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Commit | Line | Data |
---|---|---|
3839e657 TT |
1 | /* |
2 | * mke2fs.c - Make a ext2fs filesystem. | |
efc6f628 | 3 | * |
55f4cbd9 TT |
4 | * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
5 | * 2003, 2004, 2005 by Theodore Ts'o. | |
19c78dc0 TT |
6 | * |
7 | * %Begin-Header% | |
8 | * This file may be redistributed under the terms of the GNU Public | |
9 | * License. | |
10 | * %End-Header% | |
3839e657 TT |
11 | */ |
12 | ||
13 | /* Usage: mke2fs [options] device | |
efc6f628 | 14 | * |
3839e657 | 15 | * The device may be a block device or a image of one, but this isn't |
efc6f628 | 16 | * enforced (but it's not much fun on a character device :-). |
3839e657 TT |
17 | */ |
18 | ||
ebabf2ad TT |
19 | #define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX in Solaris */ |
20 | ||
a418d3ad | 21 | #include <stdio.h> |
3839e657 | 22 | #include <string.h> |
d0c53774 | 23 | #include <strings.h> |
3839e657 TT |
24 | #include <fcntl.h> |
25 | #include <ctype.h> | |
3839e657 | 26 | #include <time.h> |
756df353 | 27 | #ifdef __linux__ |
2740156b TT |
28 | #include <sys/utsname.h> |
29 | #endif | |
a418d3ad | 30 | #ifdef HAVE_GETOPT_H |
3839e657 | 31 | #include <getopt.h> |
373b8337 TT |
32 | #else |
33 | extern char *optarg; | |
34 | extern int optind; | |
a418d3ad TT |
35 | #endif |
36 | #ifdef HAVE_UNISTD_H | |
3839e657 | 37 | #include <unistd.h> |
a418d3ad TT |
38 | #endif |
39 | #ifdef HAVE_STDLIB_H | |
3839e657 | 40 | #include <stdlib.h> |
a418d3ad TT |
41 | #endif |
42 | #ifdef HAVE_ERRNO_H | |
43 | #include <errno.h> | |
44 | #endif | |
45 | #ifdef HAVE_MNTENT_H | |
3839e657 | 46 | #include <mntent.h> |
a418d3ad | 47 | #endif |
3839e657 | 48 | #include <sys/ioctl.h> |
f3db3566 | 49 | #include <sys/types.h> |
13b0b123 | 50 | #include <sys/stat.h> |
b626b39a | 51 | #include <libgen.h> |
36585791 | 52 | #include <limits.h> |
9ed8e5fe | 53 | #include <blkid/blkid.h> |
f3db3566 | 54 | |
54c637d4 | 55 | #include "ext2fs/ext2_fs.h" |
3839e657 | 56 | #include "et/com_err.h" |
1e3472c5 | 57 | #include "uuid/uuid.h" |
896938d5 | 58 | #include "e2p/e2p.h" |
3839e657 | 59 | #include "ext2fs/ext2fs.h" |
63985320 | 60 | #include "util.h" |
9dc6ad1e | 61 | #include "profile.h" |
a6d8302b | 62 | #include "prof_err.h" |
3839e657 | 63 | #include "../version.h" |
d9c56d3c | 64 | #include "nls-enable.h" |
3839e657 TT |
65 | |
66 | #define STRIDE_LENGTH 8 | |
67 | ||
6733c2fd | 68 | #ifndef __sparc__ |
1e3472c5 TT |
69 | #define ZAP_BOOTBLOCK |
70 | #endif | |
71 | ||
3839e657 | 72 | extern int isatty(int); |
f3db3566 | 73 | extern FILE *fpopen(const char *cmd, const char *mode); |
3839e657 TT |
74 | |
75 | const char * program_name = "mke2fs"; | |
d48755e9 | 76 | const char * device_name /* = NULL */; |
3839e657 TT |
77 | |
78 | /* Command line options */ | |
16ed5b3a TT |
79 | int cflag; |
80 | int verbose; | |
81 | int quiet; | |
82 | int super_only; | |
7fe5ff3c | 83 | int discard = 1; /* attempt to discard device before fs creation */ |
16ed5b3a TT |
84 | int force; |
85 | int noaction; | |
86 | int journal_size; | |
87 | int journal_flags; | |
7fe5ff3c | 88 | int lazy_itable_init; |
16ed5b3a TT |
89 | char *bad_blocks_filename; |
90 | __u32 fs_stride; | |
3839e657 | 91 | |
9b9a780f | 92 | struct ext2_super_block fs_param; |
b0afdda1 | 93 | char *fs_uuid = NULL; |
16ed5b3a TT |
94 | char *creator_os; |
95 | char *volume_label; | |
96 | char *mount_dir; | |
97 | char *journal_device; | |
98 | int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ | |
b626b39a | 99 | char **fs_types; |
3839e657 | 100 | |
9dc6ad1e TT |
101 | profile_t profile; |
102 | ||
31e29a12 | 103 | int sys_page_size = 4096; |
d99225ec | 104 | int linux_version_code = 0; |
31e29a12 | 105 | |
63985320 | 106 | static void usage(void) |
3839e657 | 107 | { |
bdd80f28 | 108 | fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] " |
067911ae | 109 | "[-f fragment-size]\n\t[-i bytes-per-inode] [-I inode-size] " |
bdd80f28 | 110 | "[-J journal-options]\n" |
9ba40002 TT |
111 | "\t[-G meta group size] [-N number-of-inodes]\n" |
112 | "\t[-m reserved-blocks-percentage] [-o creator-os]\n" | |
113 | "\t[-g blocks-per-group] [-L volume-label] " | |
067911ae | 114 | "[-M last-mounted-directory]\n\t[-O feature[,...]] " |
bdd80f28 | 115 | "[-r fs-revision] [-E extended-option[,...]]\n" |
c7cd908b | 116 | "\t[-T fs-type] [-U UUID] [-jnqvFKSV] device [blocks-count]\n"), |
3839e657 TT |
117 | program_name); |
118 | exit(1); | |
119 | } | |
120 | ||
6733c2fd | 121 | static int int_log2(int arg) |
3839e657 TT |
122 | { |
123 | int l = 0; | |
124 | ||
125 | arg >>= 1; | |
126 | while (arg) { | |
127 | l++; | |
128 | arg >>= 1; | |
129 | } | |
130 | return l; | |
131 | } | |
132 | ||
6733c2fd | 133 | static int int_log10(unsigned int arg) |
1dde43f0 TT |
134 | { |
135 | int l; | |
136 | ||
137 | for (l=0; arg ; l++) | |
138 | arg = arg / 10; | |
139 | return l; | |
140 | } | |
141 | ||
d99225ec TT |
142 | static int parse_version_number(const char *s) |
143 | { | |
144 | int major, minor, rev; | |
145 | char *endptr; | |
146 | const char *cp = s; | |
147 | ||
148 | if (!s) | |
149 | return 0; | |
150 | major = strtol(cp, &endptr, 10); | |
151 | if (cp == endptr || *endptr != '.') | |
152 | return 0; | |
153 | cp = endptr + 1; | |
154 | minor = strtol(cp, &endptr, 10); | |
155 | if (cp == endptr || *endptr != '.') | |
156 | return 0; | |
157 | cp = endptr + 1; | |
158 | rev = strtol(cp, &endptr, 10); | |
159 | if (cp == endptr) | |
160 | return 0; | |
161 | return ((((major * 256) + minor) * 256) + rev); | |
162 | } | |
163 | ||
3839e657 TT |
164 | /* |
165 | * Helper function for read_bb_file and test_disk | |
166 | */ | |
54434927 | 167 | static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) |
3839e657 | 168 | { |
6693837e | 169 | fprintf(stderr, _("Bad block %u out of range; ignored.\n"), blk); |
3839e657 TT |
170 | return; |
171 | } | |
172 | ||
173 | /* | |
174 | * Reads the bad blocks list from a file | |
175 | */ | |
176 | static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, | |
177 | const char *bad_blocks_file) | |
178 | { | |
179 | FILE *f; | |
180 | errcode_t retval; | |
181 | ||
182 | f = fopen(bad_blocks_file, "r"); | |
183 | if (!f) { | |
184 | com_err("read_bad_blocks_file", errno, | |
d9c56d3c | 185 | _("while trying to open %s"), bad_blocks_file); |
3839e657 TT |
186 | exit(1); |
187 | } | |
188 | retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); | |
189 | fclose (f); | |
190 | if (retval) { | |
191 | com_err("ext2fs_read_bb_FILE", retval, | |
d9c56d3c | 192 | _("while reading in list of bad blocks from file")); |
3839e657 TT |
193 | exit(1); |
194 | } | |
195 | } | |
196 | ||
197 | /* | |
198 | * Runs the badblocks program to test the disk | |
199 | */ | |
200 | static void test_disk(ext2_filsys fs, badblocks_list *bb_list) | |
201 | { | |
202 | FILE *f; | |
203 | errcode_t retval; | |
204 | char buf[1024]; | |
205 | ||
d0ff90d5 | 206 | sprintf(buf, "badblocks -b %d -X %s%s%s %u", fs->blocksize, |
3ed57c27 | 207 | quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", |
8ade4792 | 208 | fs->device_name, fs->super->s_blocks_count-1); |
3839e657 | 209 | if (verbose) |
d9c56d3c | 210 | printf(_("Running command: %s\n"), buf); |
3839e657 TT |
211 | f = popen(buf, "r"); |
212 | if (!f) { | |
213 | com_err("popen", errno, | |
f37ab68a | 214 | _("while trying to run '%s'"), buf); |
3839e657 TT |
215 | exit(1); |
216 | } | |
217 | retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); | |
f3db3566 | 218 | pclose(f); |
3839e657 TT |
219 | if (retval) { |
220 | com_err("ext2fs_read_bb_FILE", retval, | |
d9c56d3c | 221 | _("while processing list of bad blocks from program")); |
3839e657 TT |
222 | exit(1); |
223 | } | |
224 | } | |
225 | ||
226 | static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) | |
227 | { | |
54434927 TT |
228 | dgrp_t i; |
229 | blk_t j; | |
230 | unsigned must_be_good; | |
3839e657 TT |
231 | blk_t blk; |
232 | badblocks_iterate bb_iter; | |
233 | errcode_t retval; | |
f3db3566 TT |
234 | blk_t group_block; |
235 | int group; | |
236 | int group_bad; | |
3839e657 TT |
237 | |
238 | if (!bb_list) | |
239 | return; | |
efc6f628 | 240 | |
3839e657 TT |
241 | /* |
242 | * The primary superblock and group descriptors *must* be | |
243 | * good; if not, abort. | |
244 | */ | |
245 | must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; | |
246 | for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { | |
cbbf031b | 247 | if (ext2fs_badblocks_list_test(bb_list, i)) { |
d9c56d3c TT |
248 | fprintf(stderr, _("Block %d in primary " |
249 | "superblock/group descriptor area bad.\n"), i); | |
d0ff90d5 | 250 | fprintf(stderr, _("Blocks %u through %u must be good " |
d9c56d3c | 251 | "in order to build a filesystem.\n"), |
3839e657 | 252 | fs->super->s_first_data_block, must_be_good); |
54434927 | 253 | fputs(_("Aborting....\n"), stderr); |
3839e657 TT |
254 | exit(1); |
255 | } | |
256 | } | |
f3db3566 TT |
257 | |
258 | /* | |
259 | * See if any of the bad blocks are showing up in the backup | |
260 | * superblocks and/or group descriptors. If so, issue a | |
261 | * warning and adjust the block counts appropriately. | |
262 | */ | |
263 | group_block = fs->super->s_first_data_block + | |
264 | fs->super->s_blocks_per_group; | |
efc6f628 | 265 | |
f3db3566 | 266 | for (i = 1; i < fs->group_desc_count; i++) { |
92bcc595 | 267 | group_bad = 0; |
f3db3566 | 268 | for (j=0; j < fs->desc_blocks+1; j++) { |
cbbf031b TT |
269 | if (ext2fs_badblocks_list_test(bb_list, |
270 | group_block + j)) { | |
efc6f628 | 271 | if (!group_bad) |
f3db3566 | 272 | fprintf(stderr, |
8deb80a5 | 273 | _("Warning: the backup superblock/group descriptors at block %u contain\n" |
d9c56d3c | 274 | " bad blocks.\n\n"), |
f3db3566 TT |
275 | group_block); |
276 | group_bad++; | |
277 | group = ext2fs_group_of_blk(fs, group_block+j); | |
278 | fs->group_desc[group].bg_free_blocks_count++; | |
5711ed29 | 279 | ext2fs_group_desc_csum_set(fs, group); |
f3db3566 TT |
280 | fs->super->s_free_blocks_count++; |
281 | } | |
282 | } | |
283 | group_block += fs->super->s_blocks_per_group; | |
284 | } | |
efc6f628 | 285 | |
3839e657 TT |
286 | /* |
287 | * Mark all the bad blocks as used... | |
288 | */ | |
cbbf031b | 289 | retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); |
3839e657 | 290 | if (retval) { |
cbbf031b | 291 | com_err("ext2fs_badblocks_list_iterate_begin", retval, |
d9c56d3c | 292 | _("while marking bad blocks as used")); |
3839e657 TT |
293 | exit(1); |
294 | } | |
efc6f628 | 295 | while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) |
f3db3566 | 296 | ext2fs_mark_block_bitmap(fs->block_map, blk); |
cbbf031b | 297 | ext2fs_badblocks_list_iterate_end(bb_iter); |
3839e657 TT |
298 | } |
299 | ||
16ed5b3a TT |
300 | /* |
301 | * These functions implement a generalized progress meter. | |
302 | */ | |
303 | struct progress_struct { | |
304 | char format[20]; | |
305 | char backup[80]; | |
306 | __u32 max; | |
1cca86f5 | 307 | int skip_progress; |
16ed5b3a | 308 | }; |
7d5633cf | 309 | |
16ed5b3a | 310 | static void progress_init(struct progress_struct *progress, |
4ea7bd04 | 311 | const char *label,__u32 max) |
16ed5b3a TT |
312 | { |
313 | int i; | |
3839e657 | 314 | |
16ed5b3a TT |
315 | memset(progress, 0, sizeof(struct progress_struct)); |
316 | if (quiet) | |
317 | return; | |
1dde43f0 TT |
318 | |
319 | /* | |
320 | * Figure out how many digits we need | |
321 | */ | |
16ed5b3a TT |
322 | i = int_log10(max); |
323 | sprintf(progress->format, "%%%dd/%%%dld", i, i); | |
324 | memset(progress->backup, '\b', sizeof(progress->backup)-1); | |
325 | progress->backup[sizeof(progress->backup)-1] = 0; | |
54434927 | 326 | if ((2*i)+1 < (int) sizeof(progress->backup)) |
16ed5b3a TT |
327 | progress->backup[(2*i)+1] = 0; |
328 | progress->max = max; | |
329 | ||
1cca86f5 TT |
330 | progress->skip_progress = 0; |
331 | if (getenv("MKE2FS_SKIP_PROGRESS")) | |
332 | progress->skip_progress++; | |
333 | ||
16ed5b3a TT |
334 | fputs(label, stdout); |
335 | fflush(stdout); | |
336 | } | |
337 | ||
338 | static void progress_update(struct progress_struct *progress, __u32 val) | |
339 | { | |
1cca86f5 | 340 | if ((progress->format[0] == 0) || progress->skip_progress) |
16ed5b3a TT |
341 | return; |
342 | printf(progress->format, val, progress->max); | |
343 | fputs(progress->backup, stdout); | |
344 | } | |
345 | ||
346 | static void progress_close(struct progress_struct *progress) | |
347 | { | |
348 | if (progress->format[0] == 0) | |
349 | return; | |
350 | fputs(_("done \n"), stdout); | |
351 | } | |
352 | ||
6fcd6f84 | 353 | static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed) |
16ed5b3a TT |
354 | { |
355 | errcode_t retval; | |
356 | blk_t blk; | |
54434927 | 357 | dgrp_t i; |
0f2794c0 | 358 | int num, ipb; |
16ed5b3a TT |
359 | struct progress_struct progress; |
360 | ||
361 | if (quiet) | |
362 | memset(&progress, 0, sizeof(progress)); | |
363 | else | |
364 | progress_init(&progress, _("Writing inode tables: "), | |
365 | fs->group_desc_count); | |
1dde43f0 | 366 | |
3839e657 | 367 | for (i = 0; i < fs->group_desc_count; i++) { |
16ed5b3a | 368 | progress_update(&progress, i); |
efc6f628 | 369 | |
19c78dc0 TT |
370 | blk = fs->group_desc[i].bg_inode_table; |
371 | num = fs->inode_blocks_per_group; | |
16ed5b3a | 372 | |
0f2794c0 TT |
373 | if (lazy_flag) { |
374 | ipb = fs->blocksize / EXT2_INODE_SIZE(fs->super); | |
0f2794c0 TT |
375 | num = ((((fs->super->s_inodes_per_group - |
376 | fs->group_desc[i].bg_itable_unused) * | |
377 | EXT2_INODE_SIZE(fs->super)) + | |
378 | EXT2_BLOCK_SIZE(fs->super) - 1) / | |
379 | EXT2_BLOCK_SIZE(fs->super)); | |
6fcd6f84 ES |
380 | } |
381 | if (!lazy_flag || itable_zeroed) { | |
d2d22a29 JS |
382 | /* The kernel doesn't need to zero the itable blocks */ |
383 | fs->group_desc[i].bg_flags |= EXT2_BG_INODE_ZEROED; | |
5711ed29 | 384 | ext2fs_group_desc_csum_set(fs, i); |
19c78dc0 | 385 | } |
b626b39a | 386 | retval = ext2fs_zero_blocks(fs, blk, num, &blk, &num); |
0f2794c0 TT |
387 | if (retval) { |
388 | fprintf(stderr, _("\nCould not write %d " | |
389 | "blocks in inode table starting at %u: %s\n"), | |
390 | num, blk, error_message(retval)); | |
391 | exit(1); | |
392 | } | |
7d5633cf TT |
393 | if (sync_kludge) { |
394 | if (sync_kludge == 1) | |
395 | sync(); | |
396 | else if ((i % sync_kludge) == 0) | |
397 | sync(); | |
398 | } | |
3839e657 | 399 | } |
b626b39a | 400 | ext2fs_zero_blocks(0, 0, 0, 0, 0); |
16ed5b3a | 401 | progress_close(&progress); |
3839e657 TT |
402 | } |
403 | ||
404 | static void create_root_dir(ext2_filsys fs) | |
405 | { | |
5113a6e3 | 406 | errcode_t retval; |
f3db3566 | 407 | struct ext2_inode inode; |
5113a6e3 | 408 | __u32 uid, gid; |
3839e657 TT |
409 | |
410 | retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); | |
411 | if (retval) { | |
d9c56d3c | 412 | com_err("ext2fs_mkdir", retval, _("while creating root dir")); |
3839e657 TT |
413 | exit(1); |
414 | } | |
f3db3566 TT |
415 | if (geteuid()) { |
416 | retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); | |
417 | if (retval) { | |
418 | com_err("ext2fs_read_inode", retval, | |
d9c56d3c | 419 | _("while reading root inode")); |
f3db3566 TT |
420 | exit(1); |
421 | } | |
5113a6e3 ES |
422 | uid = getuid(); |
423 | inode.i_uid = uid; | |
15343922 | 424 | ext2fs_set_i_uid_high(inode, uid >> 16); |
5113a6e3 ES |
425 | if (uid) { |
426 | gid = getgid(); | |
427 | inode.i_gid = gid; | |
15343922 | 428 | ext2fs_set_i_gid_high(inode, gid >> 16); |
5113a6e3 | 429 | } |
e27b4563 | 430 | retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); |
f3db3566 TT |
431 | if (retval) { |
432 | com_err("ext2fs_write_inode", retval, | |
d9c56d3c | 433 | _("while setting root inode ownership")); |
f3db3566 TT |
434 | exit(1); |
435 | } | |
436 | } | |
3839e657 TT |
437 | } |
438 | ||
439 | static void create_lost_and_found(ext2_filsys fs) | |
440 | { | |
2d328bb7 | 441 | unsigned int lpf_size = 0; |
3839e657 | 442 | errcode_t retval; |
dfcdc32f | 443 | ext2_ino_t ino; |
3839e657 TT |
444 | const char *name = "lost+found"; |
445 | int i; | |
446 | ||
6a525069 | 447 | fs->umask = 077; |
3839e657 TT |
448 | retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); |
449 | if (retval) { | |
d9c56d3c TT |
450 | com_err("ext2fs_mkdir", retval, |
451 | _("while creating /lost+found")); | |
3839e657 TT |
452 | exit(1); |
453 | } | |
454 | ||
455 | retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); | |
456 | if (retval) { | |
d9c56d3c TT |
457 | com_err("ext2_lookup", retval, |
458 | _("while looking up /lost+found")); | |
3839e657 TT |
459 | exit(1); |
460 | } | |
efc6f628 | 461 | |
3839e657 | 462 | for (i=1; i < EXT2_NDIR_BLOCKS; i++) { |
8c7c6eb1 AD |
463 | /* Ensure that lost+found is at least 2 blocks, so we always |
464 | * test large empty blocks for big-block filesystems. */ | |
465 | if ((lpf_size += fs->blocksize) >= 16*1024 && | |
466 | lpf_size >= 2 * fs->blocksize) | |
50787ea2 | 467 | break; |
3839e657 TT |
468 | retval = ext2fs_expand_dir(fs, ino); |
469 | if (retval) { | |
470 | com_err("ext2fs_expand_dir", retval, | |
d9c56d3c | 471 | _("while expanding /lost+found")); |
3839e657 TT |
472 | exit(1); |
473 | } | |
6a525069 | 474 | } |
3839e657 TT |
475 | } |
476 | ||
477 | static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) | |
478 | { | |
479 | errcode_t retval; | |
efc6f628 | 480 | |
f3db3566 | 481 | ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO); |
5711ed29 | 482 | ext2fs_inode_alloc_stats2(fs, EXT2_BAD_INO, +1, 0); |
3839e657 TT |
483 | retval = ext2fs_update_bb_inode(fs, bb_list); |
484 | if (retval) { | |
485 | com_err("ext2fs_update_bb_inode", retval, | |
d9c56d3c | 486 | _("while setting bad block inode")); |
3839e657 TT |
487 | exit(1); |
488 | } | |
489 | ||
490 | } | |
491 | ||
492 | static void reserve_inodes(ext2_filsys fs) | |
493 | { | |
dfcdc32f | 494 | ext2_ino_t i; |
3839e657 | 495 | |
5711ed29 TT |
496 | for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) |
497 | ext2fs_inode_alloc_stats2(fs, i, +1, 0); | |
3839e657 TT |
498 | ext2fs_mark_ib_dirty(fs); |
499 | } | |
500 | ||
756df353 | 501 | #define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ |
7ef3bb83 | 502 | #define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ |
756df353 | 503 | #define BSD_LABEL_OFFSET 64 |
756df353 | 504 | |
04a96857 | 505 | static void zap_sector(ext2_filsys fs, int sect, int nsect) |
f3db3566 | 506 | { |
3f85f65c | 507 | char *buf; |
f3db3566 | 508 | int retval; |
756df353 | 509 | unsigned int *magic; |
f3db3566 | 510 | |
3f85f65c | 511 | buf = malloc(512*nsect); |
568101f7 | 512 | if (!buf) { |
4ea7bd04 TT |
513 | printf(_("Out of memory erasing sectors %d-%d\n"), |
514 | sect, sect + nsect - 1); | |
568101f7 AD |
515 | exit(1); |
516 | } | |
756df353 | 517 | |
7ef3bb83 TT |
518 | if (sect == 0) { |
519 | /* Check for a BSD disklabel, and don't erase it if so */ | |
520 | retval = io_channel_read_blk(fs->io, 0, -512, buf); | |
521 | if (retval) | |
522 | fprintf(stderr, | |
523 | _("Warning: could not read block 0: %s\n"), | |
524 | error_message(retval)); | |
525 | else { | |
526 | magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); | |
527 | if ((*magic == BSD_DISKMAGIC) || | |
528 | (*magic == BSD_MAGICDISK)) | |
529 | return; | |
530 | } | |
756df353 | 531 | } |
756df353 | 532 | |
7098810d | 533 | memset(buf, 0, 512*nsect); |
e41784eb | 534 | io_channel_set_blksize(fs->io, 512); |
04a96857 | 535 | retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf); |
e41784eb | 536 | io_channel_set_blksize(fs->io, fs->blocksize); |
3f85f65c | 537 | free(buf); |
f3db3566 | 538 | if (retval) |
6693837e TT |
539 | fprintf(stderr, _("Warning: could not erase sector %d: %s\n"), |
540 | sect, error_message(retval)); | |
f3db3566 | 541 | } |
16ed5b3a TT |
542 | |
543 | static void create_journal_dev(ext2_filsys fs) | |
544 | { | |
545 | struct progress_struct progress; | |
546 | errcode_t retval; | |
547 | char *buf; | |
b626b39a AK |
548 | blk_t blk, err_blk; |
549 | int c, count, err_count; | |
16ed5b3a | 550 | |
d6a27e00 TT |
551 | retval = ext2fs_create_journal_superblock(fs, |
552 | fs->super->s_blocks_count, 0, &buf); | |
553 | if (retval) { | |
554 | com_err("create_journal_dev", retval, | |
555 | _("while initializing journal superblock")); | |
556 | exit(1); | |
557 | } | |
16ed5b3a TT |
558 | if (quiet) |
559 | memset(&progress, 0, sizeof(progress)); | |
560 | else | |
561 | progress_init(&progress, _("Zeroing journal device: "), | |
562 | fs->super->s_blocks_count); | |
563 | ||
b626b39a AK |
564 | blk = 0; |
565 | count = fs->super->s_blocks_count; | |
566 | while (count > 0) { | |
567 | if (count > 1024) | |
568 | c = 1024; | |
569 | else | |
570 | c = count; | |
571 | retval = ext2fs_zero_blocks(fs, blk, c, &err_blk, &err_count); | |
572 | if (retval) { | |
573 | com_err("create_journal_dev", retval, | |
574 | _("while zeroing journal device " | |
575 | "(block %u, count %d)"), | |
576 | err_blk, err_count); | |
577 | exit(1); | |
578 | } | |
579 | blk += c; | |
580 | count -= c; | |
581 | progress_update(&progress, blk); | |
16ed5b3a | 582 | } |
b626b39a | 583 | ext2fs_zero_blocks(0, 0, 0, 0, 0); |
dc2ec525 | 584 | |
dc2ec525 TT |
585 | retval = io_channel_write_blk(fs->io, |
586 | fs->super->s_first_data_block+1, | |
587 | 1, buf); | |
16ed5b3a TT |
588 | if (retval) { |
589 | com_err("create_journal_dev", retval, | |
590 | _("while writing journal superblock")); | |
591 | exit(1); | |
592 | } | |
593 | progress_close(&progress); | |
594 | } | |
f3db3566 | 595 | |
3839e657 TT |
596 | static void show_stats(ext2_filsys fs) |
597 | { | |
ef9abe5f | 598 | struct ext2_super_block *s = fs->super; |
1e3472c5 | 599 | char buf[80]; |
63253946 | 600 | char *os; |
3839e657 | 601 | blk_t group_block; |
54434927 TT |
602 | dgrp_t i; |
603 | int need, col_left; | |
efc6f628 | 604 | |
9b9a780f | 605 | if (fs_param.s_blocks_count != s->s_blocks_count) |
8deb80a5 | 606 | fprintf(stderr, _("warning: %u blocks unused.\n\n"), |
9b9a780f | 607 | fs_param.s_blocks_count - s->s_blocks_count); |
50787ea2 TT |
608 | |
609 | memset(buf, 0, sizeof(buf)); | |
610 | strncpy(buf, s->s_volume_name, sizeof(s->s_volume_name)); | |
d9c56d3c | 611 | printf(_("Filesystem label=%s\n"), buf); |
54434927 | 612 | fputs(_("OS type: "), stdout); |
63253946 TT |
613 | os = e2p_os2string(fs->super->s_creator_os); |
614 | fputs(os, stdout); | |
615 | free(os); | |
50787ea2 | 616 | printf("\n"); |
d9c56d3c | 617 | printf(_("Block size=%u (log=%u)\n"), fs->blocksize, |
50787ea2 | 618 | s->s_log_block_size); |
d9c56d3c | 619 | printf(_("Fragment size=%u (log=%u)\n"), fs->fragsize, |
50787ea2 | 620 | s->s_log_frag_size); |
9ed8e5fe ES |
621 | printf(_("Stride=%u blocks, Stripe width=%u blocks\n"), |
622 | s->s_raid_stride, s->s_raid_stripe_width); | |
d9c56d3c | 623 | printf(_("%u inodes, %u blocks\n"), s->s_inodes_count, |
3839e657 | 624 | s->s_blocks_count); |
d9c56d3c | 625 | printf(_("%u blocks (%2.2f%%) reserved for the super user\n"), |
3839e657 TT |
626 | s->s_r_blocks_count, |
627 | 100.0 * s->s_r_blocks_count / s->s_blocks_count); | |
d9c56d3c | 628 | printf(_("First data block=%u\n"), s->s_first_data_block); |
d323f8fb TT |
629 | if (s->s_reserved_gdt_blocks) |
630 | printf(_("Maximum filesystem blocks=%lu\n"), | |
631 | (s->s_reserved_gdt_blocks + fs->desc_blocks) * | |
f2de1d38 | 632 | EXT2_DESC_PER_BLOCK(s) * s->s_blocks_per_group); |
d9c56d3c | 633 | if (fs->group_desc_count > 1) |
c8c071a0 | 634 | printf(_("%u block groups\n"), fs->group_desc_count); |
d9c56d3c | 635 | else |
c8c071a0 | 636 | printf(_("%u block group\n"), fs->group_desc_count); |
d9c56d3c | 637 | printf(_("%u blocks per group, %u fragments per group\n"), |
3839e657 | 638 | s->s_blocks_per_group, s->s_frags_per_group); |
d9c56d3c | 639 | printf(_("%u inodes per group\n"), s->s_inodes_per_group); |
3839e657 TT |
640 | |
641 | if (fs->group_desc_count == 1) { | |
642 | printf("\n"); | |
643 | return; | |
644 | } | |
d323f8fb | 645 | |
d9c56d3c | 646 | printf(_("Superblock backups stored on blocks: ")); |
3839e657 TT |
647 | group_block = s->s_first_data_block; |
648 | col_left = 0; | |
649 | for (i = 1; i < fs->group_desc_count; i++) { | |
650 | group_block += s->s_blocks_per_group; | |
521e3685 TT |
651 | if (!ext2fs_bg_has_super(fs, i)) |
652 | continue; | |
7671433a TT |
653 | if (i != 1) |
654 | printf(", "); | |
6733c2fd | 655 | need = int_log10(group_block) + 2; |
1dde43f0 | 656 | if (need > col_left) { |
3839e657 | 657 | printf("\n\t"); |
1dde43f0 | 658 | col_left = 72; |
3839e657 | 659 | } |
1dde43f0 | 660 | col_left -= need; |
a418d3ad | 661 | printf("%u", group_block); |
3839e657 TT |
662 | } |
663 | printf("\n\n"); | |
664 | } | |
665 | ||
1e3472c5 TT |
666 | /* |
667 | * Set the S_CREATOR_OS field. Return true if OS is known, | |
668 | * otherwise, 0. | |
669 | */ | |
670 | static int set_os(struct ext2_super_block *sb, char *os) | |
671 | { | |
672 | if (isdigit (*os)) | |
673 | sb->s_creator_os = atoi (os); | |
674 | else if (strcasecmp(os, "linux") == 0) | |
675 | sb->s_creator_os = EXT2_OS_LINUX; | |
676 | else if (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0) | |
677 | sb->s_creator_os = EXT2_OS_HURD; | |
ea1e8f47 TT |
678 | else if (strcasecmp(os, "freebsd") == 0) |
679 | sb->s_creator_os = EXT2_OS_FREEBSD; | |
680 | else if (strcasecmp(os, "lites") == 0) | |
681 | sb->s_creator_os = EXT2_OS_LITES; | |
1e3472c5 TT |
682 | else |
683 | return 0; | |
684 | return 1; | |
685 | } | |
686 | ||
a418d3ad TT |
687 | #define PATH_SET "PATH=/sbin" |
688 | ||
efc6f628 | 689 | static void parse_extended_opts(struct ext2_super_block *param, |
c6a44136 | 690 | const char *opts) |
a29f4d30 | 691 | { |
2d328bb7 | 692 | char *buf, *token, *next, *p, *arg, *badopt = 0; |
a29f4d30 | 693 | int len; |
d323f8fb | 694 | int r_usage = 0; |
a29f4d30 TT |
695 | |
696 | len = strlen(opts); | |
697 | buf = malloc(len+1); | |
698 | if (!buf) { | |
d323f8fb TT |
699 | fprintf(stderr, |
700 | _("Couldn't allocate memory to parse options!\n")); | |
a29f4d30 TT |
701 | exit(1); |
702 | } | |
703 | strcpy(buf, opts); | |
704 | for (token = buf; token && *token; token = next) { | |
705 | p = strchr(token, ','); | |
706 | next = 0; | |
707 | if (p) { | |
708 | *p = 0; | |
709 | next = p+1; | |
d323f8fb | 710 | } |
a29f4d30 TT |
711 | arg = strchr(token, '='); |
712 | if (arg) { | |
713 | *arg = 0; | |
714 | arg++; | |
715 | } | |
716 | if (strcmp(token, "stride") == 0) { | |
717 | if (!arg) { | |
d323f8fb | 718 | r_usage++; |
0c17cb25 | 719 | badopt = token; |
a29f4d30 TT |
720 | continue; |
721 | } | |
0c17cb25 TT |
722 | param->s_raid_stride = strtoul(arg, &p, 0); |
723 | if (*p || (param->s_raid_stride == 0)) { | |
d9c56d3c | 724 | fprintf(stderr, |
f37ab68a TT |
725 | _("Invalid stride parameter: %s\n"), |
726 | arg); | |
d323f8fb TT |
727 | r_usage++; |
728 | continue; | |
729 | } | |
0c17cb25 TT |
730 | } else if (strcmp(token, "stripe-width") == 0 || |
731 | strcmp(token, "stripe_width") == 0) { | |
732 | if (!arg) { | |
733 | r_usage++; | |
734 | badopt = token; | |
735 | continue; | |
736 | } | |
737 | param->s_raid_stripe_width = strtoul(arg, &p, 0); | |
738 | if (*p || (param->s_raid_stripe_width == 0)) { | |
739 | fprintf(stderr, | |
740 | _("Invalid stripe-width parameter: %s\n"), | |
741 | arg); | |
742 | r_usage++; | |
743 | continue; | |
744 | } | |
d323f8fb | 745 | } else if (!strcmp(token, "resize")) { |
c6a44136 TT |
746 | unsigned long resize, bpg, rsv_groups; |
747 | unsigned long group_desc_count, desc_blocks; | |
748 | unsigned int gdpb, blocksize; | |
749 | int rsv_gdb; | |
d323f8fb TT |
750 | |
751 | if (!arg) { | |
752 | r_usage++; | |
0c17cb25 | 753 | badopt = token; |
a29f4d30 TT |
754 | continue; |
755 | } | |
d323f8fb | 756 | |
efc6f628 | 757 | resize = parse_num_blocks(arg, |
55f4cbd9 | 758 | param->s_log_block_size); |
d323f8fb TT |
759 | |
760 | if (resize == 0) { | |
efc6f628 | 761 | fprintf(stderr, |
55f4cbd9 TT |
762 | _("Invalid resize parameter: %s\n"), |
763 | arg); | |
d323f8fb TT |
764 | r_usage++; |
765 | continue; | |
766 | } | |
c6a44136 | 767 | if (resize <= param->s_blocks_count) { |
efc6f628 | 768 | fprintf(stderr, |
f37ab68a TT |
769 | _("The resize maximum must be greater " |
770 | "than the filesystem size.\n")); | |
c6a44136 TT |
771 | r_usage++; |
772 | continue; | |
773 | } | |
d323f8fb | 774 | |
c6a44136 TT |
775 | blocksize = EXT2_BLOCK_SIZE(param); |
776 | bpg = param->s_blocks_per_group; | |
777 | if (!bpg) | |
778 | bpg = blocksize * 8; | |
f2de1d38 | 779 | gdpb = EXT2_DESC_PER_BLOCK(param); |
efc6f628 | 780 | group_desc_count = |
69022e02 | 781 | ext2fs_div_ceil(param->s_blocks_count, bpg); |
c6a44136 TT |
782 | desc_blocks = (group_desc_count + |
783 | gdpb - 1) / gdpb; | |
69022e02 | 784 | rsv_groups = ext2fs_div_ceil(resize, bpg); |
efc6f628 | 785 | rsv_gdb = ext2fs_div_ceil(rsv_groups, gdpb) - |
c6a44136 | 786 | desc_blocks; |
9b9a780f | 787 | if (rsv_gdb > (int) EXT2_ADDR_PER_BLOCK(param)) |
c6a44136 TT |
788 | rsv_gdb = EXT2_ADDR_PER_BLOCK(param); |
789 | ||
790 | if (rsv_gdb > 0) { | |
b290d2dc | 791 | if (param->s_rev_level == EXT2_GOOD_OLD_REV) { |
efc6f628 | 792 | fprintf(stderr, |
b290d2dc | 793 | _("On-line resizing not supported with revision 0 filesystems\n")); |
21400381 | 794 | free(buf); |
b290d2dc TT |
795 | exit(1); |
796 | } | |
c6a44136 TT |
797 | param->s_feature_compat |= |
798 | EXT2_FEATURE_COMPAT_RESIZE_INODE; | |
799 | ||
800 | param->s_reserved_gdt_blocks = rsv_gdb; | |
801 | } | |
6cb27404 TT |
802 | } else if (!strcmp(token, "test_fs")) { |
803 | param->s_flags |= EXT2_FLAGS_TEST_FILESYS; | |
a4396e9d | 804 | } else if (!strcmp(token, "lazy_itable_init")) { |
43781b94 TT |
805 | if (arg) |
806 | lazy_itable_init = strtoul(arg, &p, 0); | |
807 | else | |
808 | lazy_itable_init = 1; | |
0bc85dfb LC |
809 | } else if (!strcmp(token, "discard")) { |
810 | discard = 1; | |
811 | } else if (!strcmp(token, "nodiscard")) { | |
812 | discard = 0; | |
0c17cb25 | 813 | } else { |
d323f8fb | 814 | r_usage++; |
0c17cb25 TT |
815 | badopt = token; |
816 | } | |
a29f4d30 | 817 | } |
d323f8fb | 818 | if (r_usage) { |
0c17cb25 | 819 | fprintf(stderr, _("\nBad option(s) specified: %s\n\n" |
bb145b01 | 820 | "Extended options are separated by commas, " |
a29f4d30 TT |
821 | "and may take an argument which\n" |
822 | "\tis set off by an equals ('=') sign.\n\n" | |
bb145b01 | 823 | "Valid extended options are:\n" |
0c17cb25 TT |
824 | "\tstride=<RAID per-disk data chunk in blocks>\n" |
825 | "\tstripe-width=<RAID stride * data disks in blocks>\n" | |
a4396e9d TT |
826 | "\tresize=<resize maximum size in blocks>\n" |
827 | "\tlazy_itable_init=<0 to disable, 1 to enable>\n" | |
0bc85dfb LC |
828 | "\ttest_fs\n" |
829 | "\tdiscard\n" | |
830 | "\tnodiscard\n\n"), | |
2d328bb7 | 831 | badopt ? badopt : ""); |
21400381 | 832 | free(buf); |
a29f4d30 TT |
833 | exit(1); |
834 | } | |
0c17cb25 TT |
835 | if (param->s_raid_stride && |
836 | (param->s_raid_stripe_width % param->s_raid_stride) != 0) | |
837 | fprintf(stderr, _("\nWarning: RAID stripe-width %u not an even " | |
838 | "multiple of stride %u.\n\n"), | |
839 | param->s_raid_stripe_width, param->s_raid_stride); | |
840 | ||
21400381 | 841 | free(buf); |
efc6f628 | 842 | } |
a29f4d30 | 843 | |
896938d5 | 844 | static __u32 ok_features[3] = { |
558df544 | 845 | /* Compat */ |
843049c4 | 846 | EXT3_FEATURE_COMPAT_HAS_JOURNAL | |
d323f8fb | 847 | EXT2_FEATURE_COMPAT_RESIZE_INODE | |
f5fa2007 | 848 | EXT2_FEATURE_COMPAT_DIR_INDEX | |
558df544 TT |
849 | EXT2_FEATURE_COMPAT_EXT_ATTR, |
850 | /* Incompat */ | |
851 | EXT2_FEATURE_INCOMPAT_FILETYPE| | |
bf6b848e | 852 | EXT3_FEATURE_INCOMPAT_EXTENTS| |
c046ac7f | 853 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| |
c2d4300b JS |
854 | EXT2_FEATURE_INCOMPAT_META_BG| |
855 | EXT4_FEATURE_INCOMPAT_FLEX_BG, | |
558df544 TT |
856 | /* R/O compat */ |
857 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE| | |
2be8fe43 TT |
858 | EXT4_FEATURE_RO_COMPAT_HUGE_FILE| |
859 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK| | |
860 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE| | |
d2d22a29 JS |
861 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| |
862 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM | |
896938d5 | 863 | }; |
a29f4d30 TT |
864 | |
865 | ||
9dc6ad1e TT |
866 | static void syntax_err_report(const char *filename, long err, int line_num) |
867 | { | |
efc6f628 | 868 | fprintf(stderr, |
9dc6ad1e TT |
869 | _("Syntax error in mke2fs config file (%s, line #%d)\n\t%s\n"), |
870 | filename, line_num, error_message(err)); | |
871 | exit(1); | |
872 | } | |
873 | ||
abcfdfda | 874 | static const char *config_fn[] = { ROOT_SYSCONFDIR "/mke2fs.conf", 0 }; |
9dc6ad1e | 875 | |
efc6f628 | 876 | static void edit_feature(const char *str, __u32 *compat_array) |
9dc6ad1e TT |
877 | { |
878 | if (!str) | |
879 | return; | |
880 | ||
881 | if (e2p_edit_feature(str, compat_array, ok_features)) { | |
efc6f628 | 882 | fprintf(stderr, _("Invalid filesystem option set: %s\n"), |
9dc6ad1e TT |
883 | str); |
884 | exit(1); | |
885 | } | |
886 | } | |
887 | ||
3d43836f TT |
888 | struct str_list { |
889 | char **list; | |
890 | int num; | |
891 | int max; | |
892 | }; | |
893 | ||
894 | static errcode_t init_list(struct str_list *sl) | |
895 | { | |
896 | sl->num = 0; | |
897 | sl->max = 0; | |
898 | sl->list = malloc((sl->max+1) * sizeof(char *)); | |
899 | if (!sl->list) | |
900 | return ENOMEM; | |
901 | sl->list[0] = 0; | |
902 | return 0; | |
903 | } | |
904 | ||
905 | static errcode_t push_string(struct str_list *sl, const char *str) | |
906 | { | |
907 | char **new_list; | |
908 | ||
909 | if (sl->num >= sl->max) { | |
910 | sl->max += 2; | |
911 | new_list = realloc(sl->list, (sl->max+1) * sizeof(char *)); | |
912 | if (!new_list) | |
913 | return ENOMEM; | |
914 | sl->list = new_list; | |
915 | } | |
916 | sl->list[sl->num] = malloc(strlen(str)+1); | |
917 | if (sl->list[sl->num] == 0) | |
918 | return ENOMEM; | |
919 | strcpy(sl->list[sl->num], str); | |
920 | sl->num++; | |
921 | sl->list[sl->num] = 0; | |
922 | return 0; | |
923 | } | |
924 | ||
925 | static void print_str_list(char **list) | |
926 | { | |
927 | char **cpp; | |
928 | ||
929 | for (cpp = list; *cpp; cpp++) { | |
930 | printf("'%s'", *cpp); | |
931 | if (cpp[1]) | |
932 | fputs(", ", stdout); | |
933 | } | |
934 | fputc('\n', stdout); | |
935 | } | |
936 | ||
2ee4544d TT |
937 | /* |
938 | * Return TRUE if the profile has the given subsection | |
939 | */ | |
940 | static int profile_has_subsection(profile_t profile, const char *section, | |
941 | const char *subsection) | |
942 | { | |
943 | void *state; | |
944 | const char *names[4]; | |
945 | char *name; | |
946 | int ret = 0; | |
947 | ||
948 | names[0] = section; | |
949 | names[1] = subsection; | |
950 | names[2] = 0; | |
951 | ||
952 | if (profile_iterator_create(profile, names, | |
953 | PROFILE_ITER_LIST_SECTION | | |
954 | PROFILE_ITER_RELATIONS_ONLY, &state)) | |
955 | return 0; | |
956 | ||
957 | if ((profile_iterator(&state, &name, 0) == 0) && name) { | |
958 | free(name); | |
959 | ret = 1; | |
960 | } | |
961 | ||
962 | profile_iterator_free(&state); | |
963 | return ret; | |
964 | } | |
965 | ||
3d43836f TT |
966 | static char **parse_fs_type(const char *fs_type, |
967 | const char *usage_types, | |
968 | struct ext2_super_block *fs_param, | |
969 | char *progname) | |
970 | { | |
971 | const char *ext_type = 0; | |
972 | char *parse_str; | |
973 | char *profile_type = 0; | |
974 | char *cp, *t; | |
975 | const char *size_type; | |
976 | struct str_list list; | |
3d43836f | 977 | unsigned long meg; |
7f5601e5 | 978 | int is_hurd = 0; |
3d43836f TT |
979 | |
980 | if (init_list(&list)) | |
981 | return 0; | |
982 | ||
7f5601e5 TT |
983 | if (creator_os && (!strcasecmp(creator_os, "GNU") || |
984 | !strcasecmp(creator_os, "hurd"))) | |
985 | is_hurd = 1; | |
986 | ||
3d43836f TT |
987 | if (fs_type) |
988 | ext_type = fs_type; | |
7f5601e5 TT |
989 | else if (is_hurd) |
990 | ext_type = "ext2"; | |
1a71bd42 TT |
991 | else if (!strcmp(program_name, "mke3fs")) |
992 | ext_type = "ext3"; | |
3d43836f TT |
993 | else if (progname) { |
994 | ext_type = strrchr(progname, '/'); | |
995 | if (ext_type) | |
996 | ext_type++; | |
997 | else | |
998 | ext_type = progname; | |
999 | ||
1000 | if (!strncmp(ext_type, "mkfs.", 5)) { | |
1001 | ext_type += 5; | |
1002 | if (ext_type[0] == 0) | |
1003 | ext_type = 0; | |
1004 | } else | |
1005 | ext_type = 0; | |
1006 | } | |
1007 | ||
1008 | if (!ext_type) { | |
1009 | profile_get_string(profile, "defaults", "fs_type", 0, | |
1010 | "ext2", &profile_type); | |
1011 | ext_type = profile_type; | |
1012 | if (!strcmp(ext_type, "ext2") && (journal_size != 0)) | |
1013 | ext_type = "ext3"; | |
1014 | } | |
1015 | ||
2ee4544d TT |
1016 | |
1017 | if (!profile_has_subsection(profile, "fs_types", ext_type) && | |
1018 | strcmp(ext_type, "ext2")) { | |
1019 | printf(_("\nYour mke2fs.conf file does not define the " | |
1020 | "%s filesystem type.\n"), ext_type); | |
1021 | if (!strcmp(ext_type, "ext3") || !strcmp(ext_type, "ext4") || | |
1022 | !strcmp(ext_type, "ext4dev")) { | |
bad89b2a TT |
1023 | printf(_("You probably need to install an updated " |
1024 | "mke2fs.conf file.\n\n")); | |
2ee4544d TT |
1025 | } |
1026 | if (!force) { | |
1027 | printf(_("Aborting...\n")); | |
1028 | exit(1); | |
bad89b2a TT |
1029 | } |
1030 | } | |
1031 | ||
3d43836f TT |
1032 | meg = (1024 * 1024) / EXT2_BLOCK_SIZE(fs_param); |
1033 | if (fs_param->s_blocks_count < 3 * meg) | |
1034 | size_type = "floppy"; | |
1035 | else if (fs_param->s_blocks_count < 512 * meg) | |
1036 | size_type = "small"; | |
1037 | else | |
1038 | size_type = "default"; | |
1039 | ||
1040 | if (!usage_types) | |
1041 | usage_types = size_type; | |
1042 | ||
1043 | parse_str = malloc(usage_types ? strlen(usage_types)+1 : 1); | |
1044 | if (!parse_str) { | |
1045 | free(list.list); | |
1046 | return 0; | |
1047 | } | |
1048 | if (usage_types) | |
1049 | strcpy(parse_str, usage_types); | |
1050 | else | |
1051 | *parse_str = '\0'; | |
1052 | ||
1053 | if (ext_type) | |
1054 | push_string(&list, ext_type); | |
1055 | cp = parse_str; | |
1056 | while (1) { | |
1057 | t = strchr(cp, ','); | |
1058 | if (t) | |
1059 | *t = '\0'; | |
1060 | ||
2ee4544d TT |
1061 | if (*cp) { |
1062 | if (!profile_has_subsection(profile, "fs_types", cp)) | |
1063 | fprintf(stderr, | |
1064 | _("\nWarning: the fs_type %s is not " | |
1065 | "defined in /etc/mke2fs.conf\n\n"), | |
1066 | cp); | |
1067 | else | |
1068 | push_string(&list, cp); | |
1069 | } | |
3d43836f TT |
1070 | if (t) |
1071 | cp = t+1; | |
1072 | else { | |
1073 | cp = ""; | |
1074 | break; | |
1075 | } | |
1076 | } | |
1077 | free(parse_str); | |
45e338f5 | 1078 | free(profile_type); |
7f5601e5 TT |
1079 | if (is_hurd) |
1080 | push_string(&list, "hurd"); | |
3d43836f TT |
1081 | return (list.list); |
1082 | } | |
1083 | ||
1084 | static char *get_string_from_profile(char **fs_types, const char *opt, | |
1085 | const char *def_val) | |
1086 | { | |
1087 | char *ret = 0; | |
3d43836f TT |
1088 | int i; |
1089 | ||
1090 | for (i=0; fs_types[i]; i++); | |
1091 | for (i-=1; i >=0 ; i--) { | |
1092 | profile_get_string(profile, "fs_types", fs_types[i], | |
1093 | opt, 0, &ret); | |
1094 | if (ret) | |
1095 | return ret; | |
1096 | } | |
1097 | profile_get_string(profile, "defaults", opt, 0, def_val, &ret); | |
1098 | return (ret); | |
1099 | } | |
1100 | ||
1101 | static int get_int_from_profile(char **fs_types, const char *opt, int def_val) | |
1102 | { | |
1103 | int ret; | |
1104 | char **cpp; | |
1105 | ||
1106 | profile_get_integer(profile, "defaults", opt, 0, def_val, &ret); | |
1107 | for (cpp = fs_types; *cpp; cpp++) | |
1108 | profile_get_integer(profile, "fs_types", *cpp, opt, ret, &ret); | |
1109 | return ret; | |
1110 | } | |
1111 | ||
a4396e9d TT |
1112 | static int get_bool_from_profile(char **fs_types, const char *opt, int def_val) |
1113 | { | |
1114 | int ret; | |
1115 | char **cpp; | |
1116 | ||
1117 | profile_get_boolean(profile, "defaults", opt, 0, def_val, &ret); | |
1118 | for (cpp = fs_types; *cpp; cpp++) | |
1119 | profile_get_boolean(profile, "fs_types", *cpp, opt, ret, &ret); | |
1120 | return ret; | |
1121 | } | |
3d43836f | 1122 | |
d48bc604 TT |
1123 | extern const char *mke2fs_default_profile; |
1124 | static const char *default_files[] = { "<default>", 0 }; | |
1125 | ||
9ed8e5fe ES |
1126 | #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY |
1127 | /* | |
1128 | * Sets the geometry of a device (stripe/stride), and returns the | |
1129 | * device's alignment offset, if any, or a negative error. | |
1130 | */ | |
1599b470 TT |
1131 | static int get_device_geometry(const char *file, |
1132 | struct ext2_super_block *fs_param, | |
1133 | int psector_size) | |
9ed8e5fe ES |
1134 | { |
1135 | int rc = -1; | |
1136 | int blocksize; | |
1137 | blkid_probe pr; | |
1138 | blkid_topology tp; | |
1139 | unsigned long min_io; | |
1140 | unsigned long opt_io; | |
13b0b123 ES |
1141 | struct stat statbuf; |
1142 | ||
1143 | /* Nothing to do for a regular file */ | |
1144 | if (!stat(file, &statbuf) && S_ISREG(statbuf.st_mode)) | |
1145 | return 0; | |
9ed8e5fe ES |
1146 | |
1147 | pr = blkid_new_probe_from_filename(file); | |
1148 | if (!pr) | |
1149 | goto out; | |
1150 | ||
1151 | tp = blkid_probe_get_topology(pr); | |
1152 | if (!tp) | |
1153 | goto out; | |
1154 | ||
1155 | min_io = blkid_topology_get_minimum_io_size(tp); | |
1156 | opt_io = blkid_topology_get_optimal_io_size(tp); | |
1157 | blocksize = EXT2_BLOCK_SIZE(fs_param); | |
1599b470 TT |
1158 | if ((min_io == 0) && (psector_size > blocksize)) |
1159 | min_io = psector_size; | |
1160 | if ((opt_io == 0) && min_io) | |
1161 | opt_io = min_io; | |
1162 | if ((opt_io == 0) && (psector_size > blocksize)) | |
1163 | opt_io = psector_size; | |
9ed8e5fe ES |
1164 | |
1165 | fs_param->s_raid_stride = min_io / blocksize; | |
1166 | fs_param->s_raid_stripe_width = opt_io / blocksize; | |
1167 | ||
1168 | rc = blkid_topology_get_alignment_offset(tp); | |
1169 | out: | |
1170 | blkid_free_probe(pr); | |
1171 | return rc; | |
1172 | } | |
1173 | #endif | |
1174 | ||
3839e657 TT |
1175 | static void PRS(int argc, char *argv[]) |
1176 | { | |
c5290fae | 1177 | int b, c; |
4a600566 | 1178 | int size; |
79e62409 | 1179 | char *tmp, **cpp; |
4a600566 TT |
1180 | int blocksize = 0; |
1181 | int inode_ratio = 0; | |
932a489c | 1182 | int inode_size = 0; |
9ba40002 | 1183 | unsigned long flex_bg_size = 0; |
ce911145 | 1184 | double reserved_ratio = 5.0; |
bb1158b9 | 1185 | int lsector_size = 0, psector_size = 0; |
1e6e4c5e | 1186 | int show_version_only = 0; |
de8f3a76 | 1187 | unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */ |
a418d3ad | 1188 | errcode_t retval; |
4a600566 | 1189 | char * oldpath = getenv("PATH"); |
c6a44136 | 1190 | char * extended_opts = 0; |
4ea7bd04 | 1191 | const char * fs_type = 0; |
3d43836f | 1192 | const char * usage_types = 0; |
4a600566 | 1193 | blk_t dev_size; |
756df353 | 1194 | #ifdef __linux__ |
4a600566 | 1195 | struct utsname ut; |
2740156b | 1196 | #endif |
31e29a12 | 1197 | long sysval; |
9dc6ad1e TT |
1198 | int s_opt = -1, r_opt = -1; |
1199 | char *fs_features = 0; | |
1200 | int use_bsize; | |
642935c0 TT |
1201 | char *newpath; |
1202 | int pathlen = sizeof(PATH_SET) + 1; | |
1203 | ||
1204 | if (oldpath) | |
1205 | pathlen += strlen(oldpath); | |
1206 | newpath = malloc(pathlen); | |
1207 | strcpy(newpath, PATH_SET); | |
14bbcbc3 | 1208 | |
3839e657 | 1209 | /* Update our PATH to include /sbin */ |
a418d3ad | 1210 | if (oldpath) { |
a418d3ad TT |
1211 | strcat (newpath, ":"); |
1212 | strcat (newpath, oldpath); | |
642935c0 TT |
1213 | } |
1214 | putenv (newpath); | |
3839e657 | 1215 | |
16ed5b3a TT |
1216 | tmp = getenv("MKE2FS_SYNC"); |
1217 | if (tmp) | |
1218 | sync_kludge = atoi(tmp); | |
31e29a12 TT |
1219 | |
1220 | /* Determine the system page size if possible */ | |
1221 | #ifdef HAVE_SYSCONF | |
1222 | #if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) | |
1223 | #define _SC_PAGESIZE _SC_PAGE_SIZE | |
1224 | #endif | |
1225 | #ifdef _SC_PAGESIZE | |
1226 | sysval = sysconf(_SC_PAGESIZE); | |
aab6fe73 | 1227 | if (sysval > 0) |
31e29a12 TT |
1228 | sys_page_size = sysval; |
1229 | #endif /* _SC_PAGESIZE */ | |
1230 | #endif /* HAVE_SYSCONF */ | |
9dc6ad1e TT |
1231 | |
1232 | if ((tmp = getenv("MKE2FS_CONFIG")) != NULL) | |
1233 | config_fn[0] = tmp; | |
1234 | profile_set_syntax_err_cb(syntax_err_report); | |
d48bc604 TT |
1235 | retval = profile_init(config_fn, &profile); |
1236 | if (retval == ENOENT) { | |
1237 | profile_init(default_files, &profile); | |
1238 | profile_set_default(profile, mke2fs_default_profile); | |
1239 | } | |
efc6f628 | 1240 | |
3839e657 TT |
1241 | setbuf(stdout, NULL); |
1242 | setbuf(stderr, NULL); | |
a6d8302b TT |
1243 | add_error_table(&et_ext2_error_table); |
1244 | add_error_table(&et_prof_error_table); | |
9b9a780f TT |
1245 | memset(&fs_param, 0, sizeof(struct ext2_super_block)); |
1246 | fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */ | |
843049c4 | 1247 | |
756df353 | 1248 | #ifdef __linux__ |
14bbcbc3 TT |
1249 | if (uname(&ut)) { |
1250 | perror("uname"); | |
1251 | exit(1); | |
1252 | } | |
d99225ec | 1253 | linux_version_code = parse_version_number(ut.release); |
9dc6ad1e | 1254 | if (linux_version_code && linux_version_code < (2*65536 + 2*256)) |
9b9a780f | 1255 | fs_param.s_rev_level = 0; |
14bbcbc3 | 1256 | #endif |
0072f8de AD |
1257 | |
1258 | if (argc && *argv) { | |
1259 | program_name = get_progname(*argv); | |
1260 | ||
1261 | /* If called as mkfs.ext3, create a journal inode */ | |
1a71bd42 TT |
1262 | if (!strcmp(program_name, "mkfs.ext3") || |
1263 | !strcmp(program_name, "mke3fs")) | |
0072f8de AD |
1264 | journal_size = -1; |
1265 | } | |
1266 | ||
1e3472c5 | 1267 | while ((c = getopt (argc, argv, |
c7cd908b | 1268 | "b:cf:g:G:i:jl:m:no:qr:s:t:vE:FI:J:KL:M:N:O:R:ST:U:V")) != EOF) { |
3839e657 TT |
1269 | switch (c) { |
1270 | case 'b': | |
c5290fae TT |
1271 | blocksize = strtol(optarg, &tmp, 0); |
1272 | b = (blocksize > 0) ? blocksize : -blocksize; | |
1273 | if (b < EXT2_MIN_BLOCK_SIZE || | |
1274 | b > EXT2_MAX_BLOCK_SIZE || *tmp) { | |
d9c56d3c | 1275 | com_err(program_name, 0, |
f37ab68a | 1276 | _("invalid block size - %s"), optarg); |
3839e657 TT |
1277 | exit(1); |
1278 | } | |
932a489c AD |
1279 | if (blocksize > 4096) |
1280 | fprintf(stderr, _("Warning: blocksize %d not " | |
1281 | "usable on most systems.\n"), | |
1282 | blocksize); | |
efc6f628 | 1283 | if (blocksize > 0) |
9b9a780f | 1284 | fs_param.s_log_block_size = |
c5290fae TT |
1285 | int_log2(blocksize >> |
1286 | EXT2_MIN_BLOCK_LOG_SIZE); | |
3839e657 | 1287 | break; |
b10fd5e8 | 1288 | case 'c': /* Check for bad blocks */ |
3ed57c27 | 1289 | cflag++; |
3839e657 TT |
1290 | break; |
1291 | case 'f': | |
1292 | size = strtoul(optarg, &tmp, 0); | |
932a489c AD |
1293 | if (size < EXT2_MIN_BLOCK_SIZE || |
1294 | size > EXT2_MAX_BLOCK_SIZE || *tmp) { | |
d9c56d3c | 1295 | com_err(program_name, 0, |
bb145b01 | 1296 | _("invalid fragment size - %s"), |
3839e657 TT |
1297 | optarg); |
1298 | exit(1); | |
1299 | } | |
9b9a780f | 1300 | fs_param.s_log_frag_size = |
6733c2fd | 1301 | int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); |
6693837e | 1302 | fprintf(stderr, _("Warning: fragments not supported. " |
d9c56d3c | 1303 | "Ignoring -f option\n")); |
3839e657 TT |
1304 | break; |
1305 | case 'g': | |
9b9a780f | 1306 | fs_param.s_blocks_per_group = strtoul(optarg, &tmp, 0); |
f3db3566 TT |
1307 | if (*tmp) { |
1308 | com_err(program_name, 0, | |
d9c56d3c | 1309 | _("Illegal number for blocks per group")); |
f3db3566 TT |
1310 | exit(1); |
1311 | } | |
9b9a780f | 1312 | if ((fs_param.s_blocks_per_group % 8) != 0) { |
f3db3566 | 1313 | com_err(program_name, 0, |
d9c56d3c | 1314 | _("blocks per group must be multiple of 8")); |
3839e657 TT |
1315 | exit(1); |
1316 | } | |
1317 | break; | |
9ba40002 TT |
1318 | case 'G': |
1319 | flex_bg_size = strtoul(optarg, &tmp, 0); | |
1320 | if (*tmp) { | |
1321 | com_err(program_name, 0, | |
1322 | _("Illegal number for flex_bg size")); | |
1323 | exit(1); | |
1324 | } | |
d531450c | 1325 | if (flex_bg_size < 1 || |
9ba40002 TT |
1326 | (flex_bg_size & (flex_bg_size-1)) != 0) { |
1327 | com_err(program_name, 0, | |
1328 | _("flex_bg size must be a power of 2")); | |
1329 | exit(1); | |
1330 | } | |
1331 | break; | |
3839e657 TT |
1332 | case 'i': |
1333 | inode_ratio = strtoul(optarg, &tmp, 0); | |
932a489c AD |
1334 | if (inode_ratio < EXT2_MIN_BLOCK_SIZE || |
1335 | inode_ratio > EXT2_MAX_BLOCK_SIZE * 1024 || | |
3839e657 | 1336 | *tmp) { |
d9c56d3c | 1337 | com_err(program_name, 0, |
bb145b01 | 1338 | _("invalid inode ratio %s (min %d/max %d)"), |
932a489c | 1339 | optarg, EXT2_MIN_BLOCK_SIZE, |
e447ba37 | 1340 | EXT2_MAX_BLOCK_SIZE * 1024); |
3839e657 TT |
1341 | exit(1); |
1342 | } | |
1343 | break; | |
dc2ec525 TT |
1344 | case 'J': |
1345 | parse_journal_opts(optarg); | |
1346 | break; | |
c7cd908b | 1347 | case 'K': |
0bc85dfb LC |
1348 | fprintf(stderr, _("Warning: -K option is deprecated and " |
1349 | "should not be used anymore. Use " | |
1350 | "\'-E nodiscard\' extended option " | |
1351 | "instead!\n")); | |
c7cd908b ES |
1352 | discard = 0; |
1353 | break; | |
85ef4ae8 | 1354 | case 'j': |
dc2ec525 TT |
1355 | if (!journal_size) |
1356 | journal_size = -1; | |
8ddaa66b | 1357 | break; |
3839e657 | 1358 | case 'l': |
f3db3566 TT |
1359 | bad_blocks_filename = malloc(strlen(optarg)+1); |
1360 | if (!bad_blocks_filename) { | |
1361 | com_err(program_name, ENOMEM, | |
d9c56d3c | 1362 | _("in malloc for bad_blocks_filename")); |
f3db3566 TT |
1363 | exit(1); |
1364 | } | |
1365 | strcpy(bad_blocks_filename, optarg); | |
3839e657 TT |
1366 | break; |
1367 | case 'm': | |
ce911145 | 1368 | reserved_ratio = strtod(optarg, &tmp); |
8d822455 TT |
1369 | if ( *tmp || reserved_ratio > 50 || |
1370 | reserved_ratio < 0) { | |
3839e657 | 1371 | com_err(program_name, 0, |
bb145b01 | 1372 | _("invalid reserved blocks percent - %s"), |
3839e657 TT |
1373 | optarg); |
1374 | exit(1); | |
1375 | } | |
1376 | break; | |
50787ea2 TT |
1377 | case 'n': |
1378 | noaction++; | |
1379 | break; | |
1e3472c5 TT |
1380 | case 'o': |
1381 | creator_os = optarg; | |
1382 | break; | |
2524785d AD |
1383 | case 'q': |
1384 | quiet = 1; | |
1385 | break; | |
7f88b043 | 1386 | case 'r': |
9dc6ad1e | 1387 | r_opt = strtoul(optarg, &tmp, 0); |
2524785d AD |
1388 | if (*tmp) { |
1389 | com_err(program_name, 0, | |
1390 | _("bad revision level - %s"), optarg); | |
1391 | exit(1); | |
1392 | } | |
9dc6ad1e | 1393 | fs_param.s_rev_level = r_opt; |
7f88b043 | 1394 | break; |
b10fd5e8 | 1395 | case 's': /* deprecated */ |
9dc6ad1e | 1396 | s_opt = atoi(optarg); |
521e3685 | 1397 | break; |
7f88b043 | 1398 | case 'I': |
932a489c AD |
1399 | inode_size = strtoul(optarg, &tmp, 0); |
1400 | if (*tmp) { | |
1401 | com_err(program_name, 0, | |
bb145b01 | 1402 | _("invalid inode size - %s"), optarg); |
932a489c AD |
1403 | exit(1); |
1404 | } | |
7f88b043 | 1405 | break; |
3839e657 TT |
1406 | case 'v': |
1407 | verbose = 1; | |
1408 | break; | |
74becf3c | 1409 | case 'F': |
c16e610c | 1410 | force++; |
74becf3c | 1411 | break; |
1e3472c5 TT |
1412 | case 'L': |
1413 | volume_label = optarg; | |
1414 | break; | |
1415 | case 'M': | |
1416 | mount_dir = optarg; | |
1417 | break; | |
2524785d AD |
1418 | case 'N': |
1419 | num_inodes = strtoul(optarg, &tmp, 0); | |
1420 | if (*tmp) { | |
1421 | com_err(program_name, 0, | |
1422 | _("bad num inodes - %s"), optarg); | |
1423 | exit(1); | |
1424 | } | |
1425 | break; | |
896938d5 | 1426 | case 'O': |
9dc6ad1e | 1427 | fs_features = optarg; |
896938d5 | 1428 | break; |
c6a44136 | 1429 | case 'E': |
a29f4d30 | 1430 | case 'R': |
c6a44136 | 1431 | extended_opts = optarg; |
a29f4d30 | 1432 | break; |
f3db3566 TT |
1433 | case 'S': |
1434 | super_only = 1; | |
1435 | break; | |
3d43836f | 1436 | case 't': |
50787ea2 TT |
1437 | fs_type = optarg; |
1438 | break; | |
3d43836f TT |
1439 | case 'T': |
1440 | usage_types = optarg; | |
1441 | break; | |
b0afdda1 TT |
1442 | case 'U': |
1443 | fs_uuid = optarg; | |
1444 | break; | |
818180cd TT |
1445 | case 'V': |
1446 | /* Print version number and exit */ | |
1e6e4c5e TT |
1447 | show_version_only++; |
1448 | break; | |
3839e657 TT |
1449 | default: |
1450 | usage(); | |
1451 | } | |
3839e657 | 1452 | } |
55f4cbd9 | 1453 | if ((optind == argc) && !show_version_only) |
3839e657 | 1454 | usage(); |
55f4cbd9 | 1455 | device_name = argv[optind++]; |
a418d3ad | 1456 | |
1e6e4c5e | 1457 | if (!quiet || show_version_only) |
efc6f628 | 1458 | fprintf (stderr, "mke2fs %s (%s)\n", E2FSPROGS_VERSION, |
3879857e TT |
1459 | E2FSPROGS_DATE); |
1460 | ||
1e6e4c5e | 1461 | if (show_version_only) { |
efc6f628 | 1462 | fprintf(stderr, _("\tUsing %s\n"), |
1e6e4c5e TT |
1463 | error_message(EXT2_ET_BASE)); |
1464 | exit(0); | |
1465 | } | |
1466 | ||
77dc4eb0 TT |
1467 | /* |
1468 | * If there's no blocksize specified and there is a journal | |
1469 | * device, use it to figure out the blocksize | |
1470 | */ | |
c5290fae | 1471 | if (blocksize <= 0 && journal_device) { |
77dc4eb0 | 1472 | ext2_filsys jfs; |
a7ccdff8 | 1473 | io_manager io_ptr; |
77dc4eb0 | 1474 | |
a7ccdff8 | 1475 | #ifdef CONFIG_TESTIO_DEBUG |
f38cf3cb TT |
1476 | if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { |
1477 | io_ptr = test_io_manager; | |
1478 | test_io_backing_manager = unix_io_manager; | |
1479 | } else | |
a7ccdff8 | 1480 | #endif |
f38cf3cb | 1481 | io_ptr = unix_io_manager; |
77dc4eb0 TT |
1482 | retval = ext2fs_open(journal_device, |
1483 | EXT2_FLAG_JOURNAL_DEV_OK, 0, | |
a7ccdff8 | 1484 | 0, io_ptr, &jfs); |
77dc4eb0 TT |
1485 | if (retval) { |
1486 | com_err(program_name, retval, | |
1487 | _("while trying to open journal device %s\n"), | |
1488 | journal_device); | |
1489 | exit(1); | |
1490 | } | |
54434927 | 1491 | if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { |
c5290fae | 1492 | com_err(program_name, 0, |
ddc32a04 | 1493 | _("Journal dev blocksize (%d) smaller than " |
c5290fae TT |
1494 | "minimum blocksize %d\n"), jfs->blocksize, |
1495 | -blocksize); | |
1496 | exit(1); | |
1497 | } | |
77dc4eb0 | 1498 | blocksize = jfs->blocksize; |
f8df04bc | 1499 | printf(_("Using journal device's blocksize: %d\n"), blocksize); |
9b9a780f | 1500 | fs_param.s_log_block_size = |
77dc4eb0 TT |
1501 | int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); |
1502 | ext2fs_close(jfs); | |
1503 | } | |
dc2ec525 | 1504 | |
31e29a12 | 1505 | if (blocksize > sys_page_size) { |
932a489c AD |
1506 | if (!force) { |
1507 | com_err(program_name, 0, | |
1508 | _("%d-byte blocks too big for system (max %d)"), | |
31e29a12 | 1509 | blocksize, sys_page_size); |
932a489c AD |
1510 | proceed_question(); |
1511 | } | |
1512 | fprintf(stderr, _("Warning: %d-byte blocks too big for system " | |
1513 | "(max %d), forced to continue\n"), | |
31e29a12 | 1514 | blocksize, sys_page_size); |
932a489c | 1515 | } |
55f4cbd9 | 1516 | if (optind < argc) { |
efc6f628 | 1517 | fs_param.s_blocks_count = parse_num_blocks(argv[optind++], |
9b9a780f TT |
1518 | fs_param.s_log_block_size); |
1519 | if (!fs_param.s_blocks_count) { | |
792cce30 ES |
1520 | com_err(program_name, 0, |
1521 | _("invalid blocks count '%s' on device '%s'"), | |
1522 | argv[optind - 1], device_name); | |
55f4cbd9 TT |
1523 | exit(1); |
1524 | } | |
1525 | } | |
1526 | if (optind < argc) | |
1527 | usage(); | |
1528 | ||
74becf3c | 1529 | if (!force) |
8ddaa66b | 1530 | check_plausibility(device_name); |
63985320 | 1531 | check_mount(device_name, force, _("filesystem")); |
a418d3ad | 1532 | |
9b9a780f | 1533 | fs_param.s_log_frag_size = fs_param.s_log_block_size; |
3839e657 | 1534 | |
9b9a780f TT |
1535 | if (noaction && fs_param.s_blocks_count) { |
1536 | dev_size = fs_param.s_blocks_count; | |
50787ea2 | 1537 | retval = 0; |
20953129 TT |
1538 | } else { |
1539 | retry: | |
50787ea2 | 1540 | retval = ext2fs_get_device_size(device_name, |
9b9a780f | 1541 | EXT2_BLOCK_SIZE(&fs_param), |
50787ea2 | 1542 | &dev_size); |
20953129 | 1543 | if ((retval == EFBIG) && |
efc6f628 | 1544 | (blocksize == 0) && |
9b9a780f TT |
1545 | (fs_param.s_log_block_size == 0)) { |
1546 | fs_param.s_log_block_size = 2; | |
20953129 TT |
1547 | blocksize = 4096; |
1548 | goto retry; | |
1549 | } | |
1550 | } | |
efc6f628 | 1551 | |
f8df04bc | 1552 | if (retval == EFBIG) { |
37d17a65 TT |
1553 | blk64_t big_dev_size; |
1554 | ||
1555 | if (blocksize < 4096) { | |
1556 | fs_param.s_log_block_size = 2; | |
1557 | blocksize = 4096; | |
1558 | } | |
1559 | retval = ext2fs_get_device_size2(device_name, | |
1560 | EXT2_BLOCK_SIZE(&fs_param), &big_dev_size); | |
1561 | if (retval) | |
1562 | goto get_size_failure; | |
1563 | if (big_dev_size == (1ULL << 32)) { | |
1564 | dev_size = (blk_t) (big_dev_size - 1); | |
1565 | goto got_size; | |
1566 | } | |
f8df04bc TT |
1567 | fprintf(stderr, _("%s: Size of device %s too big " |
1568 | "to be expressed in 32 bits\n\t" | |
1569 | "using a blocksize of %d.\n"), | |
1570 | program_name, device_name, EXT2_BLOCK_SIZE(&fs_param)); | |
1571 | exit(1); | |
1572 | } | |
37d17a65 | 1573 | get_size_failure: |
a789d840 TT |
1574 | if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) { |
1575 | com_err(program_name, retval, | |
d9c56d3c | 1576 | _("while trying to determine filesystem size")); |
a789d840 TT |
1577 | exit(1); |
1578 | } | |
37d17a65 | 1579 | got_size: |
9b9a780f | 1580 | if (!fs_param.s_blocks_count) { |
a789d840 TT |
1581 | if (retval == EXT2_ET_UNIMPLEMENTED) { |
1582 | com_err(program_name, 0, | |
d9c56d3c | 1583 | _("Couldn't determine device size; you " |
a789d840 | 1584 | "must specify\nthe size of the " |
d9c56d3c | 1585 | "filesystem\n")); |
a418d3ad | 1586 | exit(1); |
26ab5315 TT |
1587 | } else { |
1588 | if (dev_size == 0) { | |
1589 | com_err(program_name, 0, | |
1590 | _("Device size reported to be zero. " | |
1591 | "Invalid partition specified, or\n\t" | |
1592 | "partition table wasn't reread " | |
1593 | "after running fdisk, due to\n\t" | |
1594 | "a modified partition being busy " | |
1595 | "and in use. You may need to reboot\n\t" | |
1596 | "to re-read your partition table.\n" | |
1597 | )); | |
1598 | exit(1); | |
1599 | } | |
9b9a780f TT |
1600 | fs_param.s_blocks_count = dev_size; |
1601 | if (sys_page_size > EXT2_BLOCK_SIZE(&fs_param)) | |
1602 | fs_param.s_blocks_count &= ~((sys_page_size / | |
1603 | EXT2_BLOCK_SIZE(&fs_param))-1); | |
26ab5315 | 1604 | } |
efc6f628 | 1605 | |
9b9a780f | 1606 | } else if (!force && (fs_param.s_blocks_count > dev_size)) { |
a789d840 | 1607 | com_err(program_name, 0, |
c5290fae | 1608 | _("Filesystem larger than apparent device size.")); |
a789d840 | 1609 | proceed_question(); |
a418d3ad | 1610 | } |
3839e657 | 1611 | |
3d43836f TT |
1612 | fs_types = parse_fs_type(fs_type, usage_types, &fs_param, argv[0]); |
1613 | if (!fs_types) { | |
1614 | fprintf(stderr, _("Failed to parse fs types list\n")); | |
1615 | exit(1); | |
1616 | } | |
9dc6ad1e TT |
1617 | |
1618 | /* Figure out what features should be enabled */ | |
1619 | ||
3d43836f | 1620 | tmp = NULL; |
b290d2dc | 1621 | if (fs_param.s_rev_level != EXT2_GOOD_OLD_REV) { |
3d43836f TT |
1622 | tmp = get_string_from_profile(fs_types, "base_features", |
1623 | "sparse_super,filetype,resize_inode,dir_index"); | |
1624 | edit_feature(tmp, &fs_param.s_feature_compat); | |
b290d2dc | 1625 | free(tmp); |
b290d2dc | 1626 | |
3d43836f TT |
1627 | for (cpp = fs_types; *cpp; cpp++) { |
1628 | tmp = NULL; | |
1629 | profile_get_string(profile, "fs_types", *cpp, | |
1630 | "features", "", &tmp); | |
1631 | if (tmp && *tmp) | |
1632 | edit_feature(tmp, &fs_param.s_feature_compat); | |
45e338f5 | 1633 | free(tmp); |
3d43836f TT |
1634 | } |
1635 | tmp = get_string_from_profile(fs_types, "default_features", | |
1636 | ""); | |
b290d2dc | 1637 | } |
3d43836f | 1638 | edit_feature(fs_features ? fs_features : tmp, |
b290d2dc | 1639 | &fs_param.s_feature_compat); |
45e338f5 | 1640 | free(tmp); |
b290d2dc | 1641 | |
b4d5105b TT |
1642 | if (fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { |
1643 | fs_types[0] = strdup("journal"); | |
1644 | fs_types[1] = 0; | |
1645 | } | |
1646 | ||
1647 | if (verbose) { | |
1648 | fputs(_("fs_types for mke2fs.conf resolution: "), stdout); | |
1649 | print_str_list(fs_types); | |
1650 | } | |
1651 | ||
efc6f628 | 1652 | if (r_opt == EXT2_GOOD_OLD_REV && |
b290d2dc | 1653 | (fs_param.s_feature_compat || fs_param.s_feature_incompat || |
92fb8545 | 1654 | fs_param.s_feature_ro_compat)) { |
9dc6ad1e TT |
1655 | fprintf(stderr, _("Filesystem features not supported " |
1656 | "with revision 0 filesystems\n")); | |
1657 | exit(1); | |
1658 | } | |
1659 | ||
b290d2dc TT |
1660 | if (s_opt > 0) { |
1661 | if (r_opt == EXT2_GOOD_OLD_REV) { | |
1662 | fprintf(stderr, _("Sparse superblocks not supported " | |
1663 | "with revision 0 filesystems\n")); | |
1664 | exit(1); | |
1665 | } | |
9dc6ad1e TT |
1666 | fs_param.s_feature_ro_compat |= |
1667 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; | |
b290d2dc | 1668 | } else if (s_opt == 0) |
9dc6ad1e TT |
1669 | fs_param.s_feature_ro_compat &= |
1670 | ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; | |
1671 | ||
b290d2dc TT |
1672 | if (journal_size != 0) { |
1673 | if (r_opt == EXT2_GOOD_OLD_REV) { | |
1674 | fprintf(stderr, _("Journals not supported " | |
1675 | "with revision 0 filesystems\n")); | |
1676 | exit(1); | |
1677 | } | |
efc6f628 | 1678 | fs_param.s_feature_compat |= |
9dc6ad1e | 1679 | EXT3_FEATURE_COMPAT_HAS_JOURNAL; |
b290d2dc | 1680 | } |
9dc6ad1e | 1681 | |
efc6f628 | 1682 | if (fs_param.s_feature_incompat & |
9dc6ad1e | 1683 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { |
9dc6ad1e TT |
1684 | reserved_ratio = 0; |
1685 | fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; | |
1686 | fs_param.s_feature_compat = 0; | |
1687 | fs_param.s_feature_ro_compat = 0; | |
1688 | } | |
d94cc2ea TT |
1689 | |
1690 | if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && | |
1691 | (fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) { | |
1692 | fprintf(stderr, _("The resize_inode and meta_bg features " | |
1693 | "are not compatible.\n" | |
1694 | "They can not be both enabled " | |
1695 | "simultaneously.\n")); | |
1696 | exit(1); | |
1697 | } | |
1698 | ||
c046ac7f TT |
1699 | /* Set first meta blockgroup via an environment variable */ |
1700 | /* (this is mostly for debugging purposes) */ | |
9b9a780f | 1701 | if ((fs_param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && |
c046ac7f | 1702 | ((tmp = getenv("MKE2FS_FIRST_META_BG")))) |
9b9a780f | 1703 | fs_param.s_first_meta_bg = atoi(tmp); |
c046ac7f | 1704 | |
bb1158b9 TT |
1705 | /* Get the hardware sector sizes, if available */ |
1706 | retval = ext2fs_get_device_sectsize(device_name, &lsector_size); | |
93d5c387 TT |
1707 | if (retval) { |
1708 | com_err(program_name, retval, | |
1709 | _("while trying to determine hardware sector size")); | |
1710 | exit(1); | |
1711 | } | |
bb1158b9 TT |
1712 | retval = ext2fs_get_device_phys_sectsize(device_name, &psector_size); |
1713 | if (retval) { | |
1714 | com_err(program_name, retval, | |
1715 | _("while trying to determine physical sector size")); | |
1716 | exit(1); | |
1717 | } | |
1cca86f5 | 1718 | |
54434927 | 1719 | if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL) |
92eb5a33 TT |
1720 | lsector_size = atoi(tmp); |
1721 | if ((tmp = getenv("MKE2FS_DEVICE_PHYS_SECTSIZE")) != NULL) | |
bb1158b9 | 1722 | psector_size = atoi(tmp); |
efc6f628 | 1723 | |
92eb5a33 TT |
1724 | /* Older kernels may not have physical/logical distinction */ |
1725 | if (!psector_size) | |
1726 | psector_size = lsector_size; | |
1727 | ||
9dc6ad1e | 1728 | if (blocksize <= 0) { |
3d43836f | 1729 | use_bsize = get_int_from_profile(fs_types, "blocksize", 4096); |
9dc6ad1e TT |
1730 | |
1731 | if (use_bsize == -1) { | |
1732 | use_bsize = sys_page_size; | |
1733 | if ((linux_version_code < (2*65536 + 6*256)) && | |
1734 | (use_bsize > 4096)) | |
1735 | use_bsize = 4096; | |
1736 | } | |
2b21a0d9 TT |
1737 | if (lsector_size && use_bsize < lsector_size) |
1738 | use_bsize = lsector_size; | |
9dc6ad1e TT |
1739 | if ((blocksize < 0) && (use_bsize < (-blocksize))) |
1740 | use_bsize = -blocksize; | |
1741 | blocksize = use_bsize; | |
1742 | fs_param.s_blocks_count /= blocksize / 1024; | |
bb1158b9 | 1743 | } else { |
f89f54af | 1744 | if (blocksize < lsector_size) { /* Impossible */ |
bb1158b9 TT |
1745 | com_err(program_name, EINVAL, |
1746 | _("while setting blocksize; too small " | |
1747 | "for device\n")); | |
1748 | exit(1); | |
f89f54af TT |
1749 | } else if ((blocksize < psector_size) && |
1750 | (psector_size <= sys_page_size)) { /* Suboptimal */ | |
bb1158b9 | 1751 | fprintf(stderr, _("Warning: specified blocksize %d is " |
f89f54af TT |
1752 | "less than device physical sectorsize %d\n"), |
1753 | blocksize, psector_size); | |
bb1158b9 | 1754 | } |
9dc6ad1e TT |
1755 | } |
1756 | ||
1757 | if (inode_ratio == 0) { | |
3d43836f TT |
1758 | inode_ratio = get_int_from_profile(fs_types, "inode_ratio", |
1759 | 8192); | |
9dc6ad1e TT |
1760 | if (inode_ratio < blocksize) |
1761 | inode_ratio = blocksize; | |
1762 | } | |
1763 | ||
1764 | fs_param.s_log_frag_size = fs_param.s_log_block_size = | |
1765 | int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); | |
1766 | ||
9ed8e5fe | 1767 | #ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY |
1599b470 | 1768 | retval = get_device_geometry(device_name, &fs_param, psector_size); |
9ed8e5fe ES |
1769 | if (retval < 0) { |
1770 | fprintf(stderr, | |
13b0b123 | 1771 | _("warning: Unable to get device geometry for %s\n"), |
9ed8e5fe ES |
1772 | device_name); |
1773 | } else if (retval) { | |
1774 | printf(_("%s alignment is offset by %lu bytes.\n"), | |
1775 | device_name, retval); | |
1776 | printf(_("This may result in very poor performance, " | |
1777 | "(re)-partitioning suggested.\n")); | |
9ed8e5fe ES |
1778 | } |
1779 | #endif | |
1780 | ||
9b9a780f | 1781 | blocksize = EXT2_BLOCK_SIZE(&fs_param); |
a4396e9d | 1782 | |
210fd2c7 TT |
1783 | lazy_itable_init = 0; |
1784 | if (access("/sys/fs/ext4/features/lazy_itable_init", R_OK) == 0) | |
1785 | lazy_itable_init = 1; | |
1786 | ||
efc6f628 | 1787 | lazy_itable_init = get_bool_from_profile(fs_types, |
210fd2c7 TT |
1788 | "lazy_itable_init", |
1789 | lazy_itable_init); | |
7fe5ff3c | 1790 | discard = get_bool_from_profile(fs_types, "discard" , discard); |
efc6f628 | 1791 | |
2d36358d TT |
1792 | /* Get options from profile */ |
1793 | for (cpp = fs_types; *cpp; cpp++) { | |
1794 | tmp = NULL; | |
1795 | profile_get_string(profile, "fs_types", *cpp, "options", "", &tmp); | |
1796 | if (tmp && *tmp) | |
1797 | parse_extended_opts(&fs_param, tmp); | |
45e338f5 | 1798 | free(tmp); |
2d36358d TT |
1799 | } |
1800 | ||
c6a44136 | 1801 | if (extended_opts) |
9b9a780f | 1802 | parse_extended_opts(&fs_param, extended_opts); |
d323f8fb TT |
1803 | |
1804 | /* Since sparse_super is the default, we would only have a problem | |
1805 | * here if it was explicitly disabled. | |
1806 | */ | |
9b9a780f TT |
1807 | if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && |
1808 | !(fs_param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { | |
d323f8fb TT |
1809 | com_err(program_name, 0, |
1810 | _("reserved online resize blocks not supported " | |
1811 | "on non-sparse filesystem")); | |
1812 | exit(1); | |
1813 | } | |
1814 | ||
9b9a780f TT |
1815 | if (fs_param.s_blocks_per_group) { |
1816 | if (fs_param.s_blocks_per_group < 256 || | |
1817 | fs_param.s_blocks_per_group > 8 * (unsigned) blocksize) { | |
521e3685 | 1818 | com_err(program_name, 0, |
d9c56d3c | 1819 | _("blocks per group count out of range")); |
521e3685 TT |
1820 | exit(1); |
1821 | } | |
1822 | } | |
1823 | ||
3d43836f TT |
1824 | if (inode_size == 0) |
1825 | inode_size = get_int_from_profile(fs_types, "inode_size", 0); | |
9ba40002 TT |
1826 | if (!flex_bg_size && (fs_param.s_feature_incompat & |
1827 | EXT4_FEATURE_INCOMPAT_FLEX_BG)) | |
1828 | flex_bg_size = get_int_from_profile(fs_types, | |
1829 | "flex_bg_size", 16); | |
1830 | if (flex_bg_size) { | |
1831 | if (!(fs_param.s_feature_incompat & | |
1832 | EXT4_FEATURE_INCOMPAT_FLEX_BG)) { | |
1833 | com_err(program_name, 0, | |
1834 | _("Flex_bg feature not enabled, so " | |
1835 | "flex_bg size may not be specified")); | |
1836 | exit(1); | |
1837 | } | |
1838 | fs_param.s_log_groups_per_flex = int_log2(flex_bg_size); | |
1839 | } | |
067911ae AD |
1840 | |
1841 | if (inode_size && fs_param.s_rev_level >= EXT2_DYNAMIC_REV) { | |
932a489c | 1842 | if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || |
9b9a780f | 1843 | inode_size > EXT2_BLOCK_SIZE(&fs_param) || |
932a489c AD |
1844 | inode_size & (inode_size - 1)) { |
1845 | com_err(program_name, 0, | |
bb145b01 | 1846 | _("invalid inode size %d (min %d/max %d)"), |
932a489c | 1847 | inode_size, EXT2_GOOD_OLD_INODE_SIZE, |
c5290fae | 1848 | blocksize); |
932a489c AD |
1849 | exit(1); |
1850 | } | |
9b9a780f | 1851 | fs_param.s_inode_size = inode_size; |
932a489c AD |
1852 | } |
1853 | ||
f3358643 ES |
1854 | /* Make sure number of inodes specified will fit in 32 bits */ |
1855 | if (num_inodes == 0) { | |
de8f3a76 AD |
1856 | unsigned long long n; |
1857 | n = (unsigned long long) fs_param.s_blocks_count * blocksize / inode_ratio; | |
f3358643 ES |
1858 | if (n > ~0U) { |
1859 | com_err(program_name, 0, | |
1860 | _("too many inodes (%llu), raise inode ratio?"), n); | |
1861 | exit(1); | |
1862 | } | |
1863 | } else if (num_inodes > ~0U) { | |
1864 | com_err(program_name, 0, | |
1865 | _("too many inodes (%llu), specify < 2^32 inodes"), | |
de8f3a76 | 1866 | num_inodes); |
f3358643 ES |
1867 | exit(1); |
1868 | } | |
3839e657 TT |
1869 | /* |
1870 | * Calculate number of inodes based on the inode ratio | |
1871 | */ | |
efc6f628 | 1872 | fs_param.s_inodes_count = num_inodes ? num_inodes : |
9b9a780f | 1873 | ((__u64) fs_param.s_blocks_count * blocksize) |
f3db3566 | 1874 | / inode_ratio; |
3839e657 | 1875 | |
dcf7b091 AD |
1876 | if ((((long long)fs_param.s_inodes_count) * |
1877 | (inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE)) >= | |
efc6f628 | 1878 | (((long long)fs_param.s_blocks_count) * |
dcf7b091 AD |
1879 | EXT2_BLOCK_SIZE(&fs_param))) { |
1880 | com_err(program_name, 0, _("inode_size (%u) * inodes_count " | |
1881 | "(%u) too big for a\n\t" | |
1882 | "filesystem with %lu blocks, " | |
1883 | "specify higher inode_ratio (-i)\n\t" | |
1884 | "or lower inode count (-N).\n"), | |
1885 | inode_size ? inode_size : EXT2_GOOD_OLD_INODE_SIZE, | |
efc6f628 | 1886 | fs_param.s_inodes_count, |
de8f3a76 | 1887 | (unsigned long) fs_param.s_blocks_count); |
dcf7b091 AD |
1888 | exit(1); |
1889 | } | |
1890 | ||
3839e657 TT |
1891 | /* |
1892 | * Calculate number of blocks to reserve | |
1893 | */ | |
9ff8ece5 TT |
1894 | fs_param.s_r_blocks_count = (unsigned int) (reserved_ratio * |
1895 | fs_param.s_blocks_count / 100.0); | |
3839e657 | 1896 | } |
d323f8fb | 1897 | |
b626b39a AK |
1898 | static int should_do_undo(const char *name) |
1899 | { | |
1900 | errcode_t retval; | |
1901 | io_channel channel; | |
1902 | __u16 s_magic; | |
1903 | struct ext2_super_block super; | |
1904 | io_manager manager = unix_io_manager; | |
1905 | int csum_flag, force_undo; | |
1906 | ||
1907 | csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param, | |
1908 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM); | |
1909 | force_undo = get_int_from_profile(fs_types, "force_undo", 0); | |
1910 | if (!force_undo && (!csum_flag || !lazy_itable_init)) | |
1911 | return 0; | |
1912 | ||
1913 | retval = manager->open(name, IO_FLAG_EXCLUSIVE, &channel); | |
1914 | if (retval) { | |
1915 | /* | |
1916 | * We don't handle error cases instead we | |
1917 | * declare that the file system doesn't exist | |
1918 | * and let the rest of mke2fs take care of | |
1919 | * error | |
1920 | */ | |
1921 | retval = 0; | |
1922 | goto open_err_out; | |
1923 | } | |
1924 | ||
1925 | io_channel_set_blksize(channel, SUPERBLOCK_OFFSET); | |
1926 | retval = io_channel_read_blk(channel, 1, -SUPERBLOCK_SIZE, &super); | |
1927 | if (retval) { | |
1928 | retval = 0; | |
1929 | goto err_out; | |
1930 | } | |
1931 | ||
1932 | #if defined(WORDS_BIGENDIAN) | |
1933 | s_magic = ext2fs_swab16(super.s_magic); | |
1934 | #else | |
1935 | s_magic = super.s_magic; | |
1936 | #endif | |
1937 | ||
1938 | if (s_magic == EXT2_SUPER_MAGIC) | |
1939 | retval = 1; | |
1940 | ||
1941 | err_out: | |
1942 | io_channel_close(channel); | |
1943 | ||
1944 | open_err_out: | |
1945 | ||
1946 | return retval; | |
1947 | } | |
1948 | ||
1949 | static int mke2fs_setup_tdb(const char *name, io_manager *io_ptr) | |
1950 | { | |
1951 | errcode_t retval = 0; | |
f203bbdb | 1952 | char *tdb_dir, *tdb_file; |
b626b39a AK |
1953 | char *device_name, *tmp_name; |
1954 | ||
1955 | /* | |
1956 | * Configuration via a conf file would be | |
1957 | * nice | |
1958 | */ | |
1959 | tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); | |
1960 | if (!tdb_dir) | |
1961 | profile_get_string(profile, "defaults", | |
1962 | "undo_dir", 0, "/var/lib/e2fsprogs", | |
1963 | &tdb_dir); | |
1964 | ||
1965 | if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || | |
1966 | access(tdb_dir, W_OK)) | |
1967 | return 0; | |
1968 | ||
1969 | tmp_name = strdup(name); | |
f203bbdb TT |
1970 | if (!tmp_name) { |
1971 | alloc_fn_fail: | |
1972 | com_err(program_name, ENOMEM, | |
1973 | _("Couldn't allocate memory for tdb filename\n")); | |
1974 | return ENOMEM; | |
1975 | } | |
b626b39a | 1976 | device_name = basename(tmp_name); |
f203bbdb TT |
1977 | tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(device_name) + 7 + 1); |
1978 | if (!tdb_file) | |
1979 | goto alloc_fn_fail; | |
b626b39a AK |
1980 | sprintf(tdb_file, "%s/mke2fs-%s.e2undo", tdb_dir, device_name); |
1981 | ||
1982 | if (!access(tdb_file, F_OK)) { | |
1983 | if (unlink(tdb_file) < 0) { | |
1984 | retval = errno; | |
1985 | com_err(program_name, retval, | |
1986 | _("while trying to delete %s"), | |
1987 | tdb_file); | |
f203bbdb | 1988 | free(tdb_file); |
b626b39a AK |
1989 | return retval; |
1990 | } | |
1991 | } | |
1992 | ||
1993 | set_undo_io_backing_manager(*io_ptr); | |
1994 | *io_ptr = undo_io_manager; | |
1995 | set_undo_io_backup_file(tdb_file); | |
1996 | printf(_("Overwriting existing filesystem; this can be undone " | |
1997 | "using the command:\n" | |
1998 | " e2undo %s %s\n\n"), tdb_file, name); | |
79e62409 | 1999 | |
f203bbdb | 2000 | free(tdb_file); |
b626b39a AK |
2001 | free(tmp_name); |
2002 | return retval; | |
2003 | } | |
2004 | ||
c7cd908b ES |
2005 | #ifdef __linux__ |
2006 | ||
2007 | #ifndef BLKDISCARD | |
2008 | #define BLKDISCARD _IO(0x12,119) | |
2009 | #endif | |
2010 | ||
6fcd6f84 ES |
2011 | #ifndef BLKDISCARDZEROES |
2012 | #define BLKDISCARDZEROES _IO(0x12,124) | |
2013 | #endif | |
2014 | ||
2015 | /* | |
2016 | * Return zero if the discard succeeds, and -1 if the discard fails. | |
2017 | */ | |
2018 | static int mke2fs_discard_blocks(ext2_filsys fs) | |
c7cd908b ES |
2019 | { |
2020 | int fd; | |
2021 | int ret; | |
2022 | int blocksize; | |
2023 | __u64 blocks; | |
2024 | __uint64_t range[2]; | |
2025 | ||
2026 | blocks = fs->super->s_blocks_count; | |
2027 | blocksize = EXT2_BLOCK_SIZE(fs->super); | |
2028 | range[0] = 0; | |
2029 | range[1] = blocks * blocksize; | |
2030 | ||
f3befe3e | 2031 | fd = open64(fs->device_name, O_RDWR); |
c7cd908b | 2032 | |
c7cd908b ES |
2033 | if (fd > 0) { |
2034 | ret = ioctl(fd, BLKDISCARD, &range); | |
2035 | if (verbose) { | |
2036 | printf(_("Calling BLKDISCARD from %llu to %llu "), | |
b25df6f8 TT |
2037 | (unsigned long long) range[0], |
2038 | (unsigned long long) range[1]); | |
c7cd908b ES |
2039 | if (ret) |
2040 | printf(_("failed.\n")); | |
2041 | else | |
2042 | printf(_("succeeded.\n")); | |
2043 | } | |
2044 | close(fd); | |
2045 | } | |
6fcd6f84 ES |
2046 | return ret; |
2047 | } | |
2048 | ||
2049 | static int mke2fs_discard_zeroes_data(ext2_filsys fs) | |
2050 | { | |
2051 | int fd; | |
2052 | int ret; | |
2053 | int discard_zeroes_data = 0; | |
2054 | ||
2055 | fd = open64(fs->device_name, O_RDWR); | |
2056 | ||
2057 | if (fd > 0) { | |
2058 | ioctl(fd, BLKDISCARDZEROES, &discard_zeroes_data); | |
2059 | close(fd); | |
2060 | } | |
2061 | return discard_zeroes_data; | |
c7cd908b ES |
2062 | } |
2063 | #else | |
6fcd6f84 ES |
2064 | #define mke2fs_discard_blocks(fs) 1 |
2065 | #define mke2fs_discard_zeroes_data(fs) 0 | |
c7cd908b ES |
2066 | #endif |
2067 | ||
3839e657 TT |
2068 | int main (int argc, char *argv[]) |
2069 | { | |
2070 | errcode_t retval = 0; | |
2071 | ext2_filsys fs; | |
2072 | badblocks_list bb_list = 0; | |
d4e0b1c6 | 2073 | unsigned int journal_blocks; |
54434927 | 2074 | unsigned int i; |
d5f57d95 | 2075 | int val, hash_alg; |
a7ccdff8 | 2076 | io_manager io_ptr; |
b626b39a | 2077 | char tdb_string[40]; |
d5f57d95 | 2078 | char *hash_alg_str; |
6fcd6f84 | 2079 | int itable_zeroed = 0; |
d9c56d3c TT |
2080 | |
2081 | #ifdef ENABLE_NLS | |
2082 | setlocale(LC_MESSAGES, ""); | |
14308a53 | 2083 | setlocale(LC_CTYPE, ""); |
d9c56d3c TT |
2084 | bindtextdomain(NLS_CAT_NAME, LOCALEDIR); |
2085 | textdomain(NLS_CAT_NAME); | |
2086 | #endif | |
3839e657 TT |
2087 | PRS(argc, argv); |
2088 | ||
a7ccdff8 | 2089 | #ifdef CONFIG_TESTIO_DEBUG |
f38cf3cb TT |
2090 | if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { |
2091 | io_ptr = test_io_manager; | |
2092 | test_io_backing_manager = unix_io_manager; | |
2093 | } else | |
a7ccdff8 | 2094 | #endif |
f38cf3cb | 2095 | io_ptr = unix_io_manager; |
a7ccdff8 | 2096 | |
b626b39a AK |
2097 | if (should_do_undo(device_name)) { |
2098 | retval = mke2fs_setup_tdb(device_name, &io_ptr); | |
2099 | if (retval) | |
2100 | exit(1); | |
2101 | } | |
2102 | ||
3839e657 TT |
2103 | /* |
2104 | * Initialize the superblock.... | |
2105 | */ | |
616059bf | 2106 | retval = ext2fs_initialize(device_name, EXT2_FLAG_EXCLUSIVE, &fs_param, |
a7ccdff8 | 2107 | io_ptr, &fs); |
3839e657 | 2108 | if (retval) { |
d9c56d3c | 2109 | com_err(device_name, retval, _("while setting up superblock")); |
3839e657 TT |
2110 | exit(1); |
2111 | } | |
c7cd908b ES |
2112 | |
2113 | /* Can't undo discard ... */ | |
6fcd6f84 ES |
2114 | if (discard && (io_ptr != undo_io_manager)) { |
2115 | retval = mke2fs_discard_blocks(fs); | |
2116 | ||
2117 | if (!retval && mke2fs_discard_zeroes_data(fs)) { | |
2118 | if (verbose) | |
2119 | printf(_("Discard succeeded and will return 0s " | |
2120 | " - skipping inode table wipe\n")); | |
2121 | lazy_itable_init = 1; | |
2122 | itable_zeroed = 1; | |
2123 | } | |
2124 | } | |
c7cd908b | 2125 | |
b626b39a AK |
2126 | sprintf(tdb_string, "tdb_data_size=%d", fs->blocksize <= 4096 ? |
2127 | 32768 : fs->blocksize * 8); | |
2128 | io_channel_set_options(fs->io, tdb_string); | |
3839e657 | 2129 | |
6cb27404 TT |
2130 | if (fs_param.s_flags & EXT2_FLAGS_TEST_FILESYS) |
2131 | fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS; | |
2132 | ||
b7c5b403 TT |
2133 | if ((fs_param.s_feature_incompat & |
2134 | (EXT3_FEATURE_INCOMPAT_EXTENTS|EXT4_FEATURE_INCOMPAT_FLEX_BG)) || | |
2135 | (fs_param.s_feature_ro_compat & | |
2136 | (EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM| | |
2137 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK| | |
2138 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE))) | |
2139 | fs->super->s_kbytes_written = 1; | |
2140 | ||
e41784eb TT |
2141 | /* |
2142 | * Wipe out the old on-disk superblock | |
2143 | */ | |
04a96857 TT |
2144 | if (!noaction) |
2145 | zap_sector(fs, 2, 6); | |
e41784eb | 2146 | |
1e3472c5 | 2147 | /* |
b0afdda1 | 2148 | * Parse or generate a UUID for the filesystem |
1e3472c5 | 2149 | */ |
b0afdda1 TT |
2150 | if (fs_uuid) { |
2151 | if (uuid_parse(fs_uuid, fs->super->s_uuid) !=0) { | |
2152 | com_err(device_name, 0, "could not parse UUID: %s\n", | |
2153 | fs_uuid); | |
2154 | exit(1); | |
2155 | } | |
2156 | } else | |
2157 | uuid_generate(fs->super->s_uuid); | |
1e3472c5 | 2158 | |
843049c4 TT |
2159 | /* |
2160 | * Initialize the directory index variables | |
2161 | */ | |
d5f57d95 TT |
2162 | hash_alg_str = get_string_from_profile(fs_types, "hash_alg", |
2163 | "half_md4"); | |
2164 | hash_alg = e2p_string2hash(hash_alg_str); | |
2165 | fs->super->s_def_hash_version = (hash_alg >= 0) ? hash_alg : | |
2166 | EXT2_HASH_HALF_MD4; | |
843049c4 TT |
2167 | uuid_generate((unsigned char *) fs->super->s_hash_seed); |
2168 | ||
44c09c04 TT |
2169 | /* |
2170 | * Add "jitter" to the superblock's check interval so that we | |
2171 | * don't check all the filesystems at the same time. We use a | |
2172 | * kludgy hack of using the UUID to derive a random jitter value. | |
2173 | */ | |
2174 | for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) | |
2175 | val += fs->super->s_uuid[i]; | |
2176 | fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; | |
2177 | ||
1e3472c5 TT |
2178 | /* |
2179 | * Override the creator OS, if applicable | |
2180 | */ | |
2181 | if (creator_os && !set_os(fs->super, creator_os)) { | |
d9c56d3c | 2182 | com_err (program_name, 0, _("unknown os - %s"), creator_os); |
1e3472c5 TT |
2183 | exit(1); |
2184 | } | |
2185 | ||
4ea0a110 TT |
2186 | /* |
2187 | * For the Hurd, we will turn off filetype since it doesn't | |
2188 | * support it. | |
2189 | */ | |
2190 | if (fs->super->s_creator_os == EXT2_OS_HURD) | |
2191 | fs->super->s_feature_incompat &= | |
2192 | ~EXT2_FEATURE_INCOMPAT_FILETYPE; | |
2193 | ||
1e3472c5 TT |
2194 | /* |
2195 | * Set the volume label... | |
2196 | */ | |
2197 | if (volume_label) { | |
ef9abe5f TT |
2198 | memset(fs->super->s_volume_name, 0, |
2199 | sizeof(fs->super->s_volume_name)); | |
2200 | strncpy(fs->super->s_volume_name, volume_label, | |
2201 | sizeof(fs->super->s_volume_name)); | |
1e3472c5 TT |
2202 | } |
2203 | ||
2204 | /* | |
2205 | * Set the last mount directory | |
2206 | */ | |
2207 | if (mount_dir) { | |
ef9abe5f TT |
2208 | memset(fs->super->s_last_mounted, 0, |
2209 | sizeof(fs->super->s_last_mounted)); | |
2210 | strncpy(fs->super->s_last_mounted, mount_dir, | |
2211 | sizeof(fs->super->s_last_mounted)); | |
1e3472c5 | 2212 | } |
efc6f628 | 2213 | |
50787ea2 | 2214 | if (!quiet || noaction) |
3839e657 TT |
2215 | show_stats(fs); |
2216 | ||
50787ea2 TT |
2217 | if (noaction) |
2218 | exit(0); | |
2219 | ||
16ed5b3a TT |
2220 | if (fs->super->s_feature_incompat & |
2221 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { | |
2222 | create_journal_dev(fs); | |
568101f7 | 2223 | exit(ext2fs_close(fs) ? 1 : 0); |
16ed5b3a TT |
2224 | } |
2225 | ||
3839e657 TT |
2226 | if (bad_blocks_filename) |
2227 | read_bb_file(fs, &bb_list, bad_blocks_filename); | |
2228 | if (cflag) | |
2229 | test_disk(fs, &bb_list); | |
2230 | ||
2231 | handle_bad_blocks(fs, bb_list); | |
0c17cb25 | 2232 | fs->stride = fs_stride = fs->super->s_raid_stride; |
19c78dc0 TT |
2233 | retval = ext2fs_allocate_tables(fs); |
2234 | if (retval) { | |
2235 | com_err(program_name, retval, | |
d9c56d3c | 2236 | _("while trying to allocate filesystem tables")); |
19c78dc0 TT |
2237 | exit(1); |
2238 | } | |
f3db3566 TT |
2239 | if (super_only) { |
2240 | fs->super->s_state |= EXT2_ERROR_FS; | |
2241 | fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); | |
2242 | } else { | |
59f27247 | 2243 | /* rsv must be a power of two (64kB is MD RAID sb alignment) */ |
54434927 | 2244 | unsigned int rsv = 65536 / fs->blocksize; |
1400bbb6 | 2245 | unsigned long blocks = fs->super->s_blocks_count; |
59f27247 | 2246 | unsigned long start; |
1400bbb6 TT |
2247 | blk_t ret_blk; |
2248 | ||
2249 | #ifdef ZAP_BOOTBLOCK | |
04a96857 | 2250 | zap_sector(fs, 0, 2); |
1400bbb6 | 2251 | #endif |
59f27247 | 2252 | |
1400bbb6 TT |
2253 | /* |
2254 | * Wipe out any old MD RAID (or other) metadata at the end | |
2255 | * of the device. This will also verify that the device is | |
59f27247 | 2256 | * as large as we think. Be careful with very small devices. |
1400bbb6 | 2257 | */ |
59f27247 AD |
2258 | start = (blocks & ~(rsv - 1)); |
2259 | if (start > rsv) | |
2260 | start -= rsv; | |
2261 | if (start > 0) | |
b626b39a AK |
2262 | retval = ext2fs_zero_blocks(fs, start, blocks - start, |
2263 | &ret_blk, NULL); | |
59f27247 | 2264 | |
1400bbb6 TT |
2265 | if (retval) { |
2266 | com_err(program_name, retval, | |
f044b4d8 | 2267 | _("while zeroing block %u at end of filesystem"), |
1400bbb6 | 2268 | ret_blk); |
1400bbb6 | 2269 | } |
6fcd6f84 | 2270 | write_inode_tables(fs, lazy_itable_init, itable_zeroed); |
f3db3566 TT |
2271 | create_root_dir(fs); |
2272 | create_lost_and_found(fs); | |
2273 | reserve_inodes(fs); | |
2274 | create_bad_block_inode(fs, bb_list); | |
efc6f628 | 2275 | if (fs->super->s_feature_compat & |
ea774315 TT |
2276 | EXT2_FEATURE_COMPAT_RESIZE_INODE) { |
2277 | retval = ext2fs_create_resize_inode(fs); | |
2278 | if (retval) { | |
2279 | com_err("ext2fs_create_resize_inode", retval, | |
d323f8fb | 2280 | _("while reserving blocks for online resize")); |
ea774315 TT |
2281 | exit(1); |
2282 | } | |
d323f8fb | 2283 | } |
f3db3566 | 2284 | } |
8ddaa66b | 2285 | |
16ed5b3a TT |
2286 | if (journal_device) { |
2287 | ext2_filsys jfs; | |
efc6f628 | 2288 | |
8ddaa66b | 2289 | if (!force) |
efc6f628 | 2290 | check_plausibility(journal_device); |
63985320 | 2291 | check_mount(journal_device, force, _("journal")); |
8ddaa66b | 2292 | |
16ed5b3a TT |
2293 | retval = ext2fs_open(journal_device, EXT2_FLAG_RW| |
2294 | EXT2_FLAG_JOURNAL_DEV_OK, 0, | |
2295 | fs->blocksize, unix_io_manager, &jfs); | |
2296 | if (retval) { | |
2297 | com_err(program_name, retval, | |
2298 | _("while trying to open journal device %s\n"), | |
2299 | journal_device); | |
2300 | exit(1); | |
2301 | } | |
93345d15 | 2302 | if (!quiet) { |
efc6f628 | 2303 | printf(_("Adding journal to device %s: "), |
8ddaa66b | 2304 | journal_device); |
93345d15 TT |
2305 | fflush(stdout); |
2306 | } | |
16ed5b3a TT |
2307 | retval = ext2fs_add_journal_device(fs, jfs); |
2308 | if(retval) { | |
efc6f628 TT |
2309 | com_err (program_name, retval, |
2310 | _("\n\twhile trying to add journal to device %s"), | |
8ddaa66b TT |
2311 | journal_device); |
2312 | exit(1); | |
2313 | } | |
2314 | if (!quiet) | |
2315 | printf(_("done\n")); | |
16ed5b3a | 2316 | ext2fs_close(jfs); |
2d15576d | 2317 | free(journal_device); |
9dc6ad1e | 2318 | } else if ((journal_size) || |
efc6f628 | 2319 | (fs_param.s_feature_compat & |
9dc6ad1e | 2320 | EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { |
2537b6d0 | 2321 | journal_blocks = figure_journal_size(journal_size, fs); |
93345d15 | 2322 | |
a620badd TT |
2323 | if (super_only) { |
2324 | printf(_("Skipping journal creation in super-only mode\n")); | |
2325 | fs->super->s_journal_inum = EXT2_JOURNAL_INO; | |
2326 | goto no_journal; | |
2327 | } | |
2328 | ||
93345d15 TT |
2329 | if (!journal_blocks) { |
2330 | fs->super->s_feature_compat &= | |
2331 | ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; | |
2332 | goto no_journal; | |
2333 | } | |
2334 | if (!quiet) { | |
d4e0b1c6 | 2335 | printf(_("Creating journal (%u blocks): "), |
16ad3334 | 2336 | journal_blocks); |
93345d15 TT |
2337 | fflush(stdout); |
2338 | } | |
63985320 TT |
2339 | retval = ext2fs_add_journal_inode(fs, journal_blocks, |
2340 | journal_flags); | |
85ef4ae8 TT |
2341 | if (retval) { |
2342 | com_err (program_name, retval, | |
1d08d9bf | 2343 | _("\n\twhile trying to create journal")); |
85ef4ae8 TT |
2344 | exit(1); |
2345 | } | |
2346 | if (!quiet) | |
2347 | printf(_("done\n")); | |
2348 | } | |
93345d15 TT |
2349 | no_journal: |
2350 | ||
3839e657 | 2351 | if (!quiet) |
d9c56d3c TT |
2352 | printf(_("Writing superblocks and " |
2353 | "filesystem accounting information: ")); | |
5d45d803 TT |
2354 | retval = ext2fs_flush(fs); |
2355 | if (retval) { | |
6693837e TT |
2356 | fprintf(stderr, |
2357 | _("\nWarning, had trouble writing out superblocks.")); | |
5d45d803 | 2358 | } |
93345d15 | 2359 | if (!quiet) { |
2537b6d0 | 2360 | printf(_("done\n\n")); |
1cca86f5 TT |
2361 | if (!getenv("MKE2FS_SKIP_CHECK_MSG")) |
2362 | print_check_message(fs); | |
93345d15 | 2363 | } |
568101f7 | 2364 | val = ext2fs_close(fs); |
a6d8302b TT |
2365 | remove_error_table(&et_ext2_error_table); |
2366 | remove_error_table(&et_prof_error_table); | |
3d43836f | 2367 | profile_release(profile); |
568101f7 | 2368 | return (retval || val) ? 1 : 0; |
3839e657 | 2369 | } |