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tune2fs: prevent enabling encryption flag on encoding-aware fs
[thirdparty/e2fsprogs.git] / misc / tune2fs.c
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3839e657 1/*
4d0f2283 2 * tune2fs.c - Change the file system parameters on an ext2 file system
3839e657
TT		 3 *
4 * Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr>
5 * Laboratoire MASI, Institut Blaise Pascal
6 * Universite Pierre et Marie Curie (Paris VI)
7 *
4d0f2283 8 * Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o.
19c78dc0
TT		 9 *
10 * %Begin-Header%
11 * This file may be redistributed under the terms of the GNU Public
12 * License.
13 * %End-Header%
3839e657
TT		 14 */
15
16/*
17 * History:
18 * 93/06/01 - Creation
19 * 93/10/31 - Added the -c option to change the maximal mount counts
20 * 93/12/14 - Added -l flag to list contents of superblock
21 * M.J.E. Mol (marcel@duteca.et.tudelft.nl)
22 * F.W. ten Wolde (franky@duteca.et.tudelft.nl)
23 * 93/12/29 - Added the -e option to change errors behavior
24 * 94/02/27 - Ported to use the ext2fs library
25 * 94/03/06 - Added the checks interval from Uwe Ohse (uwe@tirka.gun.de)
26 */
27
ebabf2ad 28#define _XOPEN_SOURCE 600 /* for inclusion of strptime() */
d1154eb4 29#include "config.h"
3839e657 30#include <fcntl.h>
f3db3566 31#include <grp.h>
a418d3ad 32#ifdef HAVE_GETOPT_H
3839e657 33#include <getopt.h>
373b8337
TT		 34#else
35extern char *optarg;
36extern int optind;
a418d3ad 37#endif
f3db3566 38#include <pwd.h>
3839e657 39#include <stdio.h>
f38cf3cb 40#ifdef HAVE_STDLIB_H
3839e657 41#include <stdlib.h>
f38cf3cb 42#endif
269da3b8
AD		 43#ifdef HAVE_STRINGS_H
44#include <strings.h> /* for strcasecmp() */
45#else
46#define _BSD_SOURCE /* for inclusion of strcasecmp() via <string.h> */
82e48fb1 47#define _DEFAULT_SOURCE /* since glibc 2.20 _BSD_SOURCE is deprecated */
269da3b8 48#endif
3839e657
TT		 49#include <string.h>
50#include <time.h>
51#include <unistd.h>
f3db3566 52#include <sys/types.h>
64d588cf 53#include <libgen.h>
36585791 54#include <limits.h>
3839e657 55
54c637d4 56#include "ext2fs/ext2_fs.h"
3839e657 57#include "ext2fs/ext2fs.h"
81f95d43 58#include "ext2fs/kernel-jbd.h"
3839e657 59#include "et/com_err.h"
99ceb8ec
TT		 60#include "support/plausible.h"
61#include "support/quotaio.h"
1e3472c5 62#include "uuid/uuid.h"
3839e657 63#include "e2p/e2p.h"
63985320 64#include "util.h"
ed1b33e8 65#include "blkid/blkid.h"
3839e657
TT		 66
67#include "../version.h"
99ceb8ec 68#include "support/nls-enable.h"
3839e657 69
771e8db9
AK		 70#define QOPT_ENABLE (1)
71#define QOPT_DISABLE (-1)
72
73extern int ask_yn(const char *string, int def);
74
ec43da2f
TT		 75const char *program_name = "tune2fs";
76char *device_name;
77char *new_label, *new_last_mounted, *new_UUID;
78char *io_options;
4d0f2283 79static int c_flag, C_flag, e_flag, f_flag, g_flag, i_flag, l_flag, L_flag;
771e8db9 80static int m_flag, M_flag, Q_flag, r_flag, s_flag = -1, u_flag, U_flag, T_flag;
64d588cf 81static int I_flag;
0f5eba75 82static int clear_mmp;
d4de4aa9 83static time_t last_check_time;
83238153 84static int print_label;
63985320 85static int max_mount_count, mount_count, mount_flags;
4efbac6f
VAH		 86static unsigned long interval;
87static blk64_t reserved_blocks;
ce911145 88static double reserved_ratio;
63985320
TT		 89static unsigned long resgid, resuid;
90static unsigned short errors;
83238153
TT		 91static int open_flag;
92static char *features_cmd;
a0c3fd5e 93static char *mntopts_cmd;
0c17cb25
TT		 94static int stride, stripe_width;
95static int stride_set, stripe_width_set;
6cb27404 96static char *extended_cmd;
721b367a 97static unsigned long new_inode_size;
9a976ac7 98static char *ext_mount_opts;
2d2d799c 99static int quota_enable[MAXQUOTAS];
7178b571 100static int rewrite_checksums;
e2637655
DW		 101static int feature_64bit;
102static int fsck_requested;
f7d05594 103static char *undo_file;
3839e657 104
63985320
TT		 105int journal_size, journal_flags;
106char *journal_device;
b818205f 107static blk64_t journal_location = ~0LL;
63985320 108
64d588cf
AK		 109static struct list_head blk_move_list;
110
111struct blk_move {
112 struct list_head list;
7117f8d6
VAH		 113 blk64_t old_loc;
114 blk64_t new_loc;
64d588cf
AK		 115};
116
c864b9eb 117errcode_t ext2fs_run_ext3_journal(ext2_filsys *fs);
64d588cf 118
a120a5da
TT		 119static const char *fsck_explain = N_("\nThis operation requires a freshly checked filesystem.\n");
120
4d433532 121static const char *please_fsck = N_("Please run e2fsck -f on the filesystem.\n");
761b76a4 122static const char *please_dir_fsck =
4d433532 123 N_("Please run e2fsck -fD on the filesystem.\n");
1e3472c5 124
14b596d4 125#ifdef CONFIG_BUILD_FINDFS
3e699064 126void do_findfs(int argc, char **argv);
14b596d4 127#endif
3e699064 128
1fc23b5e
TT		 129#ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jbd-debug */
130int journal_enable_debug = -1;
131#endif
132
818180cd 133static void usage(void)
3839e657 134{
b21e38a0 135 fprintf(stderr,
bc8f1ae5 136 _("Usage: %s [-c max_mounts_count] [-e errors_behavior] [-f] "
b21e38a0 137 "[-g group]\n"
ff662d5d 138 "\t[-i interval[d|m|w]] [-j] [-J journal_options] [-l]\n"
9e8fcd6e 139 "\t[-m reserved_blocks_percent] [-o [^]mount_options[,...]]\n"
75dd3c47
TN		 140 "\t[-r reserved_blocks_count] [-u user] [-C mount_count]\n"
141 "\t[-L volume_label] [-M last_mounted_dir]\n"
9e8fcd6e 142 "\t[-O [^]feature[,...]] [-Q quota_options]\n"
6cb27404 143 "\t[-E extended-option[,...]] [-T last_check_time] "
f7d05594
DW		 144 "[-U UUID]\n\t[-I new_inode_size] [-z undo_file] device\n"),
145 program_name);
ec43da2f 146 exit(1);
3839e657
TT		 147}
148
896938d5 149static __u32 ok_features[3] = {
558df544 150 /* Compat */
843049c4 151 EXT3_FEATURE_COMPAT_HAS_JOURNAL |
558df544
TT		 152 EXT2_FEATURE_COMPAT_DIR_INDEX,
153 /* Incompat */
a49670e6
TT		 154 EXT2_FEATURE_INCOMPAT_FILETYPE |
155 EXT3_FEATURE_INCOMPAT_EXTENTS |
0f5eba75 156 EXT4_FEATURE_INCOMPAT_FLEX_BG |
6a081f6d 157 EXT4_FEATURE_INCOMPAT_EA_INODE|
e2637655 158 EXT4_FEATURE_INCOMPAT_MMP |
654531df 159 EXT4_FEATURE_INCOMPAT_64BIT |
2be9cd86 160 EXT4_FEATURE_INCOMPAT_ENCRYPT |
3f0cf647
AB		 161 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
162 EXT4_FEATURE_INCOMPAT_LARGEDIR,
558df544
TT		 163 /* R/O compat */
164 EXT2_FEATURE_RO_COMPAT_LARGE_FILE |
2be8fe43
TT		 165 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
166 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
167 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
4e988cb4 168 EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
771e8db9 169 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER |
7178b571 170 EXT4_FEATURE_RO_COMPAT_QUOTA |
8b39e4cf 171 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM |
0c18d036 172 EXT4_FEATURE_RO_COMPAT_READONLY |
faae7aa0
TT		 173 EXT4_FEATURE_RO_COMPAT_PROJECT |
174 EXT4_FEATURE_RO_COMPAT_VERITY
896938d5
TT		 175};
176
7c4a2ef5 177static __u32 clear_ok_features[3] = {
558df544 178 /* Compat */
7c4a2ef5 179 EXT3_FEATURE_COMPAT_HAS_JOURNAL |
037914e2 180 EXT2_FEATURE_COMPAT_RESIZE_INODE |
558df544
TT		 181 EXT2_FEATURE_COMPAT_DIR_INDEX,
182 /* Incompat */
a49670e6 183 EXT2_FEATURE_INCOMPAT_FILETYPE |
0f5eba75 184 EXT4_FEATURE_INCOMPAT_FLEX_BG |
e2637655 185 EXT4_FEATURE_INCOMPAT_MMP |
2be9cd86
DW		 186 EXT4_FEATURE_INCOMPAT_64BIT |
187 EXT4_FEATURE_INCOMPAT_CSUM_SEED,
558df544 188 /* R/O compat */
4e988cb4 189 EXT2_FEATURE_RO_COMPAT_LARGE_FILE |
2be8fe43
TT		 190 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
191 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
192 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
771e8db9 193 EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
7178b571 194 EXT4_FEATURE_RO_COMPAT_QUOTA |
245831ad 195 EXT4_FEATURE_RO_COMPAT_PROJECT |
8b39e4cf
TT		 196 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM |
197 EXT4_FEATURE_RO_COMPAT_READONLY
896938d5
TT		 198};
199
7dfefaf4
AK		 200/**
201 * Try to get journal super block if any
202 */
203static int get_journal_sb(ext2_filsys jfs, char buf[SUPERBLOCK_SIZE])
204{
205 int retval;
7dfefaf4
AK		 206 journal_superblock_t *jsb;
207
7889640d 208 if (!ext2fs_has_feature_journal_dev(jfs->super)) {
7dfefaf4
AK		 209 return EXT2_ET_UNSUPP_FEATURE;
210 }
211
212 /* Get the journal superblock */
213 if ((retval = io_channel_read_blk64(jfs->io,
214 ext2fs_journal_sb_start(jfs->blocksize), -SUPERBLOCK_SIZE, buf))) {
215 com_err(program_name, retval, "%s",
216 _("while reading journal superblock"));
217 return retval;
218 }
219
220 jsb = (journal_superblock_t *) buf;
221 if ((jsb->s_header.h_magic != (unsigned)ntohl(JFS_MAGIC_NUMBER)) ||
222 (jsb->s_header.h_blocktype != (unsigned)ntohl(JFS_SUPERBLOCK_V2))) {
223 fputs(_("Journal superblock not found!\n"), stderr);
224 return EXT2_ET_BAD_MAGIC;
225 }
226
227 return 0;
228}
229
0befec4e
AD		 230static __u8 *journal_user(__u8 uuid[UUID_SIZE], __u8 s_users[JFS_USERS_SIZE],
231 int nr_users)
9c2c1e9a
AK		 232{
233 int i;
234 for (i = 0; i < nr_users; i++) {
235 if (memcmp(uuid, &s_users[i * UUID_SIZE], UUID_SIZE) == 0)
236 return &s_users[i * UUID_SIZE];
237 }
238
239 return NULL;
240}
241
dc2ec525
TT		 242/*
243 * Remove an external journal from the filesystem
244 */
0f5eba75 245static int remove_journal_device(ext2_filsys fs)
dc2ec525 246{
4ea7bd04 247 char *journal_path;
dc2ec525 248 ext2_filsys jfs;
59707c1b 249 char buf[SUPERBLOCK_SIZE] __attribute__ ((aligned(8)));
dc2ec525
TT		 250 journal_superblock_t *jsb;
251 int i, nr_users;
252 errcode_t retval;
4d0f2283 253 int commit_remove_journal = 0;
2a29f135 254 io_manager io_ptr;
4d0f2283
TT		 255
256 if (f_flag)
257 commit_remove_journal = 1; /* force removal even if error */
dc2ec525 258
2d15576d 259 uuid_unparse(fs->super->s_journal_uuid, buf);
ed1b33e8 260 journal_path = blkid_get_devname(NULL, "UUID", buf);
2d15576d 261
4ea7bd04
TT		 262 if (!journal_path) {
263 journal_path =
2d15576d 264 ext2fs_find_block_device(fs->super->s_journal_dev);
4ea7bd04 265 if (!journal_path)
d90d6a71 266 goto no_valid_journal;
2d15576d 267 }
dc2ec525 268
2a29f135 269#ifdef CONFIG_TESTIO_DEBUG
f38cf3cb
TT		 270 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
271 io_ptr = test_io_manager;
272 test_io_backing_manager = unix_io_manager;
273 } else
2a29f135 274#endif
f38cf3cb 275 io_ptr = unix_io_manager;
4ea7bd04 276 retval = ext2fs_open(journal_path, EXT2_FLAG_RW|
dc2ec525 277 EXT2_FLAG_JOURNAL_DEV_OK, 0,
2a29f135 278 fs->blocksize, io_ptr, &jfs);
dc2ec525 279 if (retval) {
45ff69ff 280 com_err(program_name, retval, "%s",
dc2ec525 281 _("while trying to open external journal"));
4d0f2283 282 goto no_valid_journal;
dc2ec525 283 }
dc2ec525 284
7dfefaf4
AK		 285 if ((retval = get_journal_sb(jfs, buf))) {
286 if (retval == EXT2_ET_UNSUPP_FEATURE)
287 fprintf(stderr, _("%s is not a journal device.\n"),
288 journal_path);
4d0f2283 289 goto no_valid_journal;
dc2ec525
TT		 290 }
291
292 jsb = (journal_superblock_t *) buf;
dc2ec525
TT		 293 /* Find the filesystem UUID */
294 nr_users = ntohl(jsb->s_nr_users);
b0ec76d6
LC		 295 if (nr_users > JFS_USERS_MAX) {
296 fprintf(stderr, _("Journal superblock is corrupted, nr_users\n"
297 "is too high (%d).\n"), nr_users);
298 commit_remove_journal = 1;
299 goto no_valid_journal;
300 }
9c2c1e9a
AK		 301
302 if (!journal_user(fs->super->s_uuid, jsb->s_users, nr_users)) {
efc6f628 303 fputs(_("Filesystem's UUID not found on journal device.\n"),
54434927 304 stderr);
4d0f2283
TT		 305 commit_remove_journal = 1;
306 goto no_valid_journal;
dc2ec525
TT		 307 }
308 nr_users--;
ec43da2f 309 for (i = 0; i < nr_users; i++)
6747ac86 310 memcpy(&jsb->s_users[i * 16], &jsb->s_users[(i + 1) * 16], 16);
dc2ec525
TT		 311 jsb->s_nr_users = htonl(nr_users);
312
313 /* Write back the journal superblock */
0befec4e
AD		 314 retval = io_channel_write_blk64(jfs->io,
315 ext2fs_journal_sb_start(fs->blocksize),
316 -SUPERBLOCK_SIZE, buf);
317 if (retval) {
dc2ec525
TT		 318 com_err(program_name, retval,
319 "while writing journal superblock.");
4d0f2283 320 goto no_valid_journal;
dc2ec525
TT		 321 }
322
4d0f2283
TT		 323 commit_remove_journal = 1;
324
325no_valid_journal:
326 if (commit_remove_journal == 0) {
d90d6a71
AD		 327 fputs(_("Cannot locate journal device. It was NOT removed\n"
328 "Use -f option to remove missing journal device.\n"),
329 stderr);
0f5eba75 330 return 1;
4d0f2283 331 }
dc2ec525 332 fs->super->s_journal_dev = 0;
d9112409 333 memset(fs->super->s_jnl_blocks, 0, sizeof(fs->super->s_jnl_blocks));
ed1b33e8 334 uuid_clear(fs->super->s_journal_uuid);
dc2ec525 335 ext2fs_mark_super_dirty(fs);
54434927 336 fputs(_("Journal removed\n"), stdout);
4ea7bd04 337 free(journal_path);
0f5eba75
AD		 338
339 return 0;
dc2ec525
TT		 340}
341
194686bb 342/* Helper function for remove_journal_inode */
7117f8d6
VAH		 343static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
344 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
345 blk64_t ref_block EXT2FS_ATTR((unused)),
346 int ref_offset EXT2FS_ATTR((unused)),
54434927 347 void *private EXT2FS_ATTR((unused)))
194686bb 348{
7117f8d6 349 blk64_t block;
194686bb
TT		 350 int group;
351
352 block = *blocknr;
3c041a51 353 ext2fs_unmark_block_bitmap2(fs->block_map, block);
6493f8e8 354 group = ext2fs_group_of_blk2(fs, block);
d7cca6b0 355 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
4e988cb4 356 ext2fs_group_desc_csum_set(fs, group);
fe75afbf 357 ext2fs_free_blocks_count_add(fs->super, EXT2FS_CLUSTER_RATIO(fs));
194686bb
TT		 358 return 0;
359}
360
361/*
362 * Remove the journal inode from the filesystem
363 */
0f5eba75 364static errcode_t remove_journal_inode(ext2_filsys fs)
194686bb
TT		 365{
366 struct ext2_inode inode;
367 errcode_t retval;
368 ino_t ino = fs->super->s_journal_inum;
efc6f628 369
194686bb
TT		 370 retval = ext2fs_read_inode(fs, ino, &inode);
371 if (retval) {
45ff69ff 372 com_err(program_name, retval, "%s",
194686bb 373 _("while reading journal inode"));
0f5eba75 374 return retval;
194686bb
TT		 375 }
376 if (ino == EXT2_JOURNAL_INO) {
377 retval = ext2fs_read_bitmaps(fs);
378 if (retval) {
45ff69ff 379 com_err(program_name, retval, "%s",
194686bb 380 _("while reading bitmaps"));
0f5eba75 381 return retval;
194686bb 382 }
7117f8d6
VAH		 383 retval = ext2fs_block_iterate3(fs, ino,
384 BLOCK_FLAG_READ_ONLY, NULL,
385 release_blocks_proc, NULL);
194686bb 386 if (retval) {
45ff69ff 387 com_err(program_name, retval, "%s",
194686bb 388 _("while clearing journal inode"));
0f5eba75 389 return retval;
194686bb
TT		 390 }
391 memset(&inode, 0, sizeof(inode));
392 ext2fs_mark_bb_dirty(fs);
194686bb
TT		 393 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
394 } else
395 inode.i_flags &= ~EXT2_IMMUTABLE_FL;
396 retval = ext2fs_write_inode(fs, ino, &inode);
397 if (retval) {
45ff69ff 398 com_err(program_name, retval, "%s",
194686bb 399 _("while writing journal inode"));
0f5eba75 400 return retval;
194686bb
TT		 401 }
402 fs->super->s_journal_inum = 0;
e690eae5 403 memset(fs->super->s_jnl_blocks, 0, sizeof(fs->super->s_jnl_blocks));
194686bb 404 ext2fs_mark_super_dirty(fs);
0f5eba75
AD		 405
406 return 0;
194686bb 407}
dc2ec525 408
a0c3fd5e
TT		 409/*
410 * Update the default mount options
411 */
0f5eba75 412static int update_mntopts(ext2_filsys fs, char *mntopts)
a0c3fd5e 413{
ec43da2f 414 struct ext2_super_block *sb = fs->super;
a0c3fd5e
TT		 415
416 if (e2p_edit_mntopts(mntopts, &sb->s_default_mount_opts, ~0)) {
417 fprintf(stderr, _("Invalid mount option set: %s\n"),
418 mntopts);
0f5eba75 419 return 1;
a0c3fd5e
TT		 420 }
421 ext2fs_mark_super_dirty(fs);
0f5eba75
AD		 422
423 return 0;
a0c3fd5e
TT		 424}
425
62e0d34b 426static void check_fsck_needed(ext2_filsys fs, const char *prompt)
7178b571 427{
62e0d34b
DW		 428 /* Refuse to modify anything but a freshly checked valid filesystem. */
429 if (!(fs->super->s_state & EXT2_VALID_FS) ||
430 (fs->super->s_state & EXT2_ERROR_FS) ||
431 (fs->super->s_lastcheck < fs->super->s_mtime)) {
a120a5da
TT		 432 puts(_(fsck_explain));
433 puts(_(please_fsck));
62e0d34b
DW		 434 if (mount_flags & EXT2_MF_READONLY)
435 printf("%s", _("(and reboot afterwards!)\n"));
436 exit(1);
437 }
438
439 /* Give the admin a few seconds to bail out of a dangerous op. */
440 if (!getenv("TUNE2FS_FORCE_PROMPT") && (!isatty(0) || !isatty(1)))
441 return;
442
443 puts(prompt);
444 proceed_question(5);
7178b571
DW		 445}
446
761b76a4
DW		 447static void request_dir_fsck_afterwards(ext2_filsys fs)
448{
449 static int requested;
450
451 if (requested++)
452 return;
e2637655 453 fsck_requested++;
761b76a4 454 fs->super->s_state &= ~EXT2_VALID_FS;
a120a5da
TT		 455 puts(_(fsck_explain));
456 puts(_(please_dir_fsck));
761b76a4 457 if (mount_flags & EXT2_MF_READONLY)
bbccc6f3 458 printf("%s", _("(and reboot afterwards!)\n"));
761b76a4
DW		 459}
460
079ad63d
TT		 461static void request_fsck_afterwards(ext2_filsys fs)
462{
463 static int requested = 0;
464
465 if (requested++)
466 return;
e2637655 467 fsck_requested++;
079ad63d
TT		 468 fs->super->s_state &= ~EXT2_VALID_FS;
469 printf("\n%s\n", _(please_fsck));
470 if (mount_flags & EXT2_MF_READONLY)
45ff69ff 471 printf("%s", _("(and reboot afterwards!)\n"));
079ad63d
TT		 472}
473
e2637655
DW		 474static void convert_64bit(ext2_filsys fs, int direction)
475{
e2637655
DW		 476 /*
477 * Is resize2fs going to demand a fsck run? Might as well tell the
478 * user now.
479 */
480 if (!fsck_requested &&
481 ((fs->super->s_state & EXT2_ERROR_FS) ||
482 !(fs->super->s_state & EXT2_VALID_FS) ||
483 fs->super->s_lastcheck < fs->super->s_mtime))
484 request_fsck_afterwards(fs);
485 if (fsck_requested)
486 fprintf(stderr, _("After running e2fsck, please run `resize2fs %s %s"),
487 direction > 0 ? "-b" : "-s", fs->device_name);
488 else
489 fprintf(stderr, _("Please run `resize2fs %s %s"),
490 direction > 0 ? "-b" : "-s", fs->device_name);
491
f7d05594
DW		 492 if (undo_file)
493 fprintf(stderr, _(" -z \"%s\""), undo_file);
e2637655
DW		 494 if (direction > 0)
495 fprintf(stderr, _("' to enable 64-bit mode.\n"));
496 else
497 fprintf(stderr, _("' to disable 64-bit mode.\n"));
498}
499
761b76a4
DW		 500/*
501 * Rewrite directory blocks with checksums
502 */
503struct rewrite_dir_context {
504 char *buf;
505 errcode_t errcode;
506 ext2_ino_t dir;
507 int is_htree;
508};
509
510static int rewrite_dir_block(ext2_filsys fs,
511 blk64_t *blocknr,
4cf7a701 512 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
761b76a4
DW		 513 blk64_t ref_block EXT2FS_ATTR((unused)),
514 int ref_offset EXT2FS_ATTR((unused)),
515 void *priv_data)
516{
517 struct ext2_dx_countlimit *dcl = NULL;
518 struct rewrite_dir_context *ctx = priv_data;
519 int dcl_offset, changed = 0;
520
521 ctx->errcode = ext2fs_read_dir_block4(fs, *blocknr, ctx->buf, 0,
522 ctx->dir);
523 if (ctx->errcode)
524 return BLOCK_ABORT;
525
526 /* if htree node... */
527 if (ctx->is_htree)
528 ext2fs_get_dx_countlimit(fs, (struct ext2_dir_entry *)ctx->buf,
529 &dcl, &dcl_offset);
530 if (dcl) {
7889640d 531 if (!ext2fs_has_feature_metadata_csum(fs->super)) {
761b76a4
DW		 532 /* Ensure limit is the max size */
533 int max_entries = (fs->blocksize - dcl_offset) /
534 sizeof(struct ext2_dx_entry);
535 if (ext2fs_le16_to_cpu(dcl->limit) != max_entries) {
536 changed = 1;
537 dcl->limit = ext2fs_cpu_to_le16(max_entries);
538 }
539 } else {
540 /* If htree block is full then rebuild the dir */
541 if (ext2fs_le16_to_cpu(dcl->count) ==
542 ext2fs_le16_to_cpu(dcl->limit)) {
543 request_dir_fsck_afterwards(fs);
544 return 0;
545 }
546 /*
547 * Ensure dcl->limit is small enough to leave room for
548 * the checksum tail.
549 */
550 int max_entries = (fs->blocksize - (dcl_offset +
551 sizeof(struct ext2_dx_tail))) /
552 sizeof(struct ext2_dx_entry);
553 if (ext2fs_le16_to_cpu(dcl->limit) != max_entries)
554 dcl->limit = ext2fs_cpu_to_le16(max_entries);
555 /* Always rewrite checksum */
556 changed = 1;
557 }
558 } else {
559 unsigned int rec_len, name_size;
560 char *top = ctx->buf + fs->blocksize;
561 struct ext2_dir_entry *de = (struct ext2_dir_entry *)ctx->buf;
562 struct ext2_dir_entry *last_de = NULL, *penultimate_de = NULL;
563
564 /* Find last and penultimate dirent */
565 while ((char *)de < top) {
566 penultimate_de = last_de;
567 last_de = de;
568 ctx->errcode = ext2fs_get_rec_len(fs, de, &rec_len);
569 if (!ctx->errcode && !rec_len)
570 ctx->errcode = EXT2_ET_DIR_CORRUPTED;
571 if (ctx->errcode)
572 return BLOCK_ABORT;
4cf7a701 573 de = (struct ext2_dir_entry *)(((char *)de) + rec_len);
761b76a4
DW		 574 }
575 ctx->errcode = ext2fs_get_rec_len(fs, last_de, &rec_len);
576 if (ctx->errcode)
577 return BLOCK_ABORT;
70f4632b 578 name_size = ext2fs_dirent_name_len(last_de);
761b76a4 579
7889640d 580 if (!ext2fs_has_feature_metadata_csum(fs->super)) {
761b76a4
DW		 581 if (!penultimate_de)
582 return 0;
583 if (last_de->inode ||
584 name_size ||
585 rec_len != sizeof(struct ext2_dir_entry_tail))
586 return 0;
587 /*
588 * The last dirent is unused and the right length to
589 * have stored a checksum. Erase it.
590 */
591 ctx->errcode = ext2fs_get_rec_len(fs, penultimate_de,
592 &rec_len);
593 if (!rec_len)
594 ctx->errcode = EXT2_ET_DIR_CORRUPTED;
595 if (ctx->errcode)
596 return BLOCK_ABORT;
597 ext2fs_set_rec_len(fs, rec_len +
598 sizeof(struct ext2_dir_entry_tail),
599 penultimate_de);
600 changed = 1;
601 } else {
4cf7a701 602 unsigned csum_size = sizeof(struct ext2_dir_entry_tail);
761b76a4
DW		 603 struct ext2_dir_entry_tail *t;
604
605 /*
606 * If the last dirent looks like the tail, just update
607 * the checksum.
608 */
609 if (!last_de->inode &&
610 rec_len == csum_size) {
611 t = (struct ext2_dir_entry_tail *)last_de;
612 t->det_reserved_name_len =
613 EXT2_DIR_NAME_LEN_CSUM;
614 changed = 1;
615 goto out;
616 }
617 if (name_size & 3)
618 name_size = (name_size & ~3) + 4;
619 /* If there's not enough space for the tail, e2fsck */
620 if (rec_len <= (8 + name_size + csum_size)) {
621 request_dir_fsck_afterwards(fs);
622 return 0;
623 }
624 /* Shorten that last de and insert the tail */
625 ext2fs_set_rec_len(fs, rec_len - csum_size, last_de);
626 t = EXT2_DIRENT_TAIL(ctx->buf, fs->blocksize);
627 ext2fs_initialize_dirent_tail(fs, t);
628
629 /* Always update checksum */
630 changed = 1;
631 }
632 }
633
634out:
635 if (!changed)
636 return 0;
637
638 ctx->errcode = ext2fs_write_dir_block4(fs, *blocknr, ctx->buf,
639 0, ctx->dir);
640 if (ctx->errcode)
641 return BLOCK_ABORT;
642
643 return 0;
644}
645
4cf7a701
TT		 646static errcode_t rewrite_directory(ext2_filsys fs, ext2_ino_t dir,
647 struct ext2_inode *inode)
761b76a4
DW		 648{
649 errcode_t retval;
650 struct rewrite_dir_context ctx;
651
652 retval = ext2fs_get_mem(fs->blocksize, &ctx.buf);
653 if (retval)
654 return retval;
655
656 ctx.is_htree = (inode->i_flags & EXT2_INDEX_FL);
657 ctx.dir = dir;
658 ctx.errcode = 0;
659 retval = ext2fs_block_iterate3(fs, dir, BLOCK_FLAG_READ_ONLY |
660 BLOCK_FLAG_DATA_ONLY,
661 0, rewrite_dir_block, &ctx);
662
663 ext2fs_free_mem(&ctx.buf);
664 if (retval)
665 return retval;
666
667 return ctx.errcode;
668}
669
216d6b76
TE		 670/*
671 * Context information that does not change across rewrite_one_inode()
672 * invocations.
673 */
674struct rewrite_context {
675 ext2_filsys fs;
676 struct ext2_inode *zero_inode;
677 char *ea_buf;
678 int inode_size;
679};
680
681#define fatal_err(code, args...) \
682 do { \
683 com_err(__func__, code, args); \
684 exit(1); \
685 } while (0);
686
687static void update_ea_inode_hash(struct rewrite_context *ctx, ext2_ino_t ino,
688 struct ext2_inode *inode)
689{
690 errcode_t retval;
691 ext2_file_t file;
692 __u32 hash;
693
694 retval = ext2fs_file_open(ctx->fs, ino, 0, &file);
695 if (retval)
696 fatal_err(retval, "open ea_inode");
697 retval = ext2fs_file_read(file, ctx->ea_buf, inode->i_size,
698 NULL);
699 if (retval)
700 fatal_err(retval, "read ea_inode");
701 retval = ext2fs_file_close(file);
702 if (retval)
703 fatal_err(retval, "close ea_inode");
704
ac3256fd
TT		 705 hash = ext2fs_crc32c_le(ctx->fs->csum_seed,
706 (unsigned char *) ctx->ea_buf, inode->i_size);
216d6b76
TE		 707 ext2fs_set_ea_inode_hash(inode, hash);
708}
709
710static int update_xattr_entry_hashes(ext2_filsys fs,
711 struct ext2_ext_attr_entry *entry,
712 struct ext2_ext_attr_entry *end)
713{
714 int modified = 0;
715 errcode_t retval;
716
717 while (entry < end && !EXT2_EXT_IS_LAST_ENTRY(entry)) {
718 if (entry->e_value_inum) {
719 retval = ext2fs_ext_attr_hash_entry2(fs, entry, NULL,
720 &entry->e_hash);
721 if (retval)
722 fatal_err(retval, "hash ea_inode entry");
723 modified = 1;
724 }
725 entry = EXT2_EXT_ATTR_NEXT(entry);
726 }
727 return modified;
728}
729
730static void update_inline_xattr_hashes(struct rewrite_context *ctx,
731 struct ext2_inode_large *inode)
732{
733 struct ext2_ext_attr_entry *start, *end;
734 __u32 *ea_magic;
735
736 if (inode->i_extra_isize == 0)
737 return;
738
739 if (inode->i_extra_isize & 3 ||
740 inode->i_extra_isize > ctx->inode_size - EXT2_GOOD_OLD_INODE_SIZE)
741 fatal_err(EXT2_ET_INODE_CORRUPTED, "bad i_extra_isize")
742
743 ea_magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE +
744 inode->i_extra_isize);
745 if (*ea_magic != EXT2_EXT_ATTR_MAGIC)
746 return;
747
748 start = (struct ext2_ext_attr_entry *)(ea_magic + 1);
749 end = (struct ext2_ext_attr_entry *)((char *)inode + ctx->inode_size);
750
751 update_xattr_entry_hashes(ctx->fs, start, end);
752}
753
754static void update_block_xattr_hashes(struct rewrite_context *ctx,
ac3256fd 755 char *block_buf)
216d6b76
TE		 756{
757 struct ext2_ext_attr_header *header;
758 struct ext2_ext_attr_entry *start, *end;
759
760 header = (struct ext2_ext_attr_header *)block_buf;
761 if (header->h_magic != EXT2_EXT_ATTR_MAGIC)
762 return;
763
764 start = (struct ext2_ext_attr_entry *)(header+1);
765 end = (struct ext2_ext_attr_entry *)(block_buf + ctx->fs->blocksize);
766
767 if (update_xattr_entry_hashes(ctx->fs, start, end))
768 ext2fs_ext_attr_block_rehash(header, end);
769}
770
771static void rewrite_one_inode(struct rewrite_context *ctx, ext2_ino_t ino,
772 struct ext2_inode *inode)
773{
774 blk64_t file_acl_block;
775 errcode_t retval;
776
777 if (!ext2fs_test_inode_bitmap2(ctx->fs->inode_map, ino)) {
778 if (!memcmp(inode, ctx->zero_inode, ctx->inode_size))
779 return;
780 memset(inode, 0, ctx->inode_size);
781 }
782
783 if (inode->i_flags & EXT4_EA_INODE_FL)
784 update_ea_inode_hash(ctx, ino, inode);
785
786 if (ctx->inode_size != EXT2_GOOD_OLD_INODE_SIZE)
787 update_inline_xattr_hashes(ctx,
788 (struct ext2_inode_large *)inode);
789
790 retval = ext2fs_write_inode_full(ctx->fs, ino, inode, ctx->inode_size);
791 if (retval)
792 fatal_err(retval, "while writing inode");
793
ae9c0f36 794 retval = ext2fs_fix_extents_checksums(ctx->fs, ino, inode);
216d6b76
TE		 795 if (retval)
796 fatal_err(retval, "while rewriting extents");
797
798 if (LINUX_S_ISDIR(inode->i_mode) &&
799 ext2fs_inode_has_valid_blocks2(ctx->fs, inode)) {
800 retval = rewrite_directory(ctx->fs, ino, inode);
801 if (retval)
802 fatal_err(retval, "while rewriting directories");
803 }
804
805 file_acl_block = ext2fs_file_acl_block(ctx->fs, inode);
806 if (!file_acl_block)
807 return;
808
809 retval = ext2fs_read_ext_attr3(ctx->fs, file_acl_block, ctx->ea_buf,
810 ino);
811 if (retval)
812 fatal_err(retval, "while rewriting extended attribute");
813
814 update_block_xattr_hashes(ctx, ctx->ea_buf);
815 retval = ext2fs_write_ext_attr3(ctx->fs, file_acl_block, ctx->ea_buf,
816 ino);
817 if (retval)
818 fatal_err(retval, "while rewriting extended attribute");
819}
820
7178b571
DW		 821/*
822 * Forcibly set checksums in all inodes.
823 */
824static void rewrite_inodes(ext2_filsys fs)
825{
7178b571
DW		 826 ext2_inode_scan scan;
827 errcode_t retval;
828 ext2_ino_t ino;
216d6b76
TE		 829 struct ext2_inode *inode;
830 int pass;
831 struct rewrite_context ctx = {
832 .fs = fs,
833 .inode_size = EXT2_INODE_SIZE(fs->super),
834 };
7178b571 835
81f965a0 836 if (fs->super->s_creator_os == EXT2_OS_HURD)
7178b571
DW		 837 return;
838
216d6b76
TE		 839 retval = ext2fs_get_mem(ctx.inode_size, &inode);
840 if (retval)
841 fatal_err(retval, "while allocating memory");
fa58fa53 842
216d6b76
TE		 843 retval = ext2fs_get_memzero(ctx.inode_size, &ctx.zero_inode);
844 if (retval)
845 fatal_err(retval, "while allocating memory");
fa0ecf18 846
216d6b76
TE		 847 retval = ext2fs_get_mem(64 * 1024, &ctx.ea_buf);
848 if (retval)
849 fatal_err(retval, "while allocating memory");
7178b571 850
216d6b76
TE		 851 /*
852 * Extended attribute inodes have a lookup hash that needs to be
853 * recalculated with the new csum_seed. Other inodes referencing xattr
854 * inodes need this value to be up to date. That's why we do two passes:
855 *
856 * pass 1: update xattr inodes to update their lookup hash as well as
857 * other checksums.
858 *
859 * pass 2: go over other inodes to update their checksums.
860 */
861 if (ext2fs_has_feature_ea_inode(fs->super))
862 pass = 1;
863 else
864 pass = 2;
865 for (;pass <= 2; pass++) {
866 retval = ext2fs_open_inode_scan(fs, 0, &scan);
867 if (retval)
868 fatal_err(retval, "while opening inode scan");
7cf0485d 869
216d6b76
TE		 870 do {
871 retval = ext2fs_get_next_inode_full(scan, &ino, inode,
872 ctx.inode_size);
873 if (retval)
874 fatal_err(retval, "while getting next inode");
875 if (!ino)
876 break;
761b76a4 877
20ad2d05
AD		 878 if (((pass == 1) &&
879 (inode->i_flags & EXT4_EA_INODE_FL)) ||
880 ((pass == 2) &&
881 !(inode->i_flags & EXT4_EA_INODE_FL)))
216d6b76
TE		 882 rewrite_one_inode(&ctx, ino, inode);
883 } while (ino);
fa0ecf18 884
216d6b76
TE		 885 ext2fs_close_inode_scan(scan);
886 }
7178b571 887
216d6b76
TE		 888 ext2fs_free_mem(&ctx.zero_inode);
889 ext2fs_free_mem(&ctx.ea_buf);
7178b571 890 ext2fs_free_mem(&inode);
7178b571
DW		 891}
892
893static void rewrite_metadata_checksums(ext2_filsys fs)
894{
abbf95c7 895 errcode_t retval;
581ecb6d 896 dgrp_t i;
9d25f643 897
7178b571
DW		 898 fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
899 ext2fs_init_csum_seed(fs);
9d25f643
DW		 900 for (i = 0; i < fs->group_desc_count; i++)
901 ext2fs_group_desc_csum_set(fs, i);
abbf95c7 902 retval = ext2fs_read_bitmaps(fs);
216d6b76
TE		 903 if (retval)
904 fatal_err(retval, "while reading bitmaps");
fa58fa53 905 rewrite_inodes(fs);
9038bdb3 906 ext2fs_mark_ib_dirty(fs);
544058f2 907 ext2fs_mark_bb_dirty(fs);
ef1232b4 908 ext2fs_mmp_update2(fs, 1);
9038bdb3 909 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
7178b571 910 fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
7889640d 911 if (ext2fs_has_feature_metadata_csum(fs->super))
022c81aa
DW		 912 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
913 else
914 fs->super->s_checksum_type = 0;
915 ext2fs_mark_super_dirty(fs);
7178b571
DW		 916}
917
9d25f643
DW		 918static void enable_uninit_bg(ext2_filsys fs)
919{
920 struct ext2_group_desc *gd;
581ecb6d 921 dgrp_t i;
9d25f643
DW		 922
923 for (i = 0; i < fs->group_desc_count; i++) {
924 gd = ext2fs_group_desc(fs, fs->group_desc, i);
925 gd->bg_itable_unused = 0;
926 gd->bg_flags = EXT2_BG_INODE_ZEROED;
927 ext2fs_group_desc_csum_set(fs, i);
928 }
929 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
930}
931
fa58fa53
DW		 932static errcode_t zero_empty_inodes(ext2_filsys fs)
933{
934 int length = EXT2_INODE_SIZE(fs->super);
c4c9bc59 935 struct ext2_inode *inode = NULL;
fa58fa53
DW		 936 ext2_inode_scan scan;
937 errcode_t retval;
938 ext2_ino_t ino;
939
940 retval = ext2fs_open_inode_scan(fs, 0, &scan);
941 if (retval)
942 goto out;
943
944 retval = ext2fs_get_mem(length, &inode);
945 if (retval)
946 goto out;
947
948 do {
949 retval = ext2fs_get_next_inode_full(scan, &ino, inode, length);
950 if (retval)
951 goto out;
952 if (!ino)
953 break;
954 if (!ext2fs_test_inode_bitmap2(fs->inode_map, ino)) {
955 memset(inode, 0, length);
956 retval = ext2fs_write_inode_full(fs, ino, inode,
957 length);
958 if (retval)
959 goto out;
960 }
961 } while (1);
962
963out:
964 ext2fs_free_mem(&inode);
965 ext2fs_close_inode_scan(scan);
966 return retval;
967}
968
3f4c4079 969static errcode_t disable_uninit_bg(ext2_filsys fs, __u32 csum_feature_flag)
9d25f643
DW		 970{
971 struct ext2_group_desc *gd;
581ecb6d 972 dgrp_t i;
fa58fa53
DW		 973 errcode_t retval;
974 blk64_t b, c, d;
9d25f643
DW		 975
976 /* Load bitmaps to ensure that the uninit ones get written out */
977 fs->super->s_feature_ro_compat |= csum_feature_flag;
abbf95c7 978 retval = ext2fs_read_bitmaps(fs);
3f4c4079 979 fs->super->s_feature_ro_compat &= ~csum_feature_flag;
abbf95c7
TT		 980 if (retval) {
981 com_err("disable_uninit_bg", retval,
982 "while reading bitmaps");
3f4c4079
DW		 983 request_fsck_afterwards(fs);
984 return retval;
abbf95c7 985 }
9d25f643
DW		 986 ext2fs_mark_ib_dirty(fs);
987 ext2fs_mark_bb_dirty(fs);
9d25f643 988
fa58fa53
DW		 989 /* If we're only turning off uninit_bg, zero the inodes */
990 if (csum_feature_flag == EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
991 retval = zero_empty_inodes(fs);
992 if (retval) {
993 com_err("disable_uninit_bg", retval,
994 "while zeroing unused inodes");
995 request_fsck_afterwards(fs);
3f4c4079 996 return retval;
fa58fa53
DW		 997 }
998 }
999
1000 /* The bbitmap is zeroed; we must mark group metadata blocks in use */
9d25f643 1001 for (i = 0; i < fs->group_desc_count; i++) {
fa58fa53 1002 b = ext2fs_block_bitmap_loc(fs, i);
45e9ccdb 1003 ext2fs_mark_block_bitmap2(fs->block_map, b);
fa58fa53 1004 b = ext2fs_inode_bitmap_loc(fs, i);
45e9ccdb 1005 ext2fs_mark_block_bitmap2(fs->block_map, b);
fa58fa53
DW		 1006
1007 retval = ext2fs_super_and_bgd_loc2(fs, i, &b, &c, &d, NULL);
1008 if (retval == 0 && b)
45e9ccdb 1009 ext2fs_mark_block_bitmap2(fs->block_map, b);
fa58fa53 1010 if (retval == 0 && c)
45e9ccdb 1011 ext2fs_mark_block_bitmap2(fs->block_map, c);
fa58fa53 1012 if (retval == 0 && d)
45e9ccdb 1013 ext2fs_mark_block_bitmap2(fs->block_map, d);
fa58fa53
DW		 1014 if (retval) {
1015 com_err("disable_uninit_bg", retval,
1016 "while initializing block bitmaps");
9d25f643 1017 request_fsck_afterwards(fs);
9d25f643 1018 }
fa58fa53
DW		 1019
1020 gd = ext2fs_group_desc(fs, fs->group_desc, i);
9d25f643
DW		 1021 gd->bg_itable_unused = 0;
1022 gd->bg_flags = 0;
1023 ext2fs_group_desc_csum_set(fs, i);
1024 }
1025 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
fa58fa53 1026 ext2fs_mark_super_dirty(fs);
3f4c4079
DW		 1027
1028 return 0;
9d25f643
DW		 1029}
1030
2be9cd86
DW		 1031static void
1032try_confirm_csum_seed_support(void)
1033{
1034 if (access("/sys/fs/ext4/features/metadata_csum_seed", R_OK))
1035 fputs(_("WARNING: Could not confirm kernel support for "
1036 "metadata_csum_seed.\n This requires Linux >= "
1037 "v4.4.\n"), stderr);
1038}
1039
63985320
TT		 1040/*
1041 * Update the feature set as provided by the user.
1042 */
0f5eba75 1043static int update_feature_set(ext2_filsys fs, char *features)
63985320 1044{
ec43da2f 1045 struct ext2_super_block *sb = fs->super;
885bf6b8 1046 __u32 old_features[3];
1b8c4c1b 1047 int type_err;
7c4a2ef5 1048 unsigned int mask_err;
3f4c4079 1049 errcode_t err;
2d2d799c 1050 enum quota_type qtype;
2eb3b20e 1051
885bf6b8
TT		 1052#define FEATURE_ON(type, mask) (!(old_features[(type)] & (mask)) && \
1053 ((&sb->s_feature_compat)[(type)] & (mask)))
1054#define FEATURE_OFF(type, mask) ((old_features[(type)] & (mask)) && \
1055 !((&sb->s_feature_compat)[(type)] & (mask)))
1056#define FEATURE_CHANGED(type, mask) ((mask) & \
1057 (old_features[(type)] ^ (&sb->s_feature_compat)[(type)]))
1058
1059 old_features[E2P_FEATURE_COMPAT] = sb->s_feature_compat;
1060 old_features[E2P_FEATURE_INCOMPAT] = sb->s_feature_incompat;
1061 old_features[E2P_FEATURE_RO_INCOMPAT] = sb->s_feature_ro_compat;
1062
7c4a2ef5
TT		 1063 if (e2p_edit_feature2(features, &sb->s_feature_compat,
1064 ok_features, clear_ok_features,
1065 &type_err, &mask_err)) {
1066 if (!mask_err)
1067 fprintf(stderr,
1068 _("Invalid filesystem option set: %s\n"),
1069 features);
1070 else if (type_err & E2P_FEATURE_NEGATE_FLAG)
1071 fprintf(stderr, _("Clearing filesystem feature '%s' "
1072 "not supported.\n"),
1073 e2p_feature2string(type_err &
1074 E2P_FEATURE_TYPE_MASK,
1075 mask_err));
1076 else
1077 fprintf(stderr, _("Setting filesystem feature '%s' "
1078 "not supported.\n"),
1079 e2p_feature2string(type_err, mask_err));
0f5eba75 1080 return 1;
63985320 1081 }
885bf6b8
TT		 1082
1083 if (FEATURE_OFF(E2P_FEATURE_COMPAT, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
63985320
TT		 1084 if ((mount_flags & EXT2_MF_MOUNTED) &&
1085 !(mount_flags & EXT2_MF_READONLY)) {
2be8fe43 1086 fputs(_("The has_journal feature may only be "
54434927
TT		 1087 "cleared when the filesystem is\n"
1088 "unmounted or mounted "
1089 "read-only.\n"), stderr);
0f5eba75 1090 return 1;
63985320 1091 }
7889640d 1092 if (ext2fs_has_feature_journal_needs_recovery(sb) &&
5fe2bd60 1093 f_flag < 2) {
54434927
TT		 1094 fputs(_("The needs_recovery flag is set. "
1095 "Please run e2fsck before clearing\n"
1096 "the has_journal flag.\n"), stderr);
0f5eba75 1097 return 1;
63985320 1098 }
63985320 1099 if (sb->s_journal_inum) {
0f5eba75
AD		 1100 if (remove_journal_inode(fs))
1101 return 1;
63985320 1102 }
de49f015 1103 if (sb->s_journal_dev) {
0f5eba75
AD		 1104 if (remove_journal_device(fs))
1105 return 1;
de49f015 1106 }
63985320 1107 }
9e7294d3
AF		 1108
1109 if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
1110 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
7889640d 1111 if (ext2fs_has_feature_meta_bg(sb)) {
9e7294d3
AF		 1112 fputs(_("Setting filesystem feature 'sparse_super' "
1113 "not supported\nfor filesystems with "
1114 "the meta_bg feature enabled.\n"),
1115 stderr);
1116 return 1;
1117 }
1118 }
1119
0f5eba75
AD		 1120 if (FEATURE_ON(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_MMP)) {
1121 int error;
1122
1123 if ((mount_flags & EXT2_MF_MOUNTED) ||
1124 (mount_flags & EXT2_MF_READONLY)) {
1125 fputs(_("The multiple mount protection feature can't\n"
1126 "be set if the filesystem is mounted or\n"
1127 "read-only.\n"), stderr);
1128 return 1;
1129 }
1130
1131 error = ext2fs_mmp_init(fs);
1132 if (error) {
1133 fputs(_("\nError while enabling multiple mount "
1134 "protection feature."), stderr);
1135 return 1;
1136 }
1137
1138 /*
1139 * We want to update group desc with the new free blocks count
1140 */
1141 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
1142
1143 printf(_("Multiple mount protection has been enabled "
1144 "with update interval %ds.\n"),
1145 sb->s_mmp_update_interval);
1146 }
1147
1148 if (FEATURE_OFF(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_MMP)) {
1149 int error;
1150
1151 if (mount_flags & EXT2_MF_READONLY) {
1152 fputs(_("The multiple mount protection feature cannot\n"
1153 "be disabled if the filesystem is readonly.\n"),
1154 stderr);
1155 return 1;
1156 }
1157
1158 error = ext2fs_read_bitmaps(fs);
1159 if (error) {
1160 fputs(_("Error while reading bitmaps\n"), stderr);
1161 return 1;
1162 }
1163
1164 error = ext2fs_mmp_read(fs, sb->s_mmp_block, NULL);
1165 if (error) {
1166 struct mmp_struct *mmp_cmp = fs->mmp_cmp;
1167
1168 if (error == EXT2_ET_MMP_MAGIC_INVALID)
1169 printf(_("Magic number in MMP block does not "
1170 "match. expected: %x, actual: %x\n"),
1171 EXT4_MMP_MAGIC, mmp_cmp->mmp_magic);
1172 else
45ff69ff 1173 com_err(program_name, error, "%s",
0f5eba75
AD		 1174 _("while reading MMP block."));
1175 goto mmp_error;
1176 }
1177
1178 /* We need to force out the group descriptors as well */
1179 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
4dbfd79d 1180 ext2fs_block_alloc_stats2(fs, sb->s_mmp_block, -1);
0f5eba75
AD		 1181mmp_error:
1182 sb->s_mmp_block = 0;
1183 sb->s_mmp_update_interval = 0;
1184 }
885bf6b8
TT		 1185
1186 if (FEATURE_ON(E2P_FEATURE_COMPAT, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
63985320
TT		 1187 /*
1188 * If adding a journal flag, let the create journal
7a0516a3
BS		 1189 * code below handle setting the flag and creating the
1190 * journal. We supply a default size if necessary.
63985320 1191 */
dc2ec525
TT		 1192 if (!journal_size)
1193 journal_size = -1;
7889640d 1194 ext2fs_clear_feature_journal(sb);
63985320 1195 }
885bf6b8
TT		 1196
1197 if (FEATURE_ON(E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_DIR_INDEX)) {
843049c4 1198 if (!sb->s_def_hash_version)
d1070d91 1199 sb->s_def_hash_version = EXT2_HASH_HALF_MD4;
843049c4
TT		 1200 if (uuid_is_null((unsigned char *) sb->s_hash_seed))
1201 uuid_generate((unsigned char *) sb->s_hash_seed);
1202 }
dc2ec525 1203
a49670e6 1204 if (FEATURE_OFF(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
c2d4300b
JS		 1205 if (ext2fs_check_desc(fs)) {
1206 fputs(_("Clearing the flex_bg flag would "
1207 "cause the the filesystem to be\n"
1208 "inconsistent.\n"), stderr);
0f5eba75 1209 return 1;
c2d4300b
JS		 1210 }
1211 }
dc2ec525 1212
2be8fe43
TT		 1213 if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1214 EXT4_FEATURE_RO_COMPAT_HUGE_FILE)) {
1215 if ((mount_flags & EXT2_MF_MOUNTED) &&
1216 !(mount_flags & EXT2_MF_READONLY)) {
1217 fputs(_("The huge_file feature may only be "
1218 "cleared when the filesystem is\n"
1219 "unmounted or mounted "
1220 "read-only.\n"), stderr);
0f5eba75 1221 return 1;
2be8fe43
TT		 1222 }
1223 }
1224
7178b571
DW		 1225 if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
1226 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
62e0d34b
DW		 1227 check_fsck_needed(fs,
1228 _("Enabling checksums could take some time."));
f2a96b6e 1229 if (mount_flags & EXT2_MF_MOUNTED) {
a4b52869
DW		 1230 fputs(_("Cannot enable metadata_csum on a mounted "
1231 "filesystem!\n"), stderr);
f2a96b6e
DW		 1232 exit(1);
1233 }
7889640d 1234 if (!ext2fs_has_feature_extents(fs->super))
a742a128
DW		 1235 printf("%s",
1236 _("Extents are not enabled. The file extent "
1237 "tree can be checksummed, whereas block maps "
1238 "cannot. Not enabling extents reduces the "
1239 "coverage of metadata checksumming. "
1240 "Re-run with -O extent to rectify.\n"));
7889640d 1241 if (!ext2fs_has_feature_64bit(fs->super))
fe12931f
DW		 1242 printf("%s",
1243 _("64-bit filesystem support is not enabled. "
1244 "The larger fields afforded by this feature "
1245 "enable full-strength checksumming. "
1246 "Run resize2fs -b to rectify.\n"));
7178b571 1247 rewrite_checksums = 1;
9d25f643 1248 /* metadata_csum supersedes uninit_bg */
7889640d 1249 ext2fs_clear_feature_gdt_csum(fs->super);
9d25f643
DW		 1250
1251 /* if uninit_bg was previously off, rewrite group desc */
1252 if (!(old_features[E2P_FEATURE_RO_INCOMPAT] &
1253 EXT4_FEATURE_RO_COMPAT_GDT_CSUM))
1254 enable_uninit_bg(fs);
1255
1256 /*
1257 * Since metadata_csum supersedes uninit_bg, pretend like
1258 * uninit_bg has been off all along.
1259 */
1260 old_features[E2P_FEATURE_RO_INCOMPAT] &=
1261 ~EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
7178b571
DW		 1262 }
1263
1264 if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1265 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
052795e6
DW		 1266 __u32 test_features[3];
1267
62e0d34b
DW		 1268 check_fsck_needed(fs,
1269 _("Disabling checksums could take some time."));
f2a96b6e 1270 if (mount_flags & EXT2_MF_MOUNTED) {
a4b52869
DW		 1271 fputs(_("Cannot disable metadata_csum on a mounted "
1272 "filesystem!\n"), stderr);
f2a96b6e
DW		 1273 exit(1);
1274 }
7178b571 1275 rewrite_checksums = 1;
052795e6
DW		 1276
1277 /* Enable uninit_bg unless the user expressly turned it off */
1278 memcpy(test_features, old_features, sizeof(test_features));
1279 test_features[E2P_FEATURE_RO_INCOMPAT] |=
1280 EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
1281 e2p_edit_feature2(features, test_features, ok_features,
1282 clear_ok_features, NULL, NULL);
1283 if (test_features[E2P_FEATURE_RO_INCOMPAT] &
1284 EXT4_FEATURE_RO_COMPAT_GDT_CSUM)
7889640d 1285 ext2fs_set_feature_gdt_csum(fs->super);
052795e6 1286
9d25f643
DW		 1287 /*
1288 * If we're turning off metadata_csum and not turning on
1289 * uninit_bg, rewrite group desc.
1290 */
7889640d 1291 if (!ext2fs_has_feature_gdt_csum(fs->super)) {
3f4c4079
DW		 1292 err = disable_uninit_bg(fs,
1293 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
1294 if (err)
1295 return 1;
1296 } else
9d25f643
DW		 1297 /*
1298 * metadata_csum previously provided uninit_bg, so if
1299 * we're also setting the uninit_bg feature bit,
1300 * pretend like it was previously enabled. Checksums
1301 * will be rewritten with crc16 later.
1302 */
1303 old_features[E2P_FEATURE_RO_INCOMPAT] |=
1304 EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
2be9cd86
DW		 1305 fs->super->s_checksum_seed = 0;
1306 ext2fs_clear_feature_csum_seed(fs->super);
7178b571
DW		 1307 }
1308
079ad63d
TT		 1309 if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
1310 EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
9d25f643 1311 /* Do not enable uninit_bg when metadata_csum enabled */
7889640d
DW		 1312 if (ext2fs_has_feature_metadata_csum(fs->super))
1313 ext2fs_clear_feature_gdt_csum(fs->super);
9d25f643
DW		 1314 else
1315 enable_uninit_bg(fs);
079ad63d
TT		 1316 }
1317
1318 if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
3f4c4079
DW		 1319 EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
1320 err = disable_uninit_bg(fs,
9d25f643 1321 EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
3f4c4079
DW		 1322 if (err)
1323 return 1;
1324 }
079ad63d 1325
e2637655
DW		 1326 /*
1327 * We don't actually toggle 64bit; resize2fs does that. But this
1328 * must come after the metadata_csum feature_on so that it won't
1329 * complain about the lack of 64bit.
1330 */
1331 if (FEATURE_ON(E2P_FEATURE_INCOMPAT,
1332 EXT4_FEATURE_INCOMPAT_64BIT)) {
1333 if (mount_flags & EXT2_MF_MOUNTED) {
1334 fprintf(stderr, _("Cannot enable 64-bit mode "
1335 "while mounted!\n"));
1336 exit(1);
1337 }
7889640d 1338 ext2fs_clear_feature_64bit(sb);
e2637655
DW		 1339 feature_64bit = 1;
1340 }
1341 if (FEATURE_OFF(E2P_FEATURE_INCOMPAT,
1342 EXT4_FEATURE_INCOMPAT_64BIT)) {
1343 if (mount_flags & EXT2_MF_MOUNTED) {
1344 fprintf(stderr, _("Cannot disable 64-bit mode "
1345 "while mounted!\n"));
1346 exit(1);
1347 }
7889640d 1348 ext2fs_set_feature_64bit(sb);
e2637655
DW		 1349 feature_64bit = -1;
1350 }
1351
771e8db9
AK		 1352 if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
1353 EXT4_FEATURE_RO_COMPAT_QUOTA)) {
1354 /*
1355 * Set the Q_flag here and handle the quota options in the code
1356 * below.
1357 */
1358 if (!Q_flag) {
1359 Q_flag = 1;
080e09b4
LX		 1360 /* Enable usr/grp quota by default */
1361 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
1362 if (qtype != PRJQUOTA)
1363 quota_enable[qtype] = QOPT_ENABLE;
1364 else
1365 quota_enable[qtype] = QOPT_DISABLE;
1366 }
771e8db9 1367 }
7889640d 1368 ext2fs_clear_feature_quota(sb);
771e8db9
AK		 1369 }
1370
080e09b4 1371 if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
245831ad 1372 EXT4_FEATURE_RO_COMPAT_PROJECT)) {
96675041
TT		 1373 if (fs->super->s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
1374 fprintf(stderr, _("Cannot enable project feature; "
1375 "inode size too small.\n"));
1376 exit(1);
1377 }
080e09b4
LX		 1378 Q_flag = 1;
1379 quota_enable[PRJQUOTA] = QOPT_ENABLE;
1380 }
1381
245831ad
W		 1382 if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1383 EXT4_FEATURE_RO_COMPAT_PROJECT)) {
1384 Q_flag = 1;
1385 quota_enable[PRJQUOTA] = QOPT_DISABLE;
1386 }
1387
771e8db9
AK		 1388 if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1389 EXT4_FEATURE_RO_COMPAT_QUOTA)) {
1390 /*
1391 * Set the Q_flag here and handle the quota options in the code
1392 * below.
1393 */
1394 if (Q_flag)
1395 fputs(_("\nWarning: '^quota' option overrides '-Q'"
1396 "arguments.\n"), stderr);
1397 Q_flag = 1;
2d2d799c
LX		 1398 /* Disable all quota by default */
1399 for (qtype = 0; qtype < MAXQUOTAS; qtype++)
1400 quota_enable[qtype] = QOPT_DISABLE;
771e8db9
AK		 1401 }
1402
654531df 1403 if (FEATURE_ON(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_ENCRYPT)) {
8f25f1b5
GKB		 1404 if (ext2fs_has_feature_fname_encoding(sb)) {
1405 fputs(_("Cannot enable encrypt feature on filesystems "
1406 "with the encoding feature enabled.\n"),
1407 stderr);
1408 return 1;
1409 }
654531df
TT		 1410 fs->super->s_encrypt_algos[0] =
1411 EXT4_ENCRYPTION_MODE_AES_256_XTS;
1412 fs->super->s_encrypt_algos[1] =
1413 EXT4_ENCRYPTION_MODE_AES_256_CTS;
1414 }
1415
2be9cd86
DW		 1416 if (FEATURE_ON(E2P_FEATURE_INCOMPAT,
1417 EXT4_FEATURE_INCOMPAT_CSUM_SEED)) {
1418 if (!ext2fs_has_feature_metadata_csum(sb)) {
1419 fputs(_("Setting feature 'metadata_csum_seed' "
1420 "is only supported\non filesystems with "
1421 "the metadata_csum feature enabled.\n"),
1422 stderr);
1423 return 1;
1424 }
1425 try_confirm_csum_seed_support();
1426 fs->super->s_checksum_seed = fs->csum_seed;
1427 }
1428
1429 if (FEATURE_OFF(E2P_FEATURE_INCOMPAT,
1430 EXT4_FEATURE_INCOMPAT_CSUM_SEED)) {
1431 __le32 uuid_seed;
1432
1433 uuid_seed = ext2fs_crc32c_le(~0, fs->super->s_uuid,
1434 sizeof(fs->super->s_uuid));
1dc5c392
TT		 1435 if (fs->super->s_checksum_seed != uuid_seed) {
1436 if (mount_flags & (EXT2_MF_BUSY|EXT2_MF_MOUNTED)) {
1437 fputs(_("UUID has changed since enabling "
1438 "metadata_csum. Filesystem must be unmounted "
1439 "\nto safely rewrite all metadata to match the new UUID.\n"),
1440 stderr);
1441 return 1;
1442 }
1443 check_fsck_needed(fs, _("Recalculating checksums "
1444 "could take some time."));
1445 rewrite_checksums = 1;
2be9cd86 1446 }
2be9cd86
DW		 1447 }
1448
63985320
TT		 1449 if (sb->s_rev_level == EXT2_GOOD_OLD_REV &&
1450 (sb->s_feature_compat || sb->s_feature_ro_compat ||
1451 sb->s_feature_incompat))
1452 ext2fs_update_dynamic_rev(fs);
885bf6b8
TT		 1453
1454 if (FEATURE_CHANGED(E2P_FEATURE_RO_INCOMPAT,
1455 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER) ||
2be8fe43
TT		 1456 FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1457 EXT4_FEATURE_RO_COMPAT_HUGE_FILE) ||
885bf6b8 1458 FEATURE_CHANGED(E2P_FEATURE_INCOMPAT,
037914e2
TT		 1459 EXT2_FEATURE_INCOMPAT_FILETYPE) ||
1460 FEATURE_CHANGED(E2P_FEATURE_COMPAT,
558df544
TT		 1461 EXT2_FEATURE_COMPAT_RESIZE_INODE) ||
1462 FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
079ad63d
TT		 1463 EXT2_FEATURE_RO_COMPAT_LARGE_FILE))
1464 request_fsck_afterwards(fs);
885bf6b8
TT		 1465
1466 if ((old_features[E2P_FEATURE_COMPAT] != sb->s_feature_compat) ||
1467 (old_features[E2P_FEATURE_INCOMPAT] != sb->s_feature_incompat) ||
1468 (old_features[E2P_FEATURE_RO_INCOMPAT] != sb->s_feature_ro_compat))
2eb3b20e 1469 ext2fs_mark_super_dirty(fs);
0f5eba75
AD		 1470
1471 return 0;
63985320
TT		 1472}
1473
1474/*
1475 * Add a journal to the filesystem.
1476 */
0f5eba75 1477static int add_journal(ext2_filsys fs)
63985320
TT		 1478{
1479 unsigned long journal_blocks;
1480 errcode_t retval;
16ed5b3a 1481 ext2_filsys jfs;
2a29f135 1482 io_manager io_ptr;
63985320 1483
7889640d 1484 if (ext2fs_has_feature_journal(fs->super)) {
54434927 1485 fputs(_("The filesystem already has a journal.\n"), stderr);
2d15576d 1486 goto err;
63985320 1487 }
63985320 1488 if (journal_device) {
d69f43f5
TT		 1489 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
1490 NULL))
f83f4132 1491 proceed_question(-1);
63985320 1492 check_mount(journal_device, 0, _("journal"));
2a29f135 1493#ifdef CONFIG_TESTIO_DEBUG
f38cf3cb
TT		 1494 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1495 io_ptr = test_io_manager;
1496 test_io_backing_manager = unix_io_manager;
1497 } else
2a29f135 1498#endif
f38cf3cb 1499 io_ptr = unix_io_manager;
16ed5b3a
TT		 1500 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
1501 EXT2_FLAG_JOURNAL_DEV_OK, 0,
2a29f135 1502 fs->blocksize, io_ptr, &jfs);
16ed5b3a
TT		 1503 if (retval) {
1504 com_err(program_name, retval,
1d08d9bf 1505 _("\n\twhile trying to open journal on %s\n"),
16ed5b3a 1506 journal_device);
2d15576d 1507 goto err;
16ed5b3a 1508 }
63985320
TT		 1509 printf(_("Creating journal on device %s: "),
1510 journal_device);
4055ef73 1511 fflush(stdout);
2d15576d 1512
16ed5b3a 1513 retval = ext2fs_add_journal_device(fs, jfs);
47fee2ef 1514 ext2fs_close_free(&jfs);
63985320 1515 if (retval) {
ec43da2f
TT		 1516 com_err(program_name, retval,
1517 _("while adding filesystem to journal on %s"),
1518 journal_device);
2d15576d 1519 goto err;
63985320 1520 }
54434927 1521 fputs(_("done\n"), stdout);
63985320 1522 } else if (journal_size) {
54434927 1523 fputs(_("Creating journal inode: "), stdout);
63985320 1524 fflush(stdout);
2537b6d0
TT		 1525 journal_blocks = figure_journal_size(journal_size, fs);
1526
b818205f
TT		 1527 if (journal_location_string)
1528 journal_location =
1529 parse_num_blocks2(journal_location_string,
1530 fs->super->s_log_block_size);
1531 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
1532 journal_location,
1533 journal_flags);
63985320 1534 if (retval) {
7141b54b 1535 fprintf(stderr, "\n");
45ff69ff 1536 com_err(program_name, retval, "%s",
1d08d9bf 1537 _("\n\twhile trying to create journal file"));
0f5eba75 1538 return retval;
1d08d9bf 1539 } else
54434927 1540 fputs(_("done\n"), stdout);
63985320
TT		 1541 /*
1542 * If the filesystem wasn't mounted, we need to force
1543 * the block group descriptors out.
1544 */
1545 if ((mount_flags & EXT2_MF_MOUNTED) == 0)
1546 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
1547 }
faa2dcda
LC		 1548 print_check_message(fs->super->s_max_mnt_count,
1549 fs->super->s_checkinterval);
0f5eba75 1550 return 0;
2d15576d
AD		 1551
1552err:
45e338f5 1553 free(journal_device);
0f5eba75 1554 return 1;
63985320
TT		 1555}
1556
577c773a 1557static void handle_quota_options(ext2_filsys fs)
771e8db9 1558{
a701823a 1559 errcode_t retval;
771e8db9 1560 quota_ctx_t qctx;
771e8db9 1561 ext2_ino_t qf_ino;
2d2d799c 1562 enum quota_type qtype;
5f82cc95 1563 unsigned int qtype_bits = 0;
245831ad 1564 int need_dirty = 0;
771e8db9 1565
2d2d799c
LX		 1566 for (qtype = 0 ; qtype < MAXQUOTAS; qtype++)
1567 if (quota_enable[qtype] != 0)
1568 break;
1569 if (qtype == MAXQUOTAS)
771e8db9
AK		 1570 /* Nothing to do. */
1571 return;
1572
96675041
TT		 1573 if (quota_enable[PRJQUOTA] == QOPT_ENABLE &&
1574 fs->super->s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
1575 fprintf(stderr, _("Cannot enable project quota; "
1576 "inode size too small.\n"));
1577 exit(1);
1578 }
1579
5f82cc95
EW		 1580 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
1581 if (quota_enable[qtype] == QOPT_ENABLE)
1582 qtype_bits |= 1 << qtype;
1583 }
1584
1585 retval = quota_init_context(&qctx, fs, qtype_bits);
a701823a
TT		 1586 if (retval) {
1587 com_err(program_name, retval,
1588 _("while initializing quota context in support library"));
1589 exit(1);
1590 }
5f82cc95
EW		 1591
1592 if (qtype_bits)
2d2d799c 1593 quota_compute_usage(qctx);
771e8db9 1594
2d2d799c
LX		 1595 for (qtype = 0 ; qtype < MAXQUOTAS; qtype++) {
1596 if (quota_enable[qtype] == QOPT_ENABLE &&
1597 *quota_sb_inump(fs->super, qtype) == 0) {
a701823a
TT		 1598 if ((qf_ino = quota_file_exists(fs, qtype)) > 0) {
1599 retval = quota_update_limits(qctx, qf_ino,
1600 qtype);
1601 if (retval) {
1602 com_err(program_name, retval,
1603 _("while updating quota limits (%d)"),
1604 qtype);
1605 exit(1);
1606 }
1607 }
1608 retval = quota_write_inode(qctx, 1 << qtype);
1609 if (retval) {
1610 com_err(program_name, retval,
1611 _("while writing quota file (%d)"),
1612 qtype);
1613 exit(1);
1614 }
245831ad
W		 1615 /* Enable Quota feature if one of quota enabled */
1616 if (!ext2fs_has_feature_quota(fs->super)) {
1617 ext2fs_set_feature_quota(fs->super);
1618 need_dirty = 1;
1619 }
1620 if (qtype == PRJQUOTA &&
1621 !ext2fs_has_feature_project(fs->super)) {
1622 ext2fs_set_feature_project(fs->super);
1623 need_dirty = 1;
1624 }
2d2d799c 1625 } else if (quota_enable[qtype] == QOPT_DISABLE) {
a701823a
TT		 1626 retval = quota_remove_inode(fs, qtype);
1627 if (retval) {
1628 com_err(program_name, retval,
1629 _("while removing quota file (%d)"),
1630 qtype);
1631 exit(1);
1632 }
245831ad
W		 1633 if (qtype == PRJQUOTA) {
1634 ext2fs_clear_feature_project(fs->super);
1635 need_dirty = 1;
1636 }
2d2d799c 1637 }
cdfaa759 1638 }
771e8db9 1639
a86d55da 1640 quota_release_context(&qctx);
245831ad
W		 1641 /* Clear Quota feature if all quota types disabled. */
1642 if (!qtype_bits) {
2d2d799c 1643 for (qtype = 0 ; qtype < MAXQUOTAS; qtype++)
245831ad 1644 if (*quota_sb_inump(fs->super, qtype))
2d2d799c
LX		 1645 break;
1646 if (qtype == MAXQUOTAS) {
245831ad
W		 1647 ext2fs_clear_feature_quota(fs->super);
1648 need_dirty = 1;
2d2d799c 1649 }
771e8db9 1650
245831ad
W		 1651 }
1652 if (need_dirty)
1653 ext2fs_mark_super_dirty(fs);
771e8db9
AK		 1654 return;
1655}
1656
478360f5 1657static int option_handle_function(char *token)
771e8db9 1658{
2d2d799c
LX		 1659 if (strncmp(token, "usr", 3) == 0) {
1660 quota_enable[USRQUOTA] = QOPT_ENABLE;
1661 } else if (strncmp(token, "^usr", 4) == 0) {
1662 quota_enable[USRQUOTA] = QOPT_DISABLE;
1663 } else if (strncmp(token, "grp", 3) == 0) {
1664 quota_enable[GRPQUOTA] = QOPT_ENABLE;
1665 } else if (strncmp(token, "^grp", 4) == 0) {
1666 quota_enable[GRPQUOTA] = QOPT_DISABLE;
080e09b4
LX		 1667 } else if (strncmp(token, "prj", 3) == 0) {
1668 quota_enable[PRJQUOTA] = QOPT_ENABLE;
1669 } else if (strncmp(token, "^prj", 4) == 0) {
1670 quota_enable[PRJQUOTA] = QOPT_DISABLE;
2d2d799c
LX		 1671 } else {
1672 fputs(_("\nBad quota options specified.\n\n"
1673 "Following valid quota options are available "
1674 "(pass by separating with comma):\n"
1675 "\t[^]usr[quota]\n"
1676 "\t[^]grp[quota]\n"
080e09b4 1677 "\t[^]prj[quota]\n"
2d2d799c
LX		 1678 "\n\n"), stderr);
1679 return 1;
771e8db9 1680 }
2d2d799c 1681 return 0;
771e8db9 1682}
83238153 1683
c8c071a0 1684static void parse_e2label_options(int argc, char ** argv)
83238153
TT		 1685{
1686 if ((argc < 2) || (argc > 3)) {
54434927 1687 fputs(_("Usage: e2label device [newlabel]\n"), stderr);
83238153
TT		 1688 exit(1);
1689 }
2e8ca9a2
TT		 1690 io_options = strchr(argv[1], '?');
1691 if (io_options)
1692 *io_options++ = 0;
332f2c23 1693 device_name = blkid_get_devname(NULL, argv[1], NULL);
817e49e3 1694 if (!device_name) {
efc6f628 1695 com_err("e2label", 0, _("Unable to resolve '%s'"),
817e49e3
TT		 1696 argv[1]);
1697 exit(1);
1698 }
2be8fe43 1699 open_flag = EXT2_FLAG_JOURNAL_DEV_OK;
83238153 1700 if (argc == 3) {
0ddfd9a5 1701 open_flag |= EXT2_FLAG_RW;
83238153
TT		 1702 L_flag = 1;
1703 new_label = argv[2];
efc6f628 1704 } else
83238153
TT		 1705 print_label++;
1706}
1707
d4de4aa9
TT		 1708static time_t parse_time(char *str)
1709{
1710 struct tm ts;
1711
1712 if (strcmp(str, "now") == 0) {
1713 return (time(0));
1714 }
1715 memset(&ts, 0, sizeof(ts));
bc7c14e0 1716#ifdef HAVE_STRPTIME
690e693c 1717 strptime(str, "%Y%m%d%H%M%S", &ts);
bc7c14e0 1718#else
690e693c 1719 sscanf(str, "%4d%2d%2d%2d%2d%2d", &ts.tm_year, &ts.tm_mon,
bc7c14e0
TT		 1720 &ts.tm_mday, &ts.tm_hour, &ts.tm_min, &ts.tm_sec);
1721 ts.tm_year -= 1900;
1722 ts.tm_mon -= 1;
1723 if (ts.tm_year < 0 || ts.tm_mon < 0 || ts.tm_mon > 11 ||
1724 ts.tm_mday < 0 || ts.tm_mday > 31 || ts.tm_hour > 23 ||
1725 ts.tm_min > 59 || ts.tm_sec > 61)
1726 ts.tm_mday = 0;
1727#endif
d4de4aa9
TT		 1728 if (ts.tm_mday == 0) {
1729 com_err(program_name, 0,
1730 _("Couldn't parse date/time specifier: %s"),
1731 str);
1732 usage();
1733 }
a2ff0f31 1734 ts.tm_isdst = -1;
d4de4aa9
TT		 1735 return (mktime(&ts));
1736}
83238153 1737
c8c071a0 1738static void parse_tune2fs_options(int argc, char **argv)
3839e657 1739{
519149fb 1740 int c;
ec43da2f
TT		 1741 char *tmp;
1742 struct group *gr;
1743 struct passwd *pw;
2d2d799c 1744 int ret;
9e8fcd6e 1745 char optstring[100] = "c:e:fg:i:jlm:o:r:s:u:C:E:I:J:L:M:O:T:U:z:Q:";
3839e657 1746
2be8fe43 1747 open_flag = 0;
0f8973fb 1748 printf("tune2fs %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE);
d82445e9 1749 while ((c = getopt(argc, argv, optstring)) != EOF)
ec43da2f
TT		 1750 switch (c) {
1751 case 'c':
1752 max_mount_count = strtol(optarg, &tmp, 0);
1753 if (*tmp || max_mount_count > 16000) {
1754 com_err(program_name, 0,
1755 _("bad mounts count - %s"),
1756 optarg);
1757 usage();
1758 }
1759 if (max_mount_count == 0)
1760 max_mount_count = -1;
1761 c_flag = 1;
1762 open_flag = EXT2_FLAG_RW;
1763 break;
1764 case 'C':
1765 mount_count = strtoul(optarg, &tmp, 0);
1766 if (*tmp || mount_count > 16000) {
1767 com_err(program_name, 0,
1768 _("bad mounts count - %s"),
1769 optarg);
1770 usage();
1771 }
1772 C_flag = 1;
1773 open_flag = EXT2_FLAG_RW;
1774 break;
1775 case 'e':
1776 if (strcmp(optarg, "continue") == 0)
1777 errors = EXT2_ERRORS_CONTINUE;
1778 else if (strcmp(optarg, "remount-ro") == 0)
1779 errors = EXT2_ERRORS_RO;
1780 else if (strcmp(optarg, "panic") == 0)
1781 errors = EXT2_ERRORS_PANIC;
1782 else {
1783 com_err(program_name, 0,
1784 _("bad error behavior - %s"),
1785 optarg);
1786 usage();
1787 }
1788 e_flag = 1;
1789 open_flag = EXT2_FLAG_RW;
1790 break;
1791 case 'E':
1792 extended_cmd = optarg;
1793 open_flag |= EXT2_FLAG_RW;
1794 break;
1795 case 'f': /* Force */
5fe2bd60 1796 f_flag++;
ec43da2f
TT		 1797 break;
1798 case 'g':
1799 resgid = strtoul(optarg, &tmp, 0);
1800 if (*tmp) {
1801 gr = getgrnam(optarg);
1802 if (gr == NULL)
1803 tmp = optarg;
818180cd 1804 else {
ec43da2f
TT		 1805 resgid = gr->gr_gid;
1806 *tmp = 0;
f3db3566 1807 }
ec43da2f
TT		 1808 }
1809 if (*tmp) {
1810 com_err(program_name, 0,
1811 _("bad gid/group name - %s"),
1812 optarg);
1813 usage();
1814 }
1815 g_flag = 1;
1816 open_flag = EXT2_FLAG_RW;
1817 break;
1818 case 'i':
1819 interval = strtoul(optarg, &tmp, 0);
1820 switch (*tmp) {
1821 case 's':
1822 tmp++;
f3db3566 1823 break;
ec43da2f
TT		 1824 case '\0':
1825 case 'd':
1826 case 'D': /* days */
1827 interval *= 86400;
1828 if (*tmp != '\0')
1e3472c5 1829 tmp++;
1e3472c5 1830 break;
3839e657 1831 case 'm':
ec43da2f
TT		 1832 case 'M': /* months! */
1833 interval *= 86400 * 30;
1834 tmp++;
3839e657 1835 break;
ec43da2f
TT		 1836 case 'w':
1837 case 'W': /* weeks */
1838 interval *= 86400 * 7;
1839 tmp++;
a0c3fd5e 1840 break;
ec43da2f
TT		 1841 }
1842 if (*tmp) {
1843 com_err(program_name, 0,
1844 _("bad interval - %s"), optarg);
1845 usage();
1846 }
1847 i_flag = 1;
1848 open_flag = EXT2_FLAG_RW;
1849 break;
1850 case 'j':
1851 if (!journal_size)
1852 journal_size = -1;
1853 open_flag = EXT2_FLAG_RW;
1854 break;
1855 case 'J':
1856 parse_journal_opts(optarg);
1857 open_flag = EXT2_FLAG_RW;
1858 break;
1859 case 'l':
1860 l_flag = 1;
1861 break;
1862 case 'L':
1863 new_label = optarg;
1864 L_flag = 1;
1865 open_flag |= EXT2_FLAG_RW |
1866 EXT2_FLAG_JOURNAL_DEV_OK;
1867 break;
1868 case 'm':
1869 reserved_ratio = strtod(optarg, &tmp);
8d822455
TT		 1870 if (*tmp || reserved_ratio > 50 ||
1871 reserved_ratio < 0) {
ec43da2f
TT		 1872 com_err(program_name, 0,
1873 _("bad reserved block ratio - %s"),
1874 optarg);
1875 usage();
1876 }
1877 m_flag = 1;
1878 open_flag = EXT2_FLAG_RW;
1879 break;
1880 case 'M':
1881 new_last_mounted = optarg;
1882 M_flag = 1;
1883 open_flag = EXT2_FLAG_RW;
1884 break;
1885 case 'o':
1886 if (mntopts_cmd) {
45ff69ff 1887 com_err(program_name, 0, "%s",
ec43da2f
TT		 1888 _("-o may only be specified once"));
1889 usage();
1890 }
1891 mntopts_cmd = optarg;
1892 open_flag = EXT2_FLAG_RW;
1893 break;
ec43da2f
TT		 1894 case 'O':
1895 if (features_cmd) {
45ff69ff 1896 com_err(program_name, 0, "%s",
ec43da2f
TT		 1897 _("-O may only be specified once"));
1898 usage();
1899 }
1900 features_cmd = optarg;
1901 open_flag = EXT2_FLAG_RW;
1902 break;
771e8db9
AK		 1903 case 'Q':
1904 Q_flag = 1;
478360f5 1905 ret = parse_quota_opts(optarg, option_handle_function);
2d2d799c
LX		 1906 if (ret)
1907 exit(1);
771e8db9
AK		 1908 open_flag = EXT2_FLAG_RW;
1909 break;
ec43da2f
TT		 1910 case 'r':
1911 reserved_blocks = strtoul(optarg, &tmp, 0);
1912 if (*tmp) {
1913 com_err(program_name, 0,
1914 _("bad reserved blocks count - %s"),
1915 optarg);
1916 usage();
1917 }
1918 r_flag = 1;
1919 open_flag = EXT2_FLAG_RW;
1920 break;
1921 case 's': /* Deprecated */
1922 s_flag = atoi(optarg);
1923 open_flag = EXT2_FLAG_RW;
1924 break;
1925 case 'T':
1926 T_flag = 1;
1927 last_check_time = parse_time(optarg);
1928 open_flag = EXT2_FLAG_RW;
1929 break;
1930 case 'u':
1931 resuid = strtoul(optarg, &tmp, 0);
818180cd 1932 if (*tmp) {
ec43da2f 1933 pw = getpwnam(optarg);
f3db3566
TT		 1934 if (pw == NULL)
1935 tmp = optarg;
a418d3ad 1936 else {
f3db3566 1937 resuid = pw->pw_uid;
a418d3ad
TT		 1938 *tmp = 0;
1939 }
f3db3566 1940 }
818180cd 1941 if (*tmp) {
ec43da2f
TT		 1942 com_err(program_name, 0,
1943 _("bad uid/user name - %s"),
1944 optarg);
818180cd 1945 usage();
f3db3566
TT		 1946 }
1947 u_flag = 1;
1e3472c5
TT		 1948 open_flag = EXT2_FLAG_RW;
1949 break;
ec43da2f
TT		 1950 case 'U':
1951 new_UUID = optarg;
1952 U_flag = 1;
1953 open_flag = EXT2_FLAG_RW |
1954 EXT2_FLAG_JOURNAL_DEV_OK;
1955 break;
1956 case 'I':
1957 new_inode_size = strtoul(optarg, &tmp, 0);
1958 if (*tmp) {
1959 com_err(program_name, 0,
1960 _("bad inode size - %s"),
1961 optarg);
818180cd 1962 usage();
ec43da2f
TT		 1963 }
1964 if (!((new_inode_size &
1965 (new_inode_size - 1)) == 0)) {
1966 com_err(program_name, 0,
1967 _("Inode size must be a "
1968 "power of two- %s"),
1969 optarg);
1970 usage();
1971 }
1972 open_flag = EXT2_FLAG_RW;
1973 I_flag = 1;
1974 break;
f7d05594
DW		 1975 case 'z':
1976 undo_file = optarg;
1977 break;
ec43da2f
TT		 1978 default:
1979 usage();
3839e657
TT		 1980 }
1981 if (optind < argc - 1 || optind == argc)
818180cd 1982 usage();
1e3472c5
TT		 1983 if (!open_flag && !l_flag)
1984 usage();
2e8ca9a2
TT		 1985 io_options = strchr(argv[optind], '?');
1986 if (io_options)
1987 *io_options++ = 0;
332f2c23 1988 device_name = blkid_get_devname(NULL, argv[optind], NULL);
817e49e3 1989 if (!device_name) {
e3507739 1990 com_err(program_name, 0, _("Unable to resolve '%s'"),
817e49e3
TT		 1991 argv[optind]);
1992 exit(1);
1993 }
118d7dac
TT		 1994}
1995
14b596d4 1996#ifdef CONFIG_BUILD_FINDFS
3e699064 1997void do_findfs(int argc, char **argv)
118d7dac
TT		 1998{
1999 char *dev;
83238153 2000
118d7dac
TT		 2001 if ((argc != 2) ||
2002 (strncmp(argv[1], "LABEL=", 6) && strncmp(argv[1], "UUID=", 5))) {
2003 fprintf(stderr, "Usage: findfs LABEL=<label>|UUID=<uuid>\n");
2004 exit(2);
2005 }
ed1b33e8 2006 dev = blkid_get_devname(NULL, argv[1], NULL);
118d7dac 2007 if (!dev) {
efc6f628 2008 com_err("findfs", 0, _("Unable to resolve '%s'"),
118d7dac
TT		 2009 argv[1]);
2010 exit(1);
2011 }
2012 puts(dev);
2013 exit(0);
2014}
14b596d4 2015#endif
83238153 2016
0f5eba75 2017static int parse_extended_opts(ext2_filsys fs, const char *opts)
6cb27404
TT		 2018{
2019 char *buf, *token, *next, *p, *arg;
10ff68d4 2020 int len, hash_alg;
6cb27404
TT		 2021 int r_usage = 0;
2022
2023 len = strlen(opts);
2024 buf = malloc(len+1);
2025 if (!buf) {
45ff69ff 2026 fprintf(stderr, "%s",
6cb27404 2027 _("Couldn't allocate memory to parse options!\n"));
0f5eba75 2028 return 1;
6cb27404
TT		 2029 }
2030 strcpy(buf, opts);
2031 for (token = buf; token && *token; token = next) {
2032 p = strchr(token, ',');
2033 next = 0;
2034 if (p) {
2035 *p = 0;
2036 next = p+1;
2037 }
2038 arg = strchr(token, '=');
2039 if (arg) {
2040 *arg = 0;
2041 arg++;
2042 }
0f5eba75
AD		 2043 if (strcmp(token, "clear-mmp") == 0 ||
2044 strcmp(token, "clear_mmp") == 0) {
2045 clear_mmp = 1;
2046 } else if (strcmp(token, "mmp_update_interval") == 0) {
577c773a 2047 unsigned long intv;
0f5eba75
AD		 2048 if (!arg) {
2049 r_usage++;
2050 continue;
2051 }
577c773a 2052 intv = strtoul(arg, &p, 0);
0f5eba75
AD		 2053 if (*p) {
2054 fprintf(stderr,
2055 _("Invalid mmp_update_interval: %s\n"),
2056 arg);
2057 r_usage++;
2058 continue;
2059 }
577c773a
TT		 2060 if (intv == 0) {
2061 intv = EXT4_MMP_UPDATE_INTERVAL;
2062 } else if (intv > EXT4_MMP_MAX_UPDATE_INTERVAL) {
0f5eba75
AD		 2063 fprintf(stderr,
2064 _("mmp_update_interval too big: %lu\n"),
577c773a 2065 intv);
0f5eba75
AD		 2066 r_usage++;
2067 continue;
2068 }
3fcd8fe8
TT		 2069 printf(P_("Setting multiple mount protection update "
2070 "interval to %lu second\n",
2071 "Setting multiple mount protection update "
577c773a
TT		 2072 "interval to %lu seconds\n", intv),
2073 intv);
2074 fs->super->s_mmp_update_interval = intv;
0f5eba75 2075 ext2fs_mark_super_dirty(fs);
2b17b98e
DW		 2076 } else if (!strcmp(token, "force_fsck")) {
2077 fs->super->s_state |= EXT2_ERROR_FS;
2078 printf(_("Setting filesystem error flag to force fsck.\n"));
2079 ext2fs_mark_super_dirty(fs);
0f5eba75 2080 } else if (!strcmp(token, "test_fs")) {
6cb27404
TT		 2081 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2082 printf("Setting test filesystem flag\n");
2083 ext2fs_mark_super_dirty(fs);
2084 } else if (!strcmp(token, "^test_fs")) {
2085 fs->super->s_flags &= ~EXT2_FLAGS_TEST_FILESYS;
2086 printf("Clearing test filesystem flag\n");
2087 ext2fs_mark_super_dirty(fs);
0c17cb25
TT		 2088 } else if (strcmp(token, "stride") == 0) {
2089 if (!arg) {
2090 r_usage++;
2091 continue;
2092 }
2093 stride = strtoul(arg, &p, 0);
035f32ab 2094 if (*p) {
0c17cb25 2095 fprintf(stderr,
0f5eba75 2096 _("Invalid RAID stride: %s\n"),
0c17cb25
TT		 2097 arg);
2098 r_usage++;
2099 continue;
2100 }
2101 stride_set = 1;
2102 } else if (strcmp(token, "stripe-width") == 0 ||
2103 strcmp(token, "stripe_width") == 0) {
2104 if (!arg) {
2105 r_usage++;
2106 continue;
2107 }
2108 stripe_width = strtoul(arg, &p, 0);
035f32ab 2109 if (*p) {
0c17cb25
TT		 2110 fprintf(stderr,
2111 _("Invalid RAID stripe-width: %s\n"),
2112 arg);
2113 r_usage++;
2114 continue;
2115 }
2116 stripe_width_set = 1;
10ff68d4
TT		 2117 } else if (strcmp(token, "hash_alg") == 0 ||
2118 strcmp(token, "hash-alg") == 0) {
2119 if (!arg) {
2120 r_usage++;
2121 continue;
2122 }
2123 hash_alg = e2p_string2hash(arg);
2124 if (hash_alg < 0) {
ec43da2f 2125 fprintf(stderr,
10ff68d4
TT		 2126 _("Invalid hash algorithm: %s\n"),
2127 arg);
2128 r_usage++;
2129 continue;
2130 }
2131 fs->super->s_def_hash_version = hash_alg;
2132 printf(_("Setting default hash algorithm "
ec43da2f 2133 "to %s (%d)\n"),
10ff68d4
TT		 2134 arg, hash_alg);
2135 ext2fs_mark_super_dirty(fs);
9a976ac7 2136 } else if (!strcmp(token, "mount_opts")) {
9345f026
TT		 2137 if (!arg) {
2138 r_usage++;
2139 continue;
2140 }
2141 if (strlen(arg) >= sizeof(fs->super->s_mount_opts)) {
2142 fprintf(stderr,
2143 "Extended mount options too long\n");
2144 continue;
2145 }
9a976ac7 2146 ext_mount_opts = strdup(arg);
efc6f628 2147 } else
6cb27404
TT		 2148 r_usage++;
2149 }
2150 if (r_usage) {
45ff69ff 2151 fprintf(stderr, "%s", _("\nBad options specified.\n\n"
6cb27404
TT		 2152 "Extended options are separated by commas, "
2153 "and may take an argument which\n"
2154 "\tis set off by an equals ('=') sign.\n\n"
2155 "Valid extended options are:\n"
0f5eba75 2156 "\tclear_mmp\n"
9a976ac7
TT		 2157 "\thash_alg=<hash algorithm>\n"
2158 "\tmount_opts=<extended default mount options>\n"
75dd3c47 2159 "\tmmp_update_interval=<mmp update interval in seconds>\n"
0c17cb25 2160 "\tstride=<RAID per-disk chunk size in blocks>\n"
10ff68d4 2161 "\tstripe_width=<RAID stride*data disks in blocks>\n"
2b17b98e 2162 "\tforce_fsck\n"
6cb27404
TT		 2163 "\ttest_fs\n"
2164 "\t^test_fs\n"));
2165 free(buf);
0f5eba75 2166 return 1;
6cb27404
TT		 2167 }
2168 free(buf);
0f5eba75
AD		 2169
2170 return 0;
efc6f628 2171}
6cb27404 2172
31f1815f 2173/*
a9e5177b
AK		 2174 * Fill in the block bitmap bmap with the information regarding the
2175 * blocks to be moved
31f1815f
TT		 2176 */
2177static int get_move_bitmaps(ext2_filsys fs, int new_ino_blks_per_grp,
a9e5177b 2178 ext2fs_block_bitmap bmap)
64d588cf
AK		 2179{
2180 dgrp_t i;
154a5d75
AK		 2181 int retval;
2182 ext2_badblocks_list bb_list = 0;
7117f8d6
VAH		 2183 blk64_t j, needed_blocks = 0;
2184 blk64_t start_blk, end_blk;
64d588cf 2185
154a5d75
AK		 2186 retval = ext2fs_read_bb_inode(fs, &bb_list);
2187 if (retval)
2188 return retval;
2189
64d588cf 2190 for (i = 0; i < fs->group_desc_count; i++) {
d7cca6b0 2191 start_blk = ext2fs_inode_table_loc(fs, i) +
64d588cf
AK		 2192 fs->inode_blocks_per_group;
2193
d7cca6b0 2194 end_blk = ext2fs_inode_table_loc(fs, i) +
64d588cf
AK		 2195 new_ino_blks_per_grp;
2196
2197 for (j = start_blk; j < end_blk; j++) {
3c041a51 2198 if (ext2fs_test_block_bitmap2(fs->block_map, j)) {
154a5d75
AK		 2199 /*
2200 * IF the block is a bad block we fail
64d588cf 2201 */
154a5d75
AK		 2202 if (ext2fs_badblocks_list_test(bb_list, j)) {
2203 ext2fs_badblocks_list_free(bb_list);
2204 return ENOSPC;
2205 }
2206
3c041a51 2207 ext2fs_mark_block_bitmap2(bmap, j);
64d588cf
AK		 2208 } else {
2209 /*
2210 * We are going to use this block for
2211 * inode table. So mark them used.
2212 */
3c041a51 2213 ext2fs_mark_block_bitmap2(fs->block_map, j);
64d588cf
AK		 2214 }
2215 }
a9e5177b 2216 needed_blocks += end_blk - start_blk;
64d588cf
AK		 2217 }
2218
154a5d75 2219 ext2fs_badblocks_list_free(bb_list);
4efbac6f 2220 if (needed_blocks > ext2fs_free_blocks_count(fs->super))
64d588cf 2221 return ENOSPC;
64d588cf
AK		 2222
2223 return 0;
2224}
2225
4dbfd79d 2226static int ext2fs_is_meta_block(ext2_filsys fs, blk64_t blk)
91fac979
AK		 2227{
2228 dgrp_t group;
4dbfd79d 2229 group = ext2fs_group_of_blk2(fs, blk);
d7cca6b0 2230 if (ext2fs_block_bitmap_loc(fs, group) == blk)
91fac979 2231 return 1;
d7cca6b0 2232 if (ext2fs_inode_bitmap_loc(fs, group) == blk)
91fac979
AK		 2233 return 1;
2234 return 0;
2235}
2236
4dbfd79d 2237static int ext2fs_is_block_in_group(ext2_filsys fs, dgrp_t group, blk64_t blk)
91fac979 2238{
4dbfd79d 2239 blk64_t start_blk, end_blk;
91fac979 2240 start_blk = fs->super->s_first_data_block +
1e33a8b4 2241 EXT2_GROUPS_TO_BLOCKS(fs->super, group);
91fac979
AK		 2242 /*
2243 * We cannot get new block beyond end_blk for for the last block group
2244 * so we can check with EXT2_BLOCKS_PER_GROUP even for last block group
2245 */
2246 end_blk = start_blk + EXT2_BLOCKS_PER_GROUP(fs->super);
2247 if (blk >= start_blk && blk <= end_blk)
2248 return 1;
2249 return 0;
2250}
2251
a9e5177b 2252static int move_block(ext2_filsys fs, ext2fs_block_bitmap bmap)
64d588cf 2253{
91fac979 2254
64d588cf 2255 char *buf;
cf5301d7 2256 dgrp_t group = 0;
64d588cf 2257 errcode_t retval;
91fac979 2258 int meta_data = 0;
7117f8d6 2259 blk64_t blk, new_blk, goal;
64d588cf
AK		 2260 struct blk_move *bmv;
2261
64d588cf
AK		 2262 retval = ext2fs_get_mem(fs->blocksize, &buf);
2263 if (retval)
2264 return retval;
2265
27c6de45 2266 for (new_blk = blk = fs->super->s_first_data_block;
4efbac6f 2267 blk < ext2fs_blocks_count(fs->super); blk++) {
3c041a51 2268 if (!ext2fs_test_block_bitmap2(bmap, blk))
64d588cf
AK		 2269 continue;
2270
91fac979
AK		 2271 if (ext2fs_is_meta_block(fs, blk)) {
2272 /*
2273 * If the block is mapping a fs meta data block
2274 * like group desc/block bitmap/inode bitmap. We
2275 * should find a block in the same group and fix
2276 * the respective fs metadata pointers. Otherwise
2277 * fail
2278 */
4dbfd79d 2279 group = ext2fs_group_of_blk2(fs, blk);
b49f78fe 2280 goal = ext2fs_group_first_block2(fs, group);
91fac979
AK		 2281 meta_data = 1;
2282
2283 } else {
2284 goal = new_blk;
2285 }
7117f8d6 2286 retval = ext2fs_new_block2(fs, goal, NULL, &new_blk);
64d588cf
AK		 2287 if (retval)
2288 goto err_out;
2289
91fac979
AK		 2290 /* new fs meta data block should be in the same group */
2291 if (meta_data && !ext2fs_is_block_in_group(fs, group, new_blk)) {
2292 retval = ENOSPC;
2293 goto err_out;
2294 }
2295
64d588cf 2296 /* Mark this block as allocated */
3c041a51 2297 ext2fs_mark_block_bitmap2(fs->block_map, new_blk);
64d588cf
AK		 2298
2299 /* Add it to block move list */
2300 retval = ext2fs_get_mem(sizeof(struct blk_move), &bmv);
2301 if (retval)
2302 goto err_out;
2303
2304 bmv->old_loc = blk;
2305 bmv->new_loc = new_blk;
2306
2307 list_add(&(bmv->list), &blk_move_list);
2308
24a117ab 2309 retval = io_channel_read_blk64(fs->io, blk, 1, buf);
64d588cf
AK		 2310 if (retval)
2311 goto err_out;
2312
24a117ab 2313 retval = io_channel_write_blk64(fs->io, new_blk, 1, buf);
64d588cf
AK		 2314 if (retval)
2315 goto err_out;
2316 }
2317
2318err_out:
2319 ext2fs_free_mem(&buf);
2320 return retval;
2321}
2322
7117f8d6 2323static blk64_t translate_block(blk64_t blk)
64d588cf
AK		 2324{
2325 struct list_head *entry;
2326 struct blk_move *bmv;
2327
2328 list_for_each(entry, &blk_move_list) {
64d588cf
AK		 2329 bmv = list_entry(entry, struct blk_move, list);
2330 if (bmv->old_loc == blk)
2331 return bmv->new_loc;
2332 }
2333
2334 return 0;
2335}
2336
721b367a 2337static int process_block(ext2_filsys fs EXT2FS_ATTR((unused)),
7117f8d6 2338 blk64_t *block_nr,
721b367a 2339 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
7117f8d6 2340 blk64_t ref_block EXT2FS_ATTR((unused)),
64d588cf 2341 int ref_offset EXT2FS_ATTR((unused)),
27c6de45 2342 void *priv_data)
64d588cf
AK		 2343{
2344 int ret = 0;
7117f8d6 2345 blk64_t new_blk;
27c6de45 2346 ext2fs_block_bitmap bmap = (ext2fs_block_bitmap) priv_data;
64d588cf 2347
3c041a51 2348 if (!ext2fs_test_block_bitmap2(bmap, *block_nr))
27c6de45 2349 return 0;
ec43da2f 2350 new_blk = translate_block(*block_nr);
64d588cf
AK		 2351 if (new_blk) {
2352 *block_nr = new_blk;
2353 /*
2354 * This will force the ext2fs_write_inode in the iterator
2355 */
2356 ret |= BLOCK_CHANGED;
2357 }
2358
2359 return ret;
2360}
2361
27c6de45 2362static int inode_scan_and_fix(ext2_filsys fs, ext2fs_block_bitmap bmap)
64d588cf
AK		 2363{
2364 errcode_t retval = 0;
2365 ext2_ino_t ino;
7117f8d6 2366 blk64_t blk;
64d588cf
AK		 2367 char *block_buf = 0;
2368 struct ext2_inode inode;
2369 ext2_inode_scan scan = NULL;
2370
2371 retval = ext2fs_get_mem(fs->blocksize * 3, &block_buf);
2372 if (retval)
2373 return retval;
2374
2375 retval = ext2fs_open_inode_scan(fs, 0, &scan);
2376 if (retval)
2377 goto err_out;
2378
2379 while (1) {
64d588cf
AK		 2380 retval = ext2fs_get_next_inode(scan, &ino, &inode);
2381 if (retval)
2382 goto err_out;
2383
2384 if (!ino)
2385 break;
2386
2387 if (inode.i_links_count == 0)
2388 continue; /* inode not in use */
2389
2390 /* FIXME!!
2391 * If we end up modifying the journal inode
2392 * the sb->s_jnl_blocks will differ. But a
2393 * subsequent e2fsck fixes that.
2394 * Do we need to fix this ??
2395 */
2396
0c80c44b 2397 if (ext2fs_file_acl_block(fs, &inode) &&
a63745e8 2398 ext2fs_test_block_bitmap2(bmap,
0c80c44b
TT		 2399 ext2fs_file_acl_block(fs, &inode))) {
2400 blk = translate_block(ext2fs_file_acl_block(fs,
2401 &inode));
64d588cf
AK		 2402 if (!blk)
2403 continue;
2404
0c80c44b 2405 ext2fs_file_acl_block_set(fs, &inode, blk);
64d588cf
AK		 2406
2407 /*
2408 * Write the inode to disk so that inode table
2409 * resizing can work
2410 */
2411 retval = ext2fs_write_inode(fs, ino, &inode);
2412 if (retval)
2413 goto err_out;
2414 }
2415
0c80c44b 2416 if (!ext2fs_inode_has_valid_blocks2(fs, &inode))
64d588cf
AK		 2417 continue;
2418
7117f8d6 2419 retval = ext2fs_block_iterate3(fs, ino, 0, block_buf,
27c6de45 2420 process_block, bmap);
64d588cf
AK		 2421 if (retval)
2422 goto err_out;
2423
2424 }
2425
2426err_out:
2427 ext2fs_free_mem(&block_buf);
5da89120 2428 ext2fs_close_inode_scan(scan);
64d588cf
AK		 2429
2430 return retval;
31f1815f
TT		 2431}
2432
91fac979
AK		 2433/*
2434 * We need to scan for inode and block bitmaps that may need to be
2435 * moved. This can take place if the filesystem was formatted for
2436 * RAID arrays using the mke2fs's extended option "stride".
2437 */
2438static int group_desc_scan_and_fix(ext2_filsys fs, ext2fs_block_bitmap bmap)
2439{
2440 dgrp_t i;
4dbfd79d 2441 blk64_t blk, new_blk;
91fac979
AK		 2442
2443 for (i = 0; i < fs->group_desc_count; i++) {
d7cca6b0 2444 blk = ext2fs_block_bitmap_loc(fs, i);
3c041a51 2445 if (ext2fs_test_block_bitmap2(bmap, blk)) {
91fac979
AK		 2446 new_blk = translate_block(blk);
2447 if (!new_blk)
2448 continue;
d7cca6b0 2449 ext2fs_block_bitmap_loc_set(fs, i, new_blk);
91fac979
AK		 2450 }
2451
d7cca6b0 2452 blk = ext2fs_inode_bitmap_loc(fs, i);
3c041a51 2453 if (ext2fs_test_block_bitmap2(bmap, blk)) {
91fac979
AK		 2454 new_blk = translate_block(blk);
2455 if (!new_blk)
2456 continue;
d7cca6b0 2457 ext2fs_inode_bitmap_loc_set(fs, i, new_blk);
91fac979
AK		 2458 }
2459 }
2460 return 0;
2461}
2462
721b367a 2463static int expand_inode_table(ext2_filsys fs, unsigned long new_ino_size)
64d588cf
AK		 2464{
2465 dgrp_t i;
7117f8d6 2466 blk64_t blk;
64d588cf 2467 errcode_t retval;
721b367a
TT		 2468 int new_ino_blks_per_grp;
2469 unsigned int j;
64d588cf
AK		 2470 char *old_itable = NULL, *new_itable = NULL;
2471 char *tmp_old_itable = NULL, *tmp_new_itable = NULL;
721b367a 2472 unsigned long old_ino_size;
64d588cf
AK		 2473 int old_itable_size, new_itable_size;
2474
2475 old_itable_size = fs->inode_blocks_per_group * fs->blocksize;
721b367a 2476 old_ino_size = EXT2_INODE_SIZE(fs->super);
64d588cf
AK		 2477
2478 new_ino_blks_per_grp = ext2fs_div_ceil(
2479 EXT2_INODES_PER_GROUP(fs->super) *
721b367a 2480 new_ino_size,
64d588cf
AK		 2481 fs->blocksize);
2482
2483 new_itable_size = new_ino_blks_per_grp * fs->blocksize;
2484
2485 retval = ext2fs_get_mem(old_itable_size, &old_itable);
2486 if (retval)
2487 return retval;
2488
2489 retval = ext2fs_get_mem(new_itable_size, &new_itable);
2490 if (retval)
2491 goto err_out;
2492
2493 tmp_old_itable = old_itable;
2494 tmp_new_itable = new_itable;
2495
2496 for (i = 0; i < fs->group_desc_count; i++) {
d7cca6b0 2497 blk = ext2fs_inode_table_loc(fs, i);
24a117ab 2498 retval = io_channel_read_blk64(fs->io, blk,
64d588cf
AK		 2499 fs->inode_blocks_per_group, old_itable);
2500 if (retval)
2501 goto err_out;
2502
2503 for (j = 0; j < EXT2_INODES_PER_GROUP(fs->super); j++) {
721b367a 2504 memcpy(new_itable, old_itable, old_ino_size);
64d588cf 2505
721b367a
TT		 2506 memset(new_itable+old_ino_size, 0,
2507 new_ino_size - old_ino_size);
64d588cf 2508
721b367a
TT		 2509 new_itable += new_ino_size;
2510 old_itable += old_ino_size;
64d588cf
AK		 2511 }
2512
2513 /* reset the pointer */
2514 old_itable = tmp_old_itable;
2515 new_itable = tmp_new_itable;
2516
24a117ab 2517 retval = io_channel_write_blk64(fs->io, blk,
64d588cf
AK		 2518 new_ino_blks_per_grp, new_itable);
2519 if (retval)
2520 goto err_out;
2521 }
2522
2523 /* Update the meta data */
2524 fs->inode_blocks_per_group = new_ino_blks_per_grp;
ad4eafb2
XW		 2525 ext2fs_free_inode_cache(fs->icache);
2526 fs->icache = 0;
721b367a 2527 fs->super->s_inode_size = new_ino_size;
64d588cf
AK		 2528
2529err_out:
2530 if (old_itable)
2531 ext2fs_free_mem(&old_itable);
2532
2533 if (new_itable)
2534 ext2fs_free_mem(&new_itable);
2535
2536 return retval;
64d588cf
AK		 2537}
2538
2539static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
2540{
7117f8d6 2541 blk64_t blk;
64d588cf
AK		 2542 ext2_ino_t ino;
2543 unsigned int group = 0;
2544 unsigned int count = 0;
2545 int total_free = 0;
2546 int group_free = 0;
2547
2548 /*
2549 * First calculate the block statistics
2550 */
2551 for (blk = fs->super->s_first_data_block;
4efbac6f 2552 blk < ext2fs_blocks_count(fs->super); blk++) {
3c041a51 2553 if (!ext2fs_fast_test_block_bitmap2(fs->block_map, blk)) {
64d588cf
AK		 2554 group_free++;
2555 total_free++;
2556 }
2557 count++;
2558 if ((count == fs->super->s_blocks_per_group) ||
4efbac6f 2559 (blk == ext2fs_blocks_count(fs->super)-1)) {
d7cca6b0
VAH		 2560 ext2fs_bg_free_blocks_count_set(fs, group++,
2561 group_free);
64d588cf
AK		 2562 count = 0;
2563 group_free = 0;
2564 }
2565 }
fe75afbf 2566 total_free = EXT2FS_C2B(fs, total_free);
4efbac6f 2567 ext2fs_free_blocks_count_set(fs->super, total_free);
64d588cf
AK		 2568
2569 /*
2570 * Next, calculate the inode statistics
2571 */
2572 group_free = 0;
2573 total_free = 0;
2574 count = 0;
2575 group = 0;
2576
2577 /* Protect loop from wrap-around if s_inodes_count maxed */
2578 for (ino = 1; ino <= fs->super->s_inodes_count && ino > 0; ino++) {
3c041a51 2579 if (!ext2fs_fast_test_inode_bitmap2(fs->inode_map, ino)) {
64d588cf
AK		 2580 group_free++;
2581 total_free++;
2582 }
2583 count++;
2584 if ((count == fs->super->s_inodes_per_group) ||
2585 (ino == fs->super->s_inodes_count)) {
d7cca6b0
VAH		 2586 ext2fs_bg_free_inodes_count_set(fs, group++,
2587 group_free);
64d588cf
AK		 2588 count = 0;
2589 group_free = 0;
2590 }
2591 }
2592 fs->super->s_free_inodes_count = total_free;
2593 ext2fs_mark_super_dirty(fs);
2594 return 0;
2595}
2596
2597#define list_for_each_safe(pos, pnext, head) \
2598 for (pos = (head)->next, pnext = pos->next; pos != (head); \
2599 pos = pnext, pnext = pos->next)
2600
721b367a 2601static void free_blk_move_list(void)
64d588cf
AK		 2602{
2603 struct list_head *entry, *tmp;
2604 struct blk_move *bmv;
2605
2606 list_for_each_safe(entry, tmp, &blk_move_list) {
64d588cf
AK		 2607 bmv = list_entry(entry, struct blk_move, list);
2608 list_del(entry);
2609 ext2fs_free_mem(&bmv);
2610 }
31f1815f 2611 return;
64d588cf 2612}
721b367a
TT		 2613
2614static int resize_inode(ext2_filsys fs, unsigned long new_size)
64d588cf
AK		 2615{
2616 errcode_t retval;
2617 int new_ino_blks_per_grp;
a9e5177b 2618 ext2fs_block_bitmap bmap;
64d588cf 2619
c3ecabe6
ES		 2620 retval = ext2fs_read_inode_bitmap(fs);
2621 if (retval) {
2622 fputs(_("Failed to read inode bitmap\n"), stderr);
2623 return retval;
2624 }
2625 retval = ext2fs_read_block_bitmap(fs);
2626 if (retval) {
3fcd8fe8 2627 fputs(_("Failed to read block bitmap\n"), stderr);
c3ecabe6
ES		 2628 return retval;
2629 }
64d588cf
AK		 2630 INIT_LIST_HEAD(&blk_move_list);
2631
2632
2633 new_ino_blks_per_grp = ext2fs_div_ceil(
2634 EXT2_INODES_PER_GROUP(fs->super)*
721b367a 2635 new_size,
64d588cf
AK		 2636 fs->blocksize);
2637
2638 /* We may change the file system.
2639 * Mark the file system as invalid so that
2640 * the user is prompted to run fsck.
2641 */
2642 fs->super->s_state &= ~EXT2_VALID_FS;
2643
2644 retval = ext2fs_allocate_block_bitmap(fs, _("blocks to be moved"),
2645 &bmap);
a9e5177b
AK		 2646 if (retval) {
2647 fputs(_("Failed to allocate block bitmap when "
2648 "increasing inode size\n"), stderr);
31f1815f 2649 return retval;
a9e5177b
AK		 2650 }
2651 retval = get_move_bitmaps(fs, new_ino_blks_per_grp, bmap);
2652 if (retval) {
2653 fputs(_("Not enough space to increase inode size \n"), stderr);
64d588cf 2654 goto err_out;
a9e5177b
AK		 2655 }
2656 retval = move_block(fs, bmap);
2657 if (retval) {
2658 fputs(_("Failed to relocate blocks during inode resize \n"),
2659 stderr);
64d588cf 2660 goto err_out;
a9e5177b 2661 }
27c6de45 2662 retval = inode_scan_and_fix(fs, bmap);
64d588cf 2663 if (retval)
a9e5177b 2664 goto err_out_undo;
31f1815f 2665
91fac979
AK		 2666 retval = group_desc_scan_and_fix(fs, bmap);
2667 if (retval)
2668 goto err_out_undo;
2669
721b367a 2670 retval = expand_inode_table(fs, new_size);
64d588cf 2671 if (retval)
a9e5177b 2672 goto err_out_undo;
64d588cf
AK		 2673
2674 ext2fs_calculate_summary_stats(fs);
2675
2676 fs->super->s_state |= EXT2_VALID_FS;
2677 /* mark super block and block bitmap as dirty */
2678 ext2fs_mark_super_dirty(fs);
2679 ext2fs_mark_bb_dirty(fs);
2680
2681err_out:
2682 free_blk_move_list();
2683 ext2fs_free_block_bitmap(bmap);
2684
2685 return retval;
a9e5177b
AK		 2686
2687err_out_undo:
2688 free_blk_move_list();
2689 ext2fs_free_block_bitmap(bmap);
2690 fputs(_("Error in resizing the inode size.\n"
2691 "Run e2undo to undo the "
2692 "file system changes. \n"), stderr);
2693
2694 return retval;
64d588cf
AK		 2695}
2696
2697static int tune2fs_setup_tdb(const char *name, io_manager *io_ptr)
2698{
2699 errcode_t retval = 0;
721b367a 2700 const char *tdb_dir;
b0851392 2701 char *tdb_file = NULL;
721b367a 2702 char *dev_name, *tmp_name;
64d588cf 2703
f7d05594
DW		 2704 /* (re)open a specific undo file */
2705 if (undo_file && undo_file[0] != 0) {
b0851392
DW		 2706 retval = set_undo_io_backing_manager(*io_ptr);
2707 if (retval)
2708 goto err;
f7d05594 2709 *io_ptr = undo_io_manager;
b0851392
DW		 2710 retval = set_undo_io_backup_file(undo_file);
2711 if (retval)
2712 goto err;
2713 printf(_("Overwriting existing filesystem; this can be undone "
2714 "using the command:\n"
2715 " e2undo %s %s\n\n"),
f7d05594
DW		 2716 undo_file, name);
2717 return retval;
2718 }
2719
64d588cf
AK		 2720 /*
2721 * Configuration via a conf file would be
2722 * nice
2723 */
64d588cf
AK		 2724 tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2725 if (!tdb_dir)
ec43da2f 2726 tdb_dir = "/var/lib/e2fsprogs";
64d588cf
AK		 2727
2728 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2729 access(tdb_dir, W_OK))
2730 return 0;
2731
b0851392
DW		 2732 tmp_name = strdup(name);
2733 if (!tmp_name)
2734 goto errout;
2735 dev_name = basename(tmp_name);
f203bbdb 2736 tdb_file = malloc(strlen(tdb_dir) + 9 + strlen(dev_name) + 7 + 1);
b0851392
DW		 2737 if (!tdb_file) {
2738 free(tmp_name);
2739 goto errout;
2740 }
721b367a 2741 sprintf(tdb_file, "%s/tune2fs-%s.e2undo", tdb_dir, dev_name);
b0851392 2742 free(tmp_name);
64d588cf 2743
250bf9a7
TT		 2744 if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2745 retval = errno;
2746 com_err(program_name, retval,
2747 _("while trying to delete %s"), tdb_file);
b0851392 2748 goto errout;
64d588cf
AK		 2749 }
2750
b0851392
DW		 2751 retval = set_undo_io_backing_manager(*io_ptr);
2752 if (retval)
2753 goto errout;
64d588cf 2754 *io_ptr = undo_io_manager;
b0851392
DW		 2755 retval = set_undo_io_backup_file(tdb_file);
2756 if (retval)
2757 goto errout;
2758 printf(_("Overwriting existing filesystem; this can be undone "
2759 "using the command:\n"
2760 " e2undo %s %s\n\n"),
64d588cf 2761 tdb_file, name);
b0851392 2762
f203bbdb 2763 free(tdb_file);
b0851392
DW		 2764 return 0;
2765errout:
2766 free(tdb_file);
2767err:
2768 com_err("tune2fs", retval, "while trying to setup undo file\n");
64d588cf
AK		 2769 return retval;
2770}
83238153 2771
4e222d9b 2772static int
0befec4e 2773fs_update_journal_user(struct ext2_super_block *sb, __u8 old_uuid[UUID_SIZE])
9c2c1e9a
AK		 2774{
2775 int retval, nr_users, start;
2776 journal_superblock_t *jsb;
2777 ext2_filsys jfs;
0befec4e
AD		 2778 __u8 *j_uuid;
2779 char *journal_path;
9c2c1e9a 2780 char uuid[UUID_STR_SIZE];
59707c1b 2781 char buf[SUPERBLOCK_SIZE] __attribute__ ((aligned(8)));
9c2c1e9a 2782
7889640d 2783 if (!ext2fs_has_feature_journal(sb) || uuid_is_null(sb->s_journal_uuid))
9c2c1e9a
AK		 2784 return 0;
2785
2786 uuid_unparse(sb->s_journal_uuid, uuid);
2787 journal_path = blkid_get_devname(NULL, "UUID", uuid);
2788 if (!journal_path)
2789 return 0;
2790
2791 retval = ext2fs_open2(journal_path, io_options,
2792 EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_RW,
2793 0, 0, unix_io_manager, &jfs);
2794 if (retval) {
2795 com_err(program_name, retval,
2796 _("while trying to open %s"),
2797 journal_path);
2798 return retval;
2799 }
2800
0befec4e
AD		 2801 retval = get_journal_sb(jfs, buf);
2802 if (retval != 0) {
9c2c1e9a
AK		 2803 if (retval == EXT2_ET_UNSUPP_FEATURE)
2804 fprintf(stderr, _("%s is not a journal device.\n"),
2805 journal_path);
2806 return retval;
2807 }
2808
2809 jsb = (journal_superblock_t *) buf;
2810 /* Find the filesystem UUID */
2811 nr_users = ntohl(jsb->s_nr_users);
b0ec76d6
LC		 2812 if (nr_users > JFS_USERS_MAX) {
2813 fprintf(stderr, _("Journal superblock is corrupted, nr_users\n"
2814 "is too high (%d).\n"), nr_users);
2815 return EXT2_ET_CORRUPT_JOURNAL_SB;
2816 }
9c2c1e9a 2817
0befec4e
AD		 2818 j_uuid = journal_user(old_uuid, jsb->s_users, nr_users);
2819 if (j_uuid == NULL) {
9c2c1e9a
AK		 2820 fputs(_("Filesystem's UUID not found on journal device.\n"),
2821 stderr);
2822 return EXT2_ET_LOAD_EXT_JOURNAL;
2823 }
2824
2825 memcpy(j_uuid, sb->s_uuid, UUID_SIZE);
2826
2827 start = ext2fs_journal_sb_start(jfs->blocksize);
2828 /* Write back the journal superblock */
0befec4e
AD		 2829 retval = io_channel_write_blk64(jfs->io, start, -SUPERBLOCK_SIZE, buf);
2830 if (retval != 0) {
9c2c1e9a
AK		 2831 com_err(program_name, retval,
2832 "while writing journal superblock.");
2833 return retval;
2834 }
2835
2836 ext2fs_close(jfs);
2837
2838 return 0;
2839}
2840
273c2c5d 2841#ifndef BUILD_AS_LIB
ec43da2f 2842int main(int argc, char **argv)
273c2c5d
TT		 2843#else
2844int tune2fs_main(int argc, char **argv)
2845#endif /* BUILD_AS_LIB */
83238153
TT		 2846{
2847 errcode_t retval;
2848 ext2_filsys fs;
2849 struct ext2_super_block *sb;
d887f88d 2850 io_manager io_ptr, io_ptr_orig = NULL;
0f5eba75 2851 int rc = 0;
4e222d9b 2852 char default_undo_file[1] = { 0 };
83238153
TT		 2853
2854#ifdef ENABLE_NLS
2855 setlocale(LC_MESSAGES, "");
14308a53 2856 setlocale(LC_CTYPE, "");
83238153
TT		 2857 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2858 textdomain(NLS_CAT_NAME);
9d4507c5 2859 set_com_err_gettext(gettext);
83238153
TT		 2860#endif
2861 if (argc && *argv)
2862 program_name = *argv;
a6d8302b 2863 add_error_table(&et_ext2_error_table);
83238153 2864
14b596d4 2865#ifdef CONFIG_BUILD_FINDFS
118d7dac
TT		 2866 if (strcmp(get_progname(argv[0]), "findfs") == 0)
2867 do_findfs(argc, argv);
14b596d4 2868#endif
83238153
TT		 2869 if (strcmp(get_progname(argv[0]), "e2label") == 0)
2870 parse_e2label_options(argc, argv);
2871 else
2872 parse_tune2fs_options(argc, argv);
efc6f628 2873
2a29f135 2874#ifdef CONFIG_TESTIO_DEBUG
f38cf3cb
TT		 2875 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_DEBUG")) {
2876 io_ptr = test_io_manager;
2877 test_io_backing_manager = unix_io_manager;
2878 } else
2a29f135 2879#endif
f38cf3cb 2880 io_ptr = unix_io_manager;
64d588cf 2881
d887f88d 2882retry_open:
0f5eba75
AD		 2883 if ((open_flag & EXT2_FLAG_RW) == 0 || f_flag)
2884 open_flag |= EXT2_FLAG_SKIP_MMP;
2885
811bccef 2886 open_flag |= EXT2_FLAG_64BITS | EXT2_FLAG_JOURNAL_DEV_OK;
0f5eba75
AD		 2887
2888 /* keep the filesystem struct around to dump MMP data */
2889 open_flag |= EXT2_FLAG_NOFREE_ON_ERROR;
2890
efc6f628 2891 retval = ext2fs_open2(device_name, io_options, open_flag,
2e8ca9a2 2892 0, 0, io_ptr, &fs);
ec43da2f 2893 if (retval) {
0f5eba75
AD		 2894 com_err(program_name, retval,
2895 _("while trying to open %s"),
ec43da2f 2896 device_name);
0f5eba75
AD		 2897 if (retval == EXT2_ET_MMP_FSCK_ON ||
2898 retval == EXT2_ET_MMP_UNKNOWN_SEQ)
2899 dump_mmp_msg(fs->mmp_buf,
2900 _("If you are sure the filesystem "
2901 "is not in use on any node, run:\n"
2902 "'tune2fs -f -E clear_mmp {device}'\n"));
2903 else if (retval == EXT2_ET_MMP_FAILED)
2904 dump_mmp_msg(fs->mmp_buf, NULL);
2905 else if (retval == EXT2_ET_MMP_MAGIC_INVALID)
2906 fprintf(stderr,
2907 _("MMP block magic is bad. Try to fix it by "
2908 "running:\n'e2fsck -f %s'\n"), device_name);
c8b20b40
DW		 2909 else if (retval == EXT2_ET_BAD_MAGIC)
2910 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
0f5eba75 2911 else if (retval != EXT2_ET_MMP_FAILED)
45ff69ff 2912 fprintf(stderr, "%s",
0f5eba75
AD		 2913 _("Couldn't find valid filesystem superblock.\n"));
2914
2915 ext2fs_free(fs);
3839e657
TT		 2916 exit(1);
2917 }
7889640d 2918 if (ext2fs_has_feature_journal_dev(fs->super)) {
811bccef
DW		 2919 fprintf(stderr, "%s", _("Cannot modify a journal device.\n"));
2920 ext2fs_free(fs);
2921 exit(1);
2922 }
24dea554 2923 fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
d887f88d 2924
f7d05594 2925 if (I_flag) {
d887f88d
TT		 2926 /*
2927 * Check the inode size is right so we can issue an
2928 * error message and bail before setting up the tdb
2929 * file.
2930 */
2931 if (new_inode_size == EXT2_INODE_SIZE(fs->super)) {
9266fc7a 2932 fprintf(stderr, _("The inode size is already %lu\n"),
d887f88d 2933 new_inode_size);
0f5eba75
AD		 2934 rc = 1;
2935 goto closefs;
d887f88d
TT		 2936 }
2937 if (new_inode_size < EXT2_INODE_SIZE(fs->super)) {
45ff69ff
AD		 2938 fprintf(stderr, "%s",
2939 _("Shrinking inode size is not supported\n"));
0f5eba75
AD		 2940 rc = 1;
2941 goto closefs;
d887f88d 2942 }
fab0d286
AF		 2943 if (new_inode_size > fs->blocksize) {
2944 fprintf(stderr, _("Invalid inode size %lu (max %d)\n"),
2945 new_inode_size, fs->blocksize);
2946 rc = 1;
2947 goto closefs;
d887f88d 2948 }
62e0d34b
DW		 2949 check_fsck_needed(fs,
2950 _("Resizing inodes could take some time."));
d887f88d
TT		 2951 /*
2952 * If inode resize is requested use the
2953 * Undo I/O manager
2954 */
4e222d9b 2955 undo_file = default_undo_file;
f7d05594
DW		 2956 }
2957
2958 /* Set up an undo file */
2959 if (undo_file && io_ptr_orig == NULL) {
d887f88d
TT		 2960 io_ptr_orig = io_ptr;
2961 retval = tune2fs_setup_tdb(device_name, &io_ptr);
0f5eba75
AD		 2962 if (retval) {
2963 rc = 1;
2964 goto closefs;
2965 }
d887f88d 2966 if (io_ptr != io_ptr_orig) {
47fee2ef 2967 ext2fs_close_free(&fs);
d887f88d
TT		 2968 goto retry_open;
2969 }
2970 }
2971
83238153 2972 sb = fs->super;
058ad1c7 2973 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
2be8fe43 2974
83238153
TT		 2975 if (print_label) {
2976 /* For e2label emulation */
c8c071a0
TT		 2977 printf("%.*s\n", (int) sizeof(sb->s_volume_name),
2978 sb->s_volume_name);
a6d8302b 2979 remove_error_table(&et_ext2_error_table);
0f5eba75 2980 goto closefs;
83238153 2981 }
2be8fe43 2982
d06863f0
TT		 2983 retval = ext2fs_check_if_mounted(device_name, &mount_flags);
2984 if (retval) {
2985 com_err("ext2fs_check_if_mount", retval,
2986 _("while determining whether %s is mounted."),
2987 device_name);
0f5eba75
AD		 2988 rc = 1;
2989 goto closefs;
b21e38a0 2990 }
f5eb38e8
TT		 2991
2992#ifdef NO_RECOVERY
2993 /* Warn if file system needs recovery and it is opened for writing. */
2994 if ((open_flag & EXT2_FLAG_RW) && !(mount_flags & EXT2_MF_MOUNTED) &&
2995 (sb->s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
2996 (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER)) {
2997 fprintf(stderr,
2998_("Warning: The journal is dirty. You may wish to replay the journal like:\n\n"
2999 "\te2fsck -E journal_only %s\n\n"
3000 "then rerun this command. Otherwise, any changes made may be overwritten\n"
3001 "by journal recovery.\n"), device_name);
3002 }
3003#else
3004 /* Recover the journal if possible. */
3005 if ((open_flag & EXT2_FLAG_RW) && !(mount_flags & (EXT2_MF_BUSY | EXT2_MF_MOUNTED)) &&
3006 ext2fs_has_feature_journal_needs_recovery(fs->super)) {
3007 errcode_t err;
3008
3009 printf(_("Recovering journal.\n"));
3010 err = ext2fs_run_ext3_journal(&fs);
3011 if (err) {
3012 com_err("tune2fs", err, "while recovering journal.\n");
3013 printf(_("Please run e2fsck -fy %s.\n"), argv[1]);
3014 if (fs)
3015 ext2fs_close_free(&fs);
3016 exit(1);
3017 }
ed50488e 3018 sb = fs->super;
f5eb38e8
TT		 3019 }
3020#endif
3021
63985320
TT		 3022 /* Normally we only need to write out the superblock */
3023 fs->flags |= EXT2_FLAG_SUPER_ONLY;
3839e657 3024
1e3472c5 3025 if (c_flag) {
b21e38a0 3026 sb->s_max_mnt_count = max_mount_count;
3839e657 3027 ext2fs_mark_super_dirty(fs);
ec43da2f
TT		 3028 printf(_("Setting maximal mount count to %d\n"),
3029 max_mount_count);
3839e657 3030 }
1e3472c5 3031 if (C_flag) {
b21e38a0 3032 sb->s_mnt_count = mount_count;
1e3472c5 3033 ext2fs_mark_super_dirty(fs);
ec43da2f 3034 printf(_("Setting current mount count to %d\n"), mount_count);
1e3472c5
TT		 3035 }
3036 if (e_flag) {
b21e38a0 3037 sb->s_errors = errors;
3839e657 3038 ext2fs_mark_super_dirty(fs);
ec43da2f 3039 printf(_("Setting error behavior to %d\n"), errors);
3839e657 3040 }
b21e38a0
TT		 3041 if (g_flag) {
3042 sb->s_def_resgid = resgid;
f3db3566 3043 ext2fs_mark_super_dirty(fs);
ec43da2f 3044 printf(_("Setting reserved blocks gid to %lu\n"), resgid);
f3db3566 3045 }
818180cd 3046 if (i_flag) {
d8f401b1 3047 if ((unsigned long long)interval >= (1ULL << 32)) {
2972b163
KM		 3048 com_err(program_name, 0,
3049 _("interval between checks is too big (%lu)"),
3050 interval);
0f5eba75
AD		 3051 rc = 1;
3052 goto closefs;
2972b163 3053 }
b21e38a0 3054 sb->s_checkinterval = interval;
3839e657 3055 ext2fs_mark_super_dirty(fs);
ec43da2f
TT		 3056 printf(_("Setting interval between checks to %lu seconds\n"),
3057 interval);
3839e657 3058 }
818180cd 3059 if (m_flag) {
4efbac6f
VAH		 3060 ext2fs_r_blocks_count_set(sb, reserved_ratio *
3061 ext2fs_blocks_count(sb) / 100.0);
3839e657 3062 ext2fs_mark_super_dirty(fs);
4efbac6f
VAH		 3063 printf (_("Setting reserved blocks percentage to %g%% (%llu blocks)\n"),
3064 reserved_ratio, ext2fs_r_blocks_count(sb));
3839e657 3065 }
818180cd 3066 if (r_flag) {
3977a4ff 3067 if (reserved_blocks > ext2fs_blocks_count(sb)/2) {
ec43da2f 3068 com_err(program_name, 0,
4efbac6f 3069 _("reserved blocks count is too big (%llu)"),
ec43da2f 3070 reserved_blocks);
0f5eba75
AD		 3071 rc = 1;
3072 goto closefs;
f3db3566 3073 }
4efbac6f 3074 ext2fs_r_blocks_count_set(sb, reserved_blocks);
f3db3566 3075 ext2fs_mark_super_dirty(fs);
4efbac6f 3076 printf(_("Setting reserved blocks count to %llu\n"),
ec43da2f 3077 reserved_blocks);
f3db3566 3078 }
521e3685 3079 if (s_flag == 1) {
7889640d 3080 if (ext2fs_has_feature_sparse_super(sb)) {
54434927
TT		 3081 fputs(_("\nThe filesystem already has sparse "
3082 "superblocks.\n"), stderr);
7889640d 3083 } else if (ext2fs_has_feature_meta_bg(sb)) {
9e7294d3
AF		 3084 fputs(_("\nSetting the sparse superblock flag not "
3085 "supported\nfor filesystems with "
3086 "the meta_bg feature enabled.\n"),
3087 stderr);
3088 rc = 1;
3089 goto closefs;
3090 } else {
7889640d 3091 ext2fs_set_feature_sparse_super(sb);
b21e38a0 3092 sb->s_state &= ~EXT2_VALID_FS;
521e3685 3093 ext2fs_mark_super_dirty(fs);
d9c56d3c 3094 printf(_("\nSparse superblock flag set. %s"),
a4fa100c 3095 _(please_fsck));
521e3685 3096 }
521e3685
TT		 3097 }
3098 if (s_flag == 0) {
9e7294d3 3099 fputs(_("\nClearing the sparse superblock flag not supported.\n"),
ff662d5d 3100 stderr);
0f5eba75
AD		 3101 rc = 1;
3102 goto closefs;
521e3685 3103 }
d4de4aa9
TT		 3104 if (T_flag) {
3105 sb->s_lastcheck = last_check_time;
3106 ext2fs_mark_super_dirty(fs);
3107 printf(_("Setting time filesystem last checked to %s\n"),
3108 ctime(&last_check_time));
3109 }
b21e38a0
TT		 3110 if (u_flag) {
3111 sb->s_def_resuid = resuid;
f3db3566 3112 ext2fs_mark_super_dirty(fs);
ec43da2f 3113 printf(_("Setting reserved blocks uid to %lu\n"), resuid);
f3db3566 3114 }
1e3472c5 3115 if (L_flag) {
a789d840 3116 if (strlen(new_label) > sizeof(sb->s_volume_name))
efc6f628 3117 fputs(_("Warning: label too long, truncating.\n"),
54434927 3118 stderr);
1e3472c5
TT		 3119 memset(sb->s_volume_name, 0, sizeof(sb->s_volume_name));
3120 strncpy(sb->s_volume_name, new_label,
3121 sizeof(sb->s_volume_name));
3122 ext2fs_mark_super_dirty(fs);
3123 }
3124 if (M_flag) {
3125 memset(sb->s_last_mounted, 0, sizeof(sb->s_last_mounted));
3126 strncpy(sb->s_last_mounted, new_last_mounted,
3127 sizeof(sb->s_last_mounted));
3128 ext2fs_mark_super_dirty(fs);
3129 }
0f5eba75
AD		 3130 if (mntopts_cmd) {
3131 rc = update_mntopts(fs, mntopts_cmd);
3132 if (rc)
3133 goto closefs;
3134 }
3135 if (features_cmd) {
3136 rc = update_feature_set(fs, features_cmd);
3137 if (rc)
3138 goto closefs;
3139 }
3140 if (extended_cmd) {
3141 rc = parse_extended_opts(fs, extended_cmd);
3142 if (rc)
3143 goto closefs;
3144 if (clear_mmp && !f_flag) {
3145 fputs(_("Error in using clear_mmp. "
3146 "It must be used with -f\n"),
3147 stderr);
3148 goto closefs;
3149 }
3150 }
3151 if (clear_mmp) {
3152 rc = ext2fs_mmp_clear(fs);
3153 goto closefs;
3154 }
3155 if (journal_size || journal_device) {
3156 rc = add_journal(fs);
3157 if (rc)
3158 goto closefs;
3159 }
efc6f628 3160
771e8db9
AK		 3161 if (Q_flag) {
3162 if (mount_flags & EXT2_MF_MOUNTED) {
3163 fputs(_("The quota feature may only be changed when "
3164 "the filesystem is unmounted.\n"), stderr);
0f5eba75
AD		 3165 rc = 1;
3166 goto closefs;
771e8db9
AK		 3167 }
3168 handle_quota_options(fs);
3169 }
3170
1e3472c5 3171 if (U_flag) {
9d4a4dc2
TT		 3172 int set_csum = 0;
3173 dgrp_t i;
59707c1b 3174 char buf[SUPERBLOCK_SIZE] __attribute__ ((aligned(8)));
0befec4e 3175 __u8 old_uuid[UUID_SIZE];
9d4a4dc2 3176
0eeb17d0
TT		 3177 if (!ext2fs_has_feature_csum_seed(fs->super) &&
3178 (ext2fs_has_feature_metadata_csum(fs->super) ||
3179 ext2fs_has_feature_ea_inode(fs->super))) {
3180 check_fsck_needed(fs,
3181 _("Setting the UUID on this "
3182 "filesystem could take some time."));
3183 rewrite_checksums = 1;
3184 }
3185
2b24aade 3186 if (ext2fs_has_group_desc_csum(fs)) {
7178b571 3187 /*
2be9cd86
DW		 3188 * Changing the UUID on a metadata_csum FS requires
3189 * rewriting all metadata, which can race with a
3190 * mounted fs. Don't allow that unless we're saving
3191 * the checksum seed.
7178b571 3192 */
2be9cd86
DW		 3193 if ((mount_flags & EXT2_MF_MOUNTED) &&
3194 !ext2fs_has_feature_csum_seed(fs->super) &&
3195 ext2fs_has_feature_metadata_csum(fs->super)) {
7178b571
DW		 3196 fputs(_("The UUID may only be "
3197 "changed when the filesystem is "
3198 "unmounted.\n"), stderr);
2be9cd86
DW		 3199 fputs(_("If you only use kernels newer than "
3200 "v4.4, run 'tune2fs -O "
3201 "metadata_csum_seed' and re-run this "
3202 "command.\n"), stderr);
3203 try_confirm_csum_seed_support();
7178b571
DW		 3204 exit(1);
3205 }
7178b571 3206
ec43da2f 3207 /*
9d4a4dc2
TT		 3208 * Determine if the block group checksums are
3209 * correct so we know whether or not to set
3210 * them later on.
3211 */
3212 for (i = 0; i < fs->group_desc_count; i++)
3213 if (!ext2fs_group_desc_csum_verify(fs, i))
3214 break;
3215 if (i >= fs->group_desc_count)
3216 set_csum = 1;
3217 }
9c2c1e9a
AK		 3218
3219 memcpy(old_uuid, sb->s_uuid, UUID_SIZE);
4d0f2283
TT		 3220 if ((strcasecmp(new_UUID, "null") == 0) ||
3221 (strcasecmp(new_UUID, "clear") == 0)) {
1e3472c5 3222 uuid_clear(sb->s_uuid);
63985320
TT		 3223 } else if (strcasecmp(new_UUID, "time") == 0) {
3224 uuid_generate_time(sb->s_uuid);
1e3472c5
TT		 3225 } else if (strcasecmp(new_UUID, "random") == 0) {
3226 uuid_generate(sb->s_uuid);
3227 } else if (uuid_parse(new_UUID, sb->s_uuid)) {
45ff69ff
AD		 3228 com_err(program_name, 0, "%s",
3229 _("Invalid UUID format\n"));
0f5eba75
AD		 3230 rc = 1;
3231 goto closefs;
1e3472c5 3232 }
7178b571 3233 ext2fs_init_csum_seed(fs);
9d4a4dc2
TT		 3234 if (set_csum) {
3235 for (i = 0; i < fs->group_desc_count; i++)
3236 ext2fs_group_desc_csum_set(fs, i);
3237 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
3238 }
7dfefaf4
AK		 3239
3240 /* If this is a journal dev, we need to copy UUID into jsb */
3241 if (!(rc = get_journal_sb(fs, buf))) {
3242 journal_superblock_t *jsb;
3243
3244 jsb = (journal_superblock_t *) buf;
3245 fputs(_("Need to update journal superblock.\n"), stdout);
3246 memcpy(jsb->s_uuid, sb->s_uuid, sizeof(sb->s_uuid));
3247
3248 /* Writeback the journal superblock */
3249 if ((rc = io_channel_write_blk64(fs->io,
3250 ext2fs_journal_sb_start(fs->blocksize),
3251 -SUPERBLOCK_SIZE, buf)))
3252 goto closefs;
3253 } else if (rc != EXT2_ET_UNSUPP_FEATURE)
3254 goto closefs;
9c2c1e9a 3255 else {
7dfefaf4
AK		 3256 rc = 0; /** Reset rc to avoid ext2fs_mmp_stop() */
3257
9c2c1e9a
AK		 3258 if ((rc = fs_update_journal_user(sb, old_uuid)))
3259 goto closefs;
3260 }
3261
1e3472c5
TT		 3262 ext2fs_mark_super_dirty(fs);
3263 }
8386a421 3264
64d588cf
AK		 3265 if (I_flag) {
3266 if (mount_flags & EXT2_MF_MOUNTED) {
3267 fputs(_("The inode size may only be "
3268 "changed when the filesystem is "
3269 "unmounted.\n"), stderr);
0f5eba75
AD		 3270 rc = 1;
3271 goto closefs;
64d588cf 3272 }
7889640d 3273 if (ext2fs_has_feature_flex_bg(fs->super)) {
ec43da2f
TT		 3274 fputs(_("Changing the inode size not supported for "
3275 "filesystems with the flex_bg\n"
3276 "feature enabled.\n"),
5bf81bae 3277 stderr);
0f5eba75
AD		 3278 rc = 1;
3279 goto closefs;
5bf81bae 3280 }
64d588cf
AK		 3281 /*
3282 * We want to update group descriptor also
3283 * with the new free inode count
3284 */
dd3ffbc9
DW		 3285 if (rewrite_checksums)
3286 fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
64d588cf 3287 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
dd3ffbc9
DW		 3288 retval = resize_inode(fs, new_inode_size);
3289 if (rewrite_checksums)
3290 fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
3291 if (retval == 0) {
ec43da2f 3292 printf(_("Setting inode size %lu\n"),
64d588cf 3293 new_inode_size);
8386a421 3294 rewrite_checksums = 1;
c3ecabe6 3295 } else {
45ff69ff 3296 printf("%s", _("Failed to change inode size\n"));
0f5eba75
AD		 3297 rc = 1;
3298 goto closefs;
64d588cf
AK		 3299 }
3300 }
1e3472c5 3301
8386a421
XW		 3302 if (rewrite_checksums)
3303 rewrite_metadata_checksums(fs);
3304
3839e657 3305 if (l_flag)
ec43da2f 3306 list_super(sb);
0c17cb25
TT		 3307 if (stride_set) {
3308 sb->s_raid_stride = stride;
3309 ext2fs_mark_super_dirty(fs);
3310 printf(_("Setting stride size to %d\n"), stride);
3311 }
3312 if (stripe_width_set) {
3313 sb->s_raid_stripe_width = stripe_width;
3314 ext2fs_mark_super_dirty(fs);
3315 printf(_("Setting stripe width to %d\n"), stripe_width);
3316 }
9a976ac7 3317 if (ext_mount_opts) {
6b56f3d9 3318 strncpy((char *)(fs->super->s_mount_opts), ext_mount_opts,
9a976ac7
TT		 3319 sizeof(fs->super->s_mount_opts));
3320 fs->super->s_mount_opts[sizeof(fs->super->s_mount_opts)-1] = 0;
3321 ext2fs_mark_super_dirty(fs);
3322 printf(_("Setting extended default mount options to '%s'\n"),
3323 ext_mount_opts);
3324 free(ext_mount_opts);
3325 }
c5b3ae7f 3326
1acde2b2 3327 free(device_name);
a6d8302b 3328 remove_error_table(&et_ext2_error_table);
0f5eba75
AD		 3329
3330closefs:
3331 if (rc) {
3332 ext2fs_mmp_stop(fs);
273c2c5d 3333#ifndef BUILD_AS_LIB
0f5eba75 3334 exit(1);
273c2c5d 3335#endif
0f5eba75
AD		 3336 }
3337
6ae16a68
TT		 3338 if (feature_64bit)
3339 convert_64bit(fs, feature_64bit);
47fee2ef 3340 return (ext2fs_close_free(&fs) ? 1 : 0);
3839e657 3341}
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