map = xmalloc(SB_IMAPS * BLOCK_SIZE); + G.zone_map = xmalloc(SB_ZMAPS * BLOCK_SIZE); + memset(G.inode_map, 0xff, SB_IMAPS * BLOCK_SIZE); + memset(G.zone_map, 0xff, SB_ZMAPS * BLOCK_SIZE); + for (i = SB_FIRSTZONE; i < SB_ZONES; i++) + unmark_zone(i); + for (i = MINIX_ROOT_INO; i <= SB_INODES; i++) + unmark_inode(i); + G.inode_buffer = xzalloc(INODE_BUFFER_SIZE); + printf("%ld inodes\n", (long)SB_INODES); + printf("%ld blocks\n", (long)SB_ZONES); + printf("Firstdatazone=%ld (%ld)\n", (long)SB_FIRSTZONE, (long)norm_firstzone); + printf("Zonesize=%d\n", BLOCK_SIZE << SB_ZONE_SIZE); + printf("Maxsize=%ld\n", (long)SB_MAXSIZE); +} + +int mkfs_minix_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int mkfs_minix_main(int argc UNUSED_PARAM, char **argv) +{ + struct mntent *mp; + unsigned opt; + char *tmp; + struct stat statbuf; + char *str_i; + char *listfile = NULL; + + INIT_G(); +/* default (changed to 30, per Linus's suggestion, Sun Nov 21 08:05:07 1993) */ + G.namelen = 30; + G.dirsize = 32; + G.magic = MINIX1_SUPER_MAGIC2; + + if (INODE_SIZE1 * MINIX1_INODES_PER_BLOCK != BLOCK_SIZE) + bb_error_msg_and_die("bad inode size"); +#if ENABLE_FEATURE_MINIX2 + if (INODE_SIZE2 * MINIX2_INODES_PER_BLOCK != BLOCK_SIZE) + bb_error_msg_and_die("bad inode size"); +#endif + + opt_complementary = "n+"; /* -n N */ + opt = getopt32(argv, "ci:l:n:v", &str_i, &listfile, &G.namelen); + argv += optind; + //if (opt & 1) -c + if (opt & 2) G.req_nr_inodes = xatoul(str_i); // -i + //if (opt & 4) -l + if (opt & 8) { // -n + if (G.namelen == 14) G.magic = MINIX1_SUPER_MAGIC; + else if (G.namelen == 30) G.magic = MINIX1_SUPER_MAGIC2; + else bb_show_usage(); + G.dirsize = G.namelen + 2; + } + if (opt & 0x10) { // -v +#if ENABLE_FEATURE_MINIX2 + version2 = 1; +#else + bb_error_msg_and_die("not compiled with minix v2 support"); +#endif + } + + G.device_name = *argv++; + if (!G.device_name) + bb_show_usage(); + if (*argv) + G.total_blocks = xatou32(*argv); + else + G.total_blocks = get_size(G.device_name) / 1024; + + if (G.total_blocks < 10) + bb_error_msg_and_die("must have at least 10 blocks"); + + if (version2) { + G.magic = MINIX2_SUPER_MAGIC2; + if (G.namelen == 14) + G.magic = MINIX2_SUPER_MAGIC; + } else if (G.total_blocks > 65535) + G.total_blocks = 65535; + + /* Check if it is mounted */ + mp = find_mount_point(G.device_name, NULL); + if (mp && strcmp(G.device_name, mp->mnt_fsname) == 0) + bb_error_msg_and_die("%s is mounted on %s; " + "refusing to make a filesystem", + G.device_name, mp->mnt_dir); + + xmove_fd(xopen(G.device_name, O_RDWR), dev_fd); + if (fstat(dev_fd, &statbuf) < 0) + bb_error_msg_and_die("cannot stat %s", G.device_name); + if (!S_ISBLK(statbuf.st_mode)) + opt &= ~1; // clear -c (check) + +/* I don't know why someone has special code to prevent mkfs.minix + * on IDE devices. Why IDE but not SCSI, etc?... */ +#if 0 + else if (statbuf.st_rdev == 0x0300 || statbuf.st_rdev == 0x0340) + /* what is this? */ + bb_error_msg_and_die("will not try " + "to make filesystem on '%s'", G.device_name); +#endif + + tmp = G.root_block; + *(short *) tmp = 1; + strcpy(tmp + 2, "."); + tmp += G.dirsize; + *(short *) tmp = 1; + strcpy(tmp + 2, ".."); + tmp += G.dirsize; + *(short *) tmp = 2; + strcpy(tmp + 2, ".badblocks"); + + setup_tables(); + + if (opt & 1) // -c ? + check_blocks(); + else if (listfile) + get_list_blocks(listfile); + + if (version2) { + make_root_inode2(); + make_bad_inode2(); + } else { + make_root_inode(); + make_bad_inode(); + } + + mark_good_blocks(); + write_tables(); + return 0; +} |