2 * tune2fs.c - Change the file system parameters on an ext2 file system
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)
8 * Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o.
11 * This file may be redistributed under the terms of the GNU Public
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)
28 #define _XOPEN_SOURCE 600 /* for inclusion of strptime() */
44 #include <strings.h> /* for strcasecmp() */
46 #define _BSD_SOURCE /* for inclusion of strcasecmp() via <string.h> */
47 #define _DEFAULT_SOURCE /* since glibc 2.20 _BSD_SOURCE is deprecated */
52 #include <sys/types.h>
56 #include "ext2fs/ext2_fs.h"
57 #include "ext2fs/ext2fs.h"
58 #include "ext2fs/kernel-jbd.h"
59 #include "et/com_err.h"
60 #include "support/plausible.h"
61 #include "support/quotaio.h"
62 #include "uuid/uuid.h"
65 #include "blkid/blkid.h"
67 #include "../version.h"
68 #include "support/nls-enable.h"
70 #define QOPT_ENABLE (1)
71 #define QOPT_DISABLE (-1)
73 extern int ask_yn(const char *string, int def);
75 const char *program_name = "tune2fs";
77 char *new_label, *new_last_mounted, *new_UUID;
79 static int c_flag, C_flag, e_flag, f_flag, g_flag, i_flag, l_flag, L_flag;
80 static int m_flag, M_flag, Q_flag, r_flag, s_flag = -1, u_flag, U_flag, T_flag;
83 static time_t last_check_time;
84 static int print_label;
85 static int max_mount_count, mount_count, mount_flags;
86 static unsigned long interval;
87 static blk64_t reserved_blocks;
88 static double reserved_ratio;
89 static unsigned long resgid, resuid;
90 static unsigned short errors;
92 static char *features_cmd;
93 static char *mntopts_cmd;
94 static int stride, stripe_width;
95 static int stride_set, stripe_width_set;
96 static char *extended_cmd;
97 static unsigned long new_inode_size;
98 static char *ext_mount_opts;
99 static int quota_enable[MAXQUOTAS];
100 static int rewrite_checksums;
101 static int feature_64bit;
102 static int fsck_requested;
103 static char *undo_file;
105 int journal_size, journal_flags;
106 char *journal_device;
107 static blk64_t journal_location = ~0LL;
109 static struct list_head blk_move_list;
112 struct list_head list;
117 errcode_t ext2fs_run_ext3_journal(ext2_filsys *fs);
119 static const char *fsck_explain = N_("\nThis operation requires a freshly checked filesystem.\n");
121 static const char *please_fsck = N_("Please run e2fsck -f on the filesystem.\n");
122 static const char *please_dir_fsck =
123 N_("Please run e2fsck -fD on the filesystem.\n");
125 #ifdef CONFIG_BUILD_FINDFS
126 void do_findfs(int argc, char **argv);
129 #ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jbd-debug */
130 int journal_enable_debug = -1;
133 static void usage(void)
136 _("Usage: %s [-c max_mounts_count] [-e errors_behavior] [-f] "
138 "\t[-i interval[d|m|w]] [-j] [-J journal_options] [-l]\n"
139 "\t[-m reserved_blocks_percent] [-o [^]mount_options[,...]]\n"
140 "\t[-r reserved_blocks_count] [-u user] [-C mount_count]\n"
141 "\t[-L volume_label] [-M last_mounted_dir]\n"
142 "\t[-O [^]feature[,...]] [-Q quota_options]\n"
143 "\t[-E extended-option[,...]] [-T last_check_time] "
144 "[-U UUID]\n\t[-I new_inode_size] [-z undo_file] device\n"),
149 static __u32 ok_features[3] = {
151 EXT3_FEATURE_COMPAT_HAS_JOURNAL |
152 EXT2_FEATURE_COMPAT_DIR_INDEX,
154 EXT2_FEATURE_INCOMPAT_FILETYPE |
155 EXT3_FEATURE_INCOMPAT_EXTENTS |
156 EXT4_FEATURE_INCOMPAT_FLEX_BG |
157 EXT4_FEATURE_INCOMPAT_EA_INODE|
158 EXT4_FEATURE_INCOMPAT_MMP |
159 EXT4_FEATURE_INCOMPAT_64BIT |
160 EXT4_FEATURE_INCOMPAT_ENCRYPT |
161 EXT4_FEATURE_INCOMPAT_CSUM_SEED |
162 EXT4_FEATURE_INCOMPAT_LARGEDIR,
164 EXT2_FEATURE_RO_COMPAT_LARGE_FILE |
165 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
166 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
167 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
168 EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
169 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER |
170 EXT4_FEATURE_RO_COMPAT_QUOTA |
171 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM |
172 EXT4_FEATURE_RO_COMPAT_READONLY |
173 EXT4_FEATURE_RO_COMPAT_PROJECT |
174 EXT4_FEATURE_RO_COMPAT_VERITY
177 static __u32 clear_ok_features[3] = {
179 EXT3_FEATURE_COMPAT_HAS_JOURNAL |
180 EXT2_FEATURE_COMPAT_RESIZE_INODE |
181 EXT2_FEATURE_COMPAT_DIR_INDEX,
183 EXT2_FEATURE_INCOMPAT_FILETYPE |
184 EXT4_FEATURE_INCOMPAT_FLEX_BG |
185 EXT4_FEATURE_INCOMPAT_MMP |
186 EXT4_FEATURE_INCOMPAT_64BIT |
187 EXT4_FEATURE_INCOMPAT_CSUM_SEED,
189 EXT2_FEATURE_RO_COMPAT_LARGE_FILE |
190 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
191 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
192 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
193 EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
194 EXT4_FEATURE_RO_COMPAT_QUOTA |
195 EXT4_FEATURE_RO_COMPAT_PROJECT |
196 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM |
197 EXT4_FEATURE_RO_COMPAT_READONLY
201 * Try to get journal super block if any
203 static int get_journal_sb(ext2_filsys jfs, char buf[SUPERBLOCK_SIZE])
206 journal_superblock_t *jsb;
208 if (!ext2fs_has_feature_journal_dev(jfs->super)) {
209 return EXT2_ET_UNSUPP_FEATURE;
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"));
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;
230 static __u8 *journal_user(__u8 uuid[UUID_SIZE], __u8 s_users[JFS_USERS_SIZE],
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];
243 * Remove an external journal from the filesystem
245 static int remove_journal_device(ext2_filsys fs)
249 char buf[SUPERBLOCK_SIZE] __attribute__ ((aligned(8)));
250 journal_superblock_t *jsb;
253 int commit_remove_journal = 0;
257 commit_remove_journal = 1; /* force removal even if error */
259 uuid_unparse(fs->super->s_journal_uuid, buf);
260 journal_path = blkid_get_devname(NULL, "UUID", buf);
264 ext2fs_find_block_device(fs->super->s_journal_dev);
266 goto no_valid_journal;
269 #ifdef CONFIG_TESTIO_DEBUG
270 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
271 io_ptr = test_io_manager;
272 test_io_backing_manager = unix_io_manager;
275 io_ptr = unix_io_manager;
276 retval = ext2fs_open(journal_path, EXT2_FLAG_RW|
277 EXT2_FLAG_JOURNAL_DEV_OK, 0,
278 fs->blocksize, io_ptr, &jfs);
280 com_err(program_name, retval, "%s",
281 _("while trying to open external journal"));
282 goto no_valid_journal;
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"),
289 goto no_valid_journal;
292 jsb = (journal_superblock_t *) buf;
293 /* Find the filesystem UUID */
294 nr_users = ntohl(jsb->s_nr_users);
296 if (!journal_user(fs->super->s_uuid, jsb->s_users, nr_users)) {
297 fputs(_("Filesystem's UUID not found on journal device.\n"),
299 commit_remove_journal = 1;
300 goto no_valid_journal;
303 for (i = 0; i < nr_users; i++)
304 memcpy(&jsb->s_users[i * 16], &jsb->s_users[(i + 1) * 16], 16);
305 jsb->s_nr_users = htonl(nr_users);
307 /* Write back the journal superblock */
308 retval = io_channel_write_blk64(jfs->io,
309 ext2fs_journal_sb_start(fs->blocksize),
310 -SUPERBLOCK_SIZE, buf);
312 com_err(program_name, retval,
313 "while writing journal superblock.");
314 goto no_valid_journal;
317 commit_remove_journal = 1;
320 if (commit_remove_journal == 0) {
321 fputs(_("Cannot locate journal device. It was NOT removed\n"
322 "Use -f option to remove missing journal device.\n"),
326 fs->super->s_journal_dev = 0;
327 memset(fs->super->s_jnl_blocks, 0, sizeof(fs->super->s_jnl_blocks));
328 uuid_clear(fs->super->s_journal_uuid);
329 ext2fs_mark_super_dirty(fs);
330 fputs(_("Journal removed\n"), stdout);
336 /* Helper function for remove_journal_inode */
337 static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
338 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
339 blk64_t ref_block EXT2FS_ATTR((unused)),
340 int ref_offset EXT2FS_ATTR((unused)),
341 void *private EXT2FS_ATTR((unused)))
347 ext2fs_unmark_block_bitmap2(fs->block_map, block);
348 group = ext2fs_group_of_blk2(fs, block);
349 ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
350 ext2fs_group_desc_csum_set(fs, group);
351 ext2fs_free_blocks_count_add(fs->super, EXT2FS_CLUSTER_RATIO(fs));
356 * Remove the journal inode from the filesystem
358 static errcode_t remove_journal_inode(ext2_filsys fs)
360 struct ext2_inode inode;
362 ino_t ino = fs->super->s_journal_inum;
364 retval = ext2fs_read_inode(fs, ino, &inode);
366 com_err(program_name, retval, "%s",
367 _("while reading journal inode"));
370 if (ino == EXT2_JOURNAL_INO) {
371 retval = ext2fs_read_bitmaps(fs);
373 com_err(program_name, retval, "%s",
374 _("while reading bitmaps"));
377 retval = ext2fs_block_iterate3(fs, ino,
378 BLOCK_FLAG_READ_ONLY, NULL,
379 release_blocks_proc, NULL);
381 com_err(program_name, retval, "%s",
382 _("while clearing journal inode"));
385 memset(&inode, 0, sizeof(inode));
386 ext2fs_mark_bb_dirty(fs);
387 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
389 inode.i_flags &= ~EXT2_IMMUTABLE_FL;
390 retval = ext2fs_write_inode(fs, ino, &inode);
392 com_err(program_name, retval, "%s",
393 _("while writing journal inode"));
396 fs->super->s_journal_inum = 0;
397 memset(fs->super->s_jnl_blocks, 0, sizeof(fs->super->s_jnl_blocks));
398 ext2fs_mark_super_dirty(fs);
404 * Update the default mount options
406 static int update_mntopts(ext2_filsys fs, char *mntopts)
408 struct ext2_super_block *sb = fs->super;
410 if (e2p_edit_mntopts(mntopts, &sb->s_default_mount_opts, ~0)) {
411 fprintf(stderr, _("Invalid mount option set: %s\n"),
415 ext2fs_mark_super_dirty(fs);
420 static void check_fsck_needed(ext2_filsys fs, const char *prompt)
422 /* Refuse to modify anything but a freshly checked valid filesystem. */
423 if (!(fs->super->s_state & EXT2_VALID_FS) ||
424 (fs->super->s_state & EXT2_ERROR_FS) ||
425 (fs->super->s_lastcheck < fs->super->s_mtime)) {
426 puts(_(fsck_explain));
427 puts(_(please_fsck));
428 if (mount_flags & EXT2_MF_READONLY)
429 printf("%s", _("(and reboot afterwards!)\n"));
433 /* Give the admin a few seconds to bail out of a dangerous op. */
434 if (!getenv("TUNE2FS_FORCE_PROMPT") && (!isatty(0) || !isatty(1)))
441 static void request_dir_fsck_afterwards(ext2_filsys fs)
443 static int requested;
448 fs->super->s_state &= ~EXT2_VALID_FS;
449 puts(_(fsck_explain));
450 puts(_(please_dir_fsck));
451 if (mount_flags & EXT2_MF_READONLY)
452 printf("%s", _("(and reboot afterwards!)\n"));
455 static void request_fsck_afterwards(ext2_filsys fs)
457 static int requested = 0;
462 fs->super->s_state &= ~EXT2_VALID_FS;
463 printf("\n%s\n", _(please_fsck));
464 if (mount_flags & EXT2_MF_READONLY)
465 printf("%s", _("(and reboot afterwards!)\n"));
468 static void convert_64bit(ext2_filsys fs, int direction)
471 * Is resize2fs going to demand a fsck run? Might as well tell the
474 if (!fsck_requested &&
475 ((fs->super->s_state & EXT2_ERROR_FS) ||
476 !(fs->super->s_state & EXT2_VALID_FS) ||
477 fs->super->s_lastcheck < fs->super->s_mtime))
478 request_fsck_afterwards(fs);
480 fprintf(stderr, _("After running e2fsck, please run `resize2fs %s %s"),
481 direction > 0 ? "-b" : "-s", fs->device_name);
483 fprintf(stderr, _("Please run `resize2fs %s %s"),
484 direction > 0 ? "-b" : "-s", fs->device_name);
487 fprintf(stderr, _(" -z \"%s\""), undo_file);
489 fprintf(stderr, _("' to enable 64-bit mode.\n"));
491 fprintf(stderr, _("' to disable 64-bit mode.\n"));
494 /* Rewrite extents */
495 static errcode_t rewrite_extents(ext2_filsys fs, ext2_ino_t ino,
496 struct ext2_inode *inode)
498 ext2_extent_handle_t handle;
499 struct ext2fs_extent extent;
501 struct ext2_extent_info info;
503 if (!(inode->i_flags & EXT4_EXTENTS_FL) ||
504 !ext2fs_has_feature_metadata_csum(fs->super))
507 errcode = ext2fs_extent_open(fs, ino, &handle);
511 errcode = ext2fs_extent_get(handle, EXT2_EXTENT_ROOT, &extent);
516 errcode = ext2fs_extent_get_info(handle, &info);
521 * If this is the first extent in an extent block that we
522 * haven't visited, rewrite the extent to force the ETB
523 * checksum to be rewritten.
525 if (info.curr_entry == 1 && info.curr_level != 0 &&
526 !(extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)) {
527 errcode = ext2fs_extent_replace(handle, 0, &extent);
532 /* Skip to the end of a block of leaf nodes */
533 if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
534 errcode = ext2fs_extent_get(handle,
535 EXT2_EXTENT_LAST_SIB,
541 errcode = ext2fs_extent_get(handle, EXT2_EXTENT_NEXT, &extent);
542 } while (errcode == 0);
545 /* Ok if we run off the end */
546 if (errcode == EXT2_ET_EXTENT_NO_NEXT)
548 ext2fs_extent_free(handle);
553 * Rewrite directory blocks with checksums
555 struct rewrite_dir_context {
562 static int rewrite_dir_block(ext2_filsys fs,
564 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
565 blk64_t ref_block EXT2FS_ATTR((unused)),
566 int ref_offset EXT2FS_ATTR((unused)),
569 struct ext2_dx_countlimit *dcl = NULL;
570 struct rewrite_dir_context *ctx = priv_data;
571 int dcl_offset, changed = 0;
573 ctx->errcode = ext2fs_read_dir_block4(fs, *blocknr, ctx->buf, 0,
578 /* if htree node... */
580 ext2fs_get_dx_countlimit(fs, (struct ext2_dir_entry *)ctx->buf,
583 if (!ext2fs_has_feature_metadata_csum(fs->super)) {
584 /* Ensure limit is the max size */
585 int max_entries = (fs->blocksize - dcl_offset) /
586 sizeof(struct ext2_dx_entry);
587 if (ext2fs_le16_to_cpu(dcl->limit) != max_entries) {
589 dcl->limit = ext2fs_cpu_to_le16(max_entries);
592 /* If htree block is full then rebuild the dir */
593 if (ext2fs_le16_to_cpu(dcl->count) ==
594 ext2fs_le16_to_cpu(dcl->limit)) {
595 request_dir_fsck_afterwards(fs);
599 * Ensure dcl->limit is small enough to leave room for
602 int max_entries = (fs->blocksize - (dcl_offset +
603 sizeof(struct ext2_dx_tail))) /
604 sizeof(struct ext2_dx_entry);
605 if (ext2fs_le16_to_cpu(dcl->limit) != max_entries)
606 dcl->limit = ext2fs_cpu_to_le16(max_entries);
607 /* Always rewrite checksum */
611 unsigned int rec_len, name_size;
612 char *top = ctx->buf + fs->blocksize;
613 struct ext2_dir_entry *de = (struct ext2_dir_entry *)ctx->buf;
614 struct ext2_dir_entry *last_de = NULL, *penultimate_de = NULL;
616 /* Find last and penultimate dirent */
617 while ((char *)de < top) {
618 penultimate_de = last_de;
620 ctx->errcode = ext2fs_get_rec_len(fs, de, &rec_len);
621 if (!ctx->errcode && !rec_len)
622 ctx->errcode = EXT2_ET_DIR_CORRUPTED;
625 de = (struct ext2_dir_entry *)(((char *)de) + rec_len);
627 ctx->errcode = ext2fs_get_rec_len(fs, last_de, &rec_len);
630 name_size = ext2fs_dirent_name_len(last_de);
632 if (!ext2fs_has_feature_metadata_csum(fs->super)) {
635 if (last_de->inode ||
637 rec_len != sizeof(struct ext2_dir_entry_tail))
640 * The last dirent is unused and the right length to
641 * have stored a checksum. Erase it.
643 ctx->errcode = ext2fs_get_rec_len(fs, penultimate_de,
646 ctx->errcode = EXT2_ET_DIR_CORRUPTED;
649 ext2fs_set_rec_len(fs, rec_len +
650 sizeof(struct ext2_dir_entry_tail),
654 unsigned csum_size = sizeof(struct ext2_dir_entry_tail);
655 struct ext2_dir_entry_tail *t;
658 * If the last dirent looks like the tail, just update
661 if (!last_de->inode &&
662 rec_len == csum_size) {
663 t = (struct ext2_dir_entry_tail *)last_de;
664 t->det_reserved_name_len =
665 EXT2_DIR_NAME_LEN_CSUM;
670 name_size = (name_size & ~3) + 4;
671 /* If there's not enough space for the tail, e2fsck */
672 if (rec_len <= (8 + name_size + csum_size)) {
673 request_dir_fsck_afterwards(fs);
676 /* Shorten that last de and insert the tail */
677 ext2fs_set_rec_len(fs, rec_len - csum_size, last_de);
678 t = EXT2_DIRENT_TAIL(ctx->buf, fs->blocksize);
679 ext2fs_initialize_dirent_tail(fs, t);
681 /* Always update checksum */
690 ctx->errcode = ext2fs_write_dir_block4(fs, *blocknr, ctx->buf,
698 static errcode_t rewrite_directory(ext2_filsys fs, ext2_ino_t dir,
699 struct ext2_inode *inode)
702 struct rewrite_dir_context ctx;
704 retval = ext2fs_get_mem(fs->blocksize, &ctx.buf);
708 ctx.is_htree = (inode->i_flags & EXT2_INDEX_FL);
711 retval = ext2fs_block_iterate3(fs, dir, BLOCK_FLAG_READ_ONLY |
712 BLOCK_FLAG_DATA_ONLY,
713 0, rewrite_dir_block, &ctx);
715 ext2fs_free_mem(&ctx.buf);
723 * Context information that does not change across rewrite_one_inode()
726 struct rewrite_context {
728 struct ext2_inode *zero_inode;
733 #define fatal_err(code, args...) \
735 com_err(__func__, code, args); \
739 static void update_ea_inode_hash(struct rewrite_context *ctx, ext2_ino_t ino,
740 struct ext2_inode *inode)
746 retval = ext2fs_file_open(ctx->fs, ino, 0, &file);
748 fatal_err(retval, "open ea_inode");
749 retval = ext2fs_file_read(file, ctx->ea_buf, inode->i_size,
752 fatal_err(retval, "read ea_inode");
753 retval = ext2fs_file_close(file);
755 fatal_err(retval, "close ea_inode");
757 hash = ext2fs_crc32c_le(ctx->fs->csum_seed,
758 (unsigned char *) ctx->ea_buf, inode->i_size);
759 ext2fs_set_ea_inode_hash(inode, hash);
762 static int update_xattr_entry_hashes(ext2_filsys fs,
763 struct ext2_ext_attr_entry *entry,
764 struct ext2_ext_attr_entry *end)
769 while (entry < end && !EXT2_EXT_IS_LAST_ENTRY(entry)) {
770 if (entry->e_value_inum) {
771 retval = ext2fs_ext_attr_hash_entry2(fs, entry, NULL,
774 fatal_err(retval, "hash ea_inode entry");
777 entry = EXT2_EXT_ATTR_NEXT(entry);
782 static void update_inline_xattr_hashes(struct rewrite_context *ctx,
783 struct ext2_inode_large *inode)
785 struct ext2_ext_attr_entry *start, *end;
788 if (inode->i_extra_isize == 0)
791 if (inode->i_extra_isize & 3 ||
792 inode->i_extra_isize > ctx->inode_size - EXT2_GOOD_OLD_INODE_SIZE)
793 fatal_err(EXT2_ET_INODE_CORRUPTED, "bad i_extra_isize")
795 ea_magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE +
796 inode->i_extra_isize);
797 if (*ea_magic != EXT2_EXT_ATTR_MAGIC)
800 start = (struct ext2_ext_attr_entry *)(ea_magic + 1);
801 end = (struct ext2_ext_attr_entry *)((char *)inode + ctx->inode_size);
803 update_xattr_entry_hashes(ctx->fs, start, end);
806 static void update_block_xattr_hashes(struct rewrite_context *ctx,
809 struct ext2_ext_attr_header *header;
810 struct ext2_ext_attr_entry *start, *end;
812 header = (struct ext2_ext_attr_header *)block_buf;
813 if (header->h_magic != EXT2_EXT_ATTR_MAGIC)
816 start = (struct ext2_ext_attr_entry *)(header+1);
817 end = (struct ext2_ext_attr_entry *)(block_buf + ctx->fs->blocksize);
819 if (update_xattr_entry_hashes(ctx->fs, start, end))
820 ext2fs_ext_attr_block_rehash(header, end);
823 static void rewrite_one_inode(struct rewrite_context *ctx, ext2_ino_t ino,
824 struct ext2_inode *inode)
826 blk64_t file_acl_block;
829 if (!ext2fs_test_inode_bitmap2(ctx->fs->inode_map, ino)) {
830 if (!memcmp(inode, ctx->zero_inode, ctx->inode_size))
832 memset(inode, 0, ctx->inode_size);
835 if (inode->i_flags & EXT4_EA_INODE_FL)
836 update_ea_inode_hash(ctx, ino, inode);
838 if (ctx->inode_size != EXT2_GOOD_OLD_INODE_SIZE)
839 update_inline_xattr_hashes(ctx,
840 (struct ext2_inode_large *)inode);
842 retval = ext2fs_write_inode_full(ctx->fs, ino, inode, ctx->inode_size);
844 fatal_err(retval, "while writing inode");
846 retval = rewrite_extents(ctx->fs, ino, inode);
848 fatal_err(retval, "while rewriting extents");
850 if (LINUX_S_ISDIR(inode->i_mode) &&
851 ext2fs_inode_has_valid_blocks2(ctx->fs, inode)) {
852 retval = rewrite_directory(ctx->fs, ino, inode);
854 fatal_err(retval, "while rewriting directories");
857 file_acl_block = ext2fs_file_acl_block(ctx->fs, inode);
861 retval = ext2fs_read_ext_attr3(ctx->fs, file_acl_block, ctx->ea_buf,
864 fatal_err(retval, "while rewriting extended attribute");
866 update_block_xattr_hashes(ctx, ctx->ea_buf);
867 retval = ext2fs_write_ext_attr3(ctx->fs, file_acl_block, ctx->ea_buf,
870 fatal_err(retval, "while rewriting extended attribute");
874 * Forcibly set checksums in all inodes.
876 static void rewrite_inodes(ext2_filsys fs)
878 ext2_inode_scan scan;
881 struct ext2_inode *inode;
883 struct rewrite_context ctx = {
885 .inode_size = EXT2_INODE_SIZE(fs->super),
888 if (fs->super->s_creator_os == EXT2_OS_HURD)
891 retval = ext2fs_get_mem(ctx.inode_size, &inode);
893 fatal_err(retval, "while allocating memory");
895 retval = ext2fs_get_memzero(ctx.inode_size, &ctx.zero_inode);
897 fatal_err(retval, "while allocating memory");
899 retval = ext2fs_get_mem(64 * 1024, &ctx.ea_buf);
901 fatal_err(retval, "while allocating memory");
904 * Extended attribute inodes have a lookup hash that needs to be
905 * recalculated with the new csum_seed. Other inodes referencing xattr
906 * inodes need this value to be up to date. That's why we do two passes:
908 * pass 1: update xattr inodes to update their lookup hash as well as
911 * pass 2: go over other inodes to update their checksums.
913 if (ext2fs_has_feature_ea_inode(fs->super))
917 for (;pass <= 2; pass++) {
918 retval = ext2fs_open_inode_scan(fs, 0, &scan);
920 fatal_err(retval, "while opening inode scan");
923 retval = ext2fs_get_next_inode_full(scan, &ino, inode,
926 fatal_err(retval, "while getting next inode");
931 (inode->i_flags & EXT4_EA_INODE_FL)) ||
933 !(inode->i_flags & EXT4_EA_INODE_FL)))
934 rewrite_one_inode(&ctx, ino, inode);
937 ext2fs_close_inode_scan(scan);
940 ext2fs_free_mem(&ctx.zero_inode);
941 ext2fs_free_mem(&ctx.ea_buf);
942 ext2fs_free_mem(&inode);
945 static void rewrite_metadata_checksums(ext2_filsys fs)
950 fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
951 ext2fs_init_csum_seed(fs);
952 for (i = 0; i < fs->group_desc_count; i++)
953 ext2fs_group_desc_csum_set(fs, i);
954 retval = ext2fs_read_bitmaps(fs);
956 fatal_err(retval, "while reading bitmaps");
958 ext2fs_mark_ib_dirty(fs);
959 ext2fs_mark_bb_dirty(fs);
960 ext2fs_mmp_update2(fs, 1);
961 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
962 fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
963 if (ext2fs_has_feature_metadata_csum(fs->super))
964 fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
966 fs->super->s_checksum_type = 0;
967 ext2fs_mark_super_dirty(fs);
970 static void enable_uninit_bg(ext2_filsys fs)
972 struct ext2_group_desc *gd;
975 for (i = 0; i < fs->group_desc_count; i++) {
976 gd = ext2fs_group_desc(fs, fs->group_desc, i);
977 gd->bg_itable_unused = 0;
978 gd->bg_flags = EXT2_BG_INODE_ZEROED;
979 ext2fs_group_desc_csum_set(fs, i);
981 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
984 static errcode_t zero_empty_inodes(ext2_filsys fs)
986 int length = EXT2_INODE_SIZE(fs->super);
987 struct ext2_inode *inode = NULL;
988 ext2_inode_scan scan;
992 retval = ext2fs_open_inode_scan(fs, 0, &scan);
996 retval = ext2fs_get_mem(length, &inode);
1001 retval = ext2fs_get_next_inode_full(scan, &ino, inode, length);
1006 if (!ext2fs_test_inode_bitmap2(fs->inode_map, ino)) {
1007 memset(inode, 0, length);
1008 retval = ext2fs_write_inode_full(fs, ino, inode,
1016 ext2fs_free_mem(&inode);
1017 ext2fs_close_inode_scan(scan);
1021 static errcode_t disable_uninit_bg(ext2_filsys fs, __u32 csum_feature_flag)
1023 struct ext2_group_desc *gd;
1028 /* Load bitmaps to ensure that the uninit ones get written out */
1029 fs->super->s_feature_ro_compat |= csum_feature_flag;
1030 retval = ext2fs_read_bitmaps(fs);
1031 fs->super->s_feature_ro_compat &= ~csum_feature_flag;
1033 com_err("disable_uninit_bg", retval,
1034 "while reading bitmaps");
1035 request_fsck_afterwards(fs);
1038 ext2fs_mark_ib_dirty(fs);
1039 ext2fs_mark_bb_dirty(fs);
1041 /* If we're only turning off uninit_bg, zero the inodes */
1042 if (csum_feature_flag == EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
1043 retval = zero_empty_inodes(fs);
1045 com_err("disable_uninit_bg", retval,
1046 "while zeroing unused inodes");
1047 request_fsck_afterwards(fs);
1052 /* The bbitmap is zeroed; we must mark group metadata blocks in use */
1053 for (i = 0; i < fs->group_desc_count; i++) {
1054 b = ext2fs_block_bitmap_loc(fs, i);
1055 ext2fs_mark_block_bitmap2(fs->block_map, b);
1056 b = ext2fs_inode_bitmap_loc(fs, i);
1057 ext2fs_mark_block_bitmap2(fs->block_map, b);
1059 retval = ext2fs_super_and_bgd_loc2(fs, i, &b, &c, &d, NULL);
1060 if (retval == 0 && b)
1061 ext2fs_mark_block_bitmap2(fs->block_map, b);
1062 if (retval == 0 && c)
1063 ext2fs_mark_block_bitmap2(fs->block_map, c);
1064 if (retval == 0 && d)
1065 ext2fs_mark_block_bitmap2(fs->block_map, d);
1067 com_err("disable_uninit_bg", retval,
1068 "while initializing block bitmaps");
1069 request_fsck_afterwards(fs);
1072 gd = ext2fs_group_desc(fs, fs->group_desc, i);
1073 gd->bg_itable_unused = 0;
1075 ext2fs_group_desc_csum_set(fs, i);
1077 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
1078 ext2fs_mark_super_dirty(fs);
1084 try_confirm_csum_seed_support(void)
1086 if (access("/sys/fs/ext4/features/metadata_csum_seed", R_OK))
1087 fputs(_("WARNING: Could not confirm kernel support for "
1088 "metadata_csum_seed.\n This requires Linux >= "
1089 "v4.4.\n"), stderr);
1093 * Update the feature set as provided by the user.
1095 static int update_feature_set(ext2_filsys fs, char *features)
1097 struct ext2_super_block *sb = fs->super;
1098 __u32 old_features[3];
1100 unsigned int mask_err;
1102 enum quota_type qtype;
1104 #define FEATURE_ON(type, mask) (!(old_features[(type)] & (mask)) && \
1105 ((&sb->s_feature_compat)[(type)] & (mask)))
1106 #define FEATURE_OFF(type, mask) ((old_features[(type)] & (mask)) && \
1107 !((&sb->s_feature_compat)[(type)] & (mask)))
1108 #define FEATURE_CHANGED(type, mask) ((mask) & \
1109 (old_features[(type)] ^ (&sb->s_feature_compat)[(type)]))
1111 old_features[E2P_FEATURE_COMPAT] = sb->s_feature_compat;
1112 old_features[E2P_FEATURE_INCOMPAT] = sb->s_feature_incompat;
1113 old_features[E2P_FEATURE_RO_INCOMPAT] = sb->s_feature_ro_compat;
1115 if (e2p_edit_feature2(features, &sb->s_feature_compat,
1116 ok_features, clear_ok_features,
1117 &type_err, &mask_err)) {
1120 _("Invalid filesystem option set: %s\n"),
1122 else if (type_err & E2P_FEATURE_NEGATE_FLAG)
1123 fprintf(stderr, _("Clearing filesystem feature '%s' "
1124 "not supported.\n"),
1125 e2p_feature2string(type_err &
1126 E2P_FEATURE_TYPE_MASK,
1129 fprintf(stderr, _("Setting filesystem feature '%s' "
1130 "not supported.\n"),
1131 e2p_feature2string(type_err, mask_err));
1135 if (FEATURE_OFF(E2P_FEATURE_COMPAT, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
1136 if ((mount_flags & EXT2_MF_MOUNTED) &&
1137 !(mount_flags & EXT2_MF_READONLY)) {
1138 fputs(_("The has_journal feature may only be "
1139 "cleared when the filesystem is\n"
1140 "unmounted or mounted "
1141 "read-only.\n"), stderr);
1144 if (ext2fs_has_feature_journal_needs_recovery(sb) &&
1146 fputs(_("The needs_recovery flag is set. "
1147 "Please run e2fsck before clearing\n"
1148 "the has_journal flag.\n"), stderr);
1151 if (sb->s_journal_inum) {
1152 if (remove_journal_inode(fs))
1155 if (sb->s_journal_dev) {
1156 if (remove_journal_device(fs))
1161 if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
1162 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
1163 if (ext2fs_has_feature_meta_bg(sb)) {
1164 fputs(_("Setting filesystem feature 'sparse_super' "
1165 "not supported\nfor filesystems with "
1166 "the meta_bg feature enabled.\n"),
1172 if (FEATURE_ON(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_MMP)) {
1175 if ((mount_flags & EXT2_MF_MOUNTED) ||
1176 (mount_flags & EXT2_MF_READONLY)) {
1177 fputs(_("The multiple mount protection feature can't\n"
1178 "be set if the filesystem is mounted or\n"
1179 "read-only.\n"), stderr);
1183 error = ext2fs_mmp_init(fs);
1185 fputs(_("\nError while enabling multiple mount "
1186 "protection feature."), stderr);
1191 * We want to update group desc with the new free blocks count
1193 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
1195 printf(_("Multiple mount protection has been enabled "
1196 "with update interval %ds.\n"),
1197 sb->s_mmp_update_interval);
1200 if (FEATURE_OFF(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_MMP)) {
1203 if (mount_flags & EXT2_MF_READONLY) {
1204 fputs(_("The multiple mount protection feature cannot\n"
1205 "be disabled if the filesystem is readonly.\n"),
1210 error = ext2fs_read_bitmaps(fs);
1212 fputs(_("Error while reading bitmaps\n"), stderr);
1216 error = ext2fs_mmp_read(fs, sb->s_mmp_block, NULL);
1218 struct mmp_struct *mmp_cmp = fs->mmp_cmp;
1220 if (error == EXT2_ET_MMP_MAGIC_INVALID)
1221 printf(_("Magic number in MMP block does not "
1222 "match. expected: %x, actual: %x\n"),
1223 EXT4_MMP_MAGIC, mmp_cmp->mmp_magic);
1225 com_err(program_name, error, "%s",
1226 _("while reading MMP block."));
1230 /* We need to force out the group descriptors as well */
1231 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
1232 ext2fs_block_alloc_stats2(fs, sb->s_mmp_block, -1);
1234 sb->s_mmp_block = 0;
1235 sb->s_mmp_update_interval = 0;
1238 if (FEATURE_ON(E2P_FEATURE_COMPAT, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
1240 * If adding a journal flag, let the create journal
1241 * code below handle setting the flag and creating the
1242 * journal. We supply a default size if necessary.
1246 ext2fs_clear_feature_journal(sb);
1249 if (FEATURE_ON(E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_DIR_INDEX)) {
1250 if (!sb->s_def_hash_version)
1251 sb->s_def_hash_version = EXT2_HASH_HALF_MD4;
1252 if (uuid_is_null((unsigned char *) sb->s_hash_seed))
1253 uuid_generate((unsigned char *) sb->s_hash_seed);
1256 if (FEATURE_OFF(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
1257 if (ext2fs_check_desc(fs)) {
1258 fputs(_("Clearing the flex_bg flag would "
1259 "cause the the filesystem to be\n"
1260 "inconsistent.\n"), stderr);
1265 if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1266 EXT4_FEATURE_RO_COMPAT_HUGE_FILE)) {
1267 if ((mount_flags & EXT2_MF_MOUNTED) &&
1268 !(mount_flags & EXT2_MF_READONLY)) {
1269 fputs(_("The huge_file feature may only be "
1270 "cleared when the filesystem is\n"
1271 "unmounted or mounted "
1272 "read-only.\n"), stderr);
1277 if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
1278 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
1279 check_fsck_needed(fs,
1280 _("Enabling checksums could take some time."));
1281 if (mount_flags & EXT2_MF_MOUNTED) {
1282 fputs(_("Cannot enable metadata_csum on a mounted "
1283 "filesystem!\n"), stderr);
1286 if (!ext2fs_has_feature_extents(fs->super))
1288 _("Extents are not enabled. The file extent "
1289 "tree can be checksummed, whereas block maps "
1290 "cannot. Not enabling extents reduces the "
1291 "coverage of metadata checksumming. "
1292 "Re-run with -O extent to rectify.\n"));
1293 if (!ext2fs_has_feature_64bit(fs->super))
1295 _("64-bit filesystem support is not enabled. "
1296 "The larger fields afforded by this feature "
1297 "enable full-strength checksumming. "
1298 "Run resize2fs -b to rectify.\n"));
1299 rewrite_checksums = 1;
1300 /* metadata_csum supersedes uninit_bg */
1301 ext2fs_clear_feature_gdt_csum(fs->super);
1303 /* if uninit_bg was previously off, rewrite group desc */
1304 if (!(old_features[E2P_FEATURE_RO_INCOMPAT] &
1305 EXT4_FEATURE_RO_COMPAT_GDT_CSUM))
1306 enable_uninit_bg(fs);
1309 * Since metadata_csum supersedes uninit_bg, pretend like
1310 * uninit_bg has been off all along.
1312 old_features[E2P_FEATURE_RO_INCOMPAT] &=
1313 ~EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
1316 if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1317 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
1318 __u32 test_features[3];
1320 check_fsck_needed(fs,
1321 _("Disabling checksums could take some time."));
1322 if (mount_flags & EXT2_MF_MOUNTED) {
1323 fputs(_("Cannot disable metadata_csum on a mounted "
1324 "filesystem!\n"), stderr);
1327 rewrite_checksums = 1;
1329 /* Enable uninit_bg unless the user expressly turned it off */
1330 memcpy(test_features, old_features, sizeof(test_features));
1331 test_features[E2P_FEATURE_RO_INCOMPAT] |=
1332 EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
1333 e2p_edit_feature2(features, test_features, ok_features,
1334 clear_ok_features, NULL, NULL);
1335 if (test_features[E2P_FEATURE_RO_INCOMPAT] &
1336 EXT4_FEATURE_RO_COMPAT_GDT_CSUM)
1337 ext2fs_set_feature_gdt_csum(fs->super);
1340 * If we're turning off metadata_csum and not turning on
1341 * uninit_bg, rewrite group desc.
1343 if (!ext2fs_has_feature_gdt_csum(fs->super)) {
1344 err = disable_uninit_bg(fs,
1345 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
1350 * metadata_csum previously provided uninit_bg, so if
1351 * we're also setting the uninit_bg feature bit,
1352 * pretend like it was previously enabled. Checksums
1353 * will be rewritten with crc16 later.
1355 old_features[E2P_FEATURE_RO_INCOMPAT] |=
1356 EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
1357 fs->super->s_checksum_seed = 0;
1358 ext2fs_clear_feature_csum_seed(fs->super);
1361 if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
1362 EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
1363 /* Do not enable uninit_bg when metadata_csum enabled */
1364 if (ext2fs_has_feature_metadata_csum(fs->super))
1365 ext2fs_clear_feature_gdt_csum(fs->super);
1367 enable_uninit_bg(fs);
1370 if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1371 EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
1372 err = disable_uninit_bg(fs,
1373 EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
1379 * We don't actually toggle 64bit; resize2fs does that. But this
1380 * must come after the metadata_csum feature_on so that it won't
1381 * complain about the lack of 64bit.
1383 if (FEATURE_ON(E2P_FEATURE_INCOMPAT,
1384 EXT4_FEATURE_INCOMPAT_64BIT)) {
1385 if (mount_flags & EXT2_MF_MOUNTED) {
1386 fprintf(stderr, _("Cannot enable 64-bit mode "
1387 "while mounted!\n"));
1390 ext2fs_clear_feature_64bit(sb);
1393 if (FEATURE_OFF(E2P_FEATURE_INCOMPAT,
1394 EXT4_FEATURE_INCOMPAT_64BIT)) {
1395 if (mount_flags & EXT2_MF_MOUNTED) {
1396 fprintf(stderr, _("Cannot disable 64-bit mode "
1397 "while mounted!\n"));
1400 ext2fs_set_feature_64bit(sb);
1404 if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
1405 EXT4_FEATURE_RO_COMPAT_QUOTA)) {
1407 * Set the Q_flag here and handle the quota options in the code
1412 /* Enable usr/grp quota by default */
1413 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
1414 if (qtype != PRJQUOTA)
1415 quota_enable[qtype] = QOPT_ENABLE;
1417 quota_enable[qtype] = QOPT_DISABLE;
1420 ext2fs_clear_feature_quota(sb);
1423 if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
1424 EXT4_FEATURE_RO_COMPAT_PROJECT)) {
1425 if (fs->super->s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
1426 fprintf(stderr, _("Cannot enable project feature; "
1427 "inode size too small.\n"));
1431 quota_enable[PRJQUOTA] = QOPT_ENABLE;
1434 if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1435 EXT4_FEATURE_RO_COMPAT_PROJECT)) {
1437 quota_enable[PRJQUOTA] = QOPT_DISABLE;
1440 if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1441 EXT4_FEATURE_RO_COMPAT_QUOTA)) {
1443 * Set the Q_flag here and handle the quota options in the code
1447 fputs(_("\nWarning: '^quota' option overrides '-Q'"
1448 "arguments.\n"), stderr);
1450 /* Disable all quota by default */
1451 for (qtype = 0; qtype < MAXQUOTAS; qtype++)
1452 quota_enable[qtype] = QOPT_DISABLE;
1455 if (FEATURE_ON(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_ENCRYPT)) {
1456 fs->super->s_encrypt_algos[0] =
1457 EXT4_ENCRYPTION_MODE_AES_256_XTS;
1458 fs->super->s_encrypt_algos[1] =
1459 EXT4_ENCRYPTION_MODE_AES_256_CTS;
1462 if (FEATURE_ON(E2P_FEATURE_INCOMPAT,
1463 EXT4_FEATURE_INCOMPAT_CSUM_SEED)) {
1464 if (!ext2fs_has_feature_metadata_csum(sb)) {
1465 fputs(_("Setting feature 'metadata_csum_seed' "
1466 "is only supported\non filesystems with "
1467 "the metadata_csum feature enabled.\n"),
1471 try_confirm_csum_seed_support();
1472 fs->super->s_checksum_seed = fs->csum_seed;
1475 if (FEATURE_OFF(E2P_FEATURE_INCOMPAT,
1476 EXT4_FEATURE_INCOMPAT_CSUM_SEED)) {
1479 uuid_seed = ext2fs_crc32c_le(~0, fs->super->s_uuid,
1480 sizeof(fs->super->s_uuid));
1481 if (fs->super->s_checksum_seed != uuid_seed) {
1482 if (mount_flags & (EXT2_MF_BUSY|EXT2_MF_MOUNTED)) {
1483 fputs(_("UUID has changed since enabling "
1484 "metadata_csum. Filesystem must be unmounted "
1485 "\nto safely rewrite all metadata to match the new UUID.\n"),
1489 check_fsck_needed(fs, _("Recalculating checksums "
1490 "could take some time."));
1491 rewrite_checksums = 1;
1495 if (sb->s_rev_level == EXT2_GOOD_OLD_REV &&
1496 (sb->s_feature_compat || sb->s_feature_ro_compat ||
1497 sb->s_feature_incompat))
1498 ext2fs_update_dynamic_rev(fs);
1500 if (FEATURE_CHANGED(E2P_FEATURE_RO_INCOMPAT,
1501 EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER) ||
1502 FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1503 EXT4_FEATURE_RO_COMPAT_HUGE_FILE) ||
1504 FEATURE_CHANGED(E2P_FEATURE_INCOMPAT,
1505 EXT2_FEATURE_INCOMPAT_FILETYPE) ||
1506 FEATURE_CHANGED(E2P_FEATURE_COMPAT,
1507 EXT2_FEATURE_COMPAT_RESIZE_INODE) ||
1508 FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
1509 EXT2_FEATURE_RO_COMPAT_LARGE_FILE))
1510 request_fsck_afterwards(fs);
1512 if ((old_features[E2P_FEATURE_COMPAT] != sb->s_feature_compat) ||
1513 (old_features[E2P_FEATURE_INCOMPAT] != sb->s_feature_incompat) ||
1514 (old_features[E2P_FEATURE_RO_INCOMPAT] != sb->s_feature_ro_compat))
1515 ext2fs_mark_super_dirty(fs);
1521 * Add a journal to the filesystem.
1523 static int add_journal(ext2_filsys fs)
1525 unsigned long journal_blocks;
1530 if (ext2fs_has_feature_journal(fs->super)) {
1531 fputs(_("The filesystem already has a journal.\n"), stderr);
1534 if (journal_device) {
1535 if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
1537 proceed_question(-1);
1538 check_mount(journal_device, 0, _("journal"));
1539 #ifdef CONFIG_TESTIO_DEBUG
1540 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
1541 io_ptr = test_io_manager;
1542 test_io_backing_manager = unix_io_manager;
1545 io_ptr = unix_io_manager;
1546 retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
1547 EXT2_FLAG_JOURNAL_DEV_OK, 0,
1548 fs->blocksize, io_ptr, &jfs);
1550 com_err(program_name, retval,
1551 _("\n\twhile trying to open journal on %s\n"),
1555 printf(_("Creating journal on device %s: "),
1559 retval = ext2fs_add_journal_device(fs, jfs);
1560 ext2fs_close_free(&jfs);
1562 com_err(program_name, retval,
1563 _("while adding filesystem to journal on %s"),
1567 fputs(_("done\n"), stdout);
1568 } else if (journal_size) {
1569 fputs(_("Creating journal inode: "), stdout);
1571 journal_blocks = figure_journal_size(journal_size, fs);
1573 if (journal_location_string)
1575 parse_num_blocks2(journal_location_string,
1576 fs->super->s_log_block_size);
1577 retval = ext2fs_add_journal_inode2(fs, journal_blocks,
1581 fprintf(stderr, "\n");
1582 com_err(program_name, retval, "%s",
1583 _("\n\twhile trying to create journal file"));
1586 fputs(_("done\n"), stdout);
1588 * If the filesystem wasn't mounted, we need to force
1589 * the block group descriptors out.
1591 if ((mount_flags & EXT2_MF_MOUNTED) == 0)
1592 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
1594 print_check_message(fs->super->s_max_mnt_count,
1595 fs->super->s_checkinterval);
1599 free(journal_device);
1603 static void handle_quota_options(ext2_filsys fs)
1608 enum quota_type qtype;
1609 unsigned int qtype_bits = 0;
1612 for (qtype = 0 ; qtype < MAXQUOTAS; qtype++)
1613 if (quota_enable[qtype] != 0)
1615 if (qtype == MAXQUOTAS)
1616 /* Nothing to do. */
1619 if (quota_enable[PRJQUOTA] == QOPT_ENABLE &&
1620 fs->super->s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
1621 fprintf(stderr, _("Cannot enable project quota; "
1622 "inode size too small.\n"));
1626 for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
1627 if (quota_enable[qtype] == QOPT_ENABLE)
1628 qtype_bits |= 1 << qtype;
1631 retval = quota_init_context(&qctx, fs, qtype_bits);
1633 com_err(program_name, retval,
1634 _("while initializing quota context in support library"));
1639 quota_compute_usage(qctx);
1641 for (qtype = 0 ; qtype < MAXQUOTAS; qtype++) {
1642 if (quota_enable[qtype] == QOPT_ENABLE &&
1643 *quota_sb_inump(fs->super, qtype) == 0) {
1644 if ((qf_ino = quota_file_exists(fs, qtype)) > 0) {
1645 retval = quota_update_limits(qctx, qf_ino,
1648 com_err(program_name, retval,
1649 _("while updating quota limits (%d)"),
1654 retval = quota_write_inode(qctx, 1 << qtype);
1656 com_err(program_name, retval,
1657 _("while writing quota file (%d)"),
1661 /* Enable Quota feature if one of quota enabled */
1662 if (!ext2fs_has_feature_quota(fs->super)) {
1663 ext2fs_set_feature_quota(fs->super);
1666 if (qtype == PRJQUOTA &&
1667 !ext2fs_has_feature_project(fs->super)) {
1668 ext2fs_set_feature_project(fs->super);
1671 } else if (quota_enable[qtype] == QOPT_DISABLE) {
1672 retval = quota_remove_inode(fs, qtype);
1674 com_err(program_name, retval,
1675 _("while removing quota file (%d)"),
1679 if (qtype == PRJQUOTA) {
1680 ext2fs_clear_feature_project(fs->super);
1686 quota_release_context(&qctx);
1687 /* Clear Quota feature if all quota types disabled. */
1689 for (qtype = 0 ; qtype < MAXQUOTAS; qtype++)
1690 if (*quota_sb_inump(fs->super, qtype))
1692 if (qtype == MAXQUOTAS) {
1693 ext2fs_clear_feature_quota(fs->super);
1699 ext2fs_mark_super_dirty(fs);
1703 static int option_handle_function(char *token)
1705 if (strncmp(token, "usr", 3) == 0) {
1706 quota_enable[USRQUOTA] = QOPT_ENABLE;
1707 } else if (strncmp(token, "^usr", 4) == 0) {
1708 quota_enable[USRQUOTA] = QOPT_DISABLE;
1709 } else if (strncmp(token, "grp", 3) == 0) {
1710 quota_enable[GRPQUOTA] = QOPT_ENABLE;
1711 } else if (strncmp(token, "^grp", 4) == 0) {
1712 quota_enable[GRPQUOTA] = QOPT_DISABLE;
1713 } else if (strncmp(token, "prj", 3) == 0) {
1714 quota_enable[PRJQUOTA] = QOPT_ENABLE;
1715 } else if (strncmp(token, "^prj", 4) == 0) {
1716 quota_enable[PRJQUOTA] = QOPT_DISABLE;
1718 fputs(_("\nBad quota options specified.\n\n"
1719 "Following valid quota options are available "
1720 "(pass by separating with comma):\n"
1730 static void parse_e2label_options(int argc, char ** argv)
1732 if ((argc < 2) || (argc > 3)) {
1733 fputs(_("Usage: e2label device [newlabel]\n"), stderr);
1736 io_options = strchr(argv[1], '?');
1739 device_name = blkid_get_devname(NULL, argv[1], NULL);
1741 com_err("e2label", 0, _("Unable to resolve '%s'"),
1745 open_flag = EXT2_FLAG_JOURNAL_DEV_OK;
1747 open_flag |= EXT2_FLAG_RW;
1749 new_label = argv[2];
1754 static time_t parse_time(char *str)
1758 if (strcmp(str, "now") == 0) {
1761 memset(&ts, 0, sizeof(ts));
1762 #ifdef HAVE_STRPTIME
1763 strptime(str, "%Y%m%d%H%M%S", &ts);
1765 sscanf(str, "%4d%2d%2d%2d%2d%2d", &ts.tm_year, &ts.tm_mon,
1766 &ts.tm_mday, &ts.tm_hour, &ts.tm_min, &ts.tm_sec);
1769 if (ts.tm_year < 0 || ts.tm_mon < 0 || ts.tm_mon > 11 ||
1770 ts.tm_mday < 0 || ts.tm_mday > 31 || ts.tm_hour > 23 ||
1771 ts.tm_min > 59 || ts.tm_sec > 61)
1774 if (ts.tm_mday == 0) {
1775 com_err(program_name, 0,
1776 _("Couldn't parse date/time specifier: %s"),
1781 return (mktime(&ts));
1784 static void parse_tune2fs_options(int argc, char **argv)
1791 char optstring[100] = "c:e:fg:i:jlm:o:r:s:u:C:E:I:J:L:M:O:T:U:z:Q:";
1794 printf("tune2fs %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE);
1795 while ((c = getopt(argc, argv, optstring)) != EOF)
1798 max_mount_count = strtol(optarg, &tmp, 0);
1799 if (*tmp || max_mount_count > 16000) {
1800 com_err(program_name, 0,
1801 _("bad mounts count - %s"),
1805 if (max_mount_count == 0)
1806 max_mount_count = -1;
1808 open_flag = EXT2_FLAG_RW;
1811 mount_count = strtoul(optarg, &tmp, 0);
1812 if (*tmp || mount_count > 16000) {
1813 com_err(program_name, 0,
1814 _("bad mounts count - %s"),
1819 open_flag = EXT2_FLAG_RW;
1822 if (strcmp(optarg, "continue") == 0)
1823 errors = EXT2_ERRORS_CONTINUE;
1824 else if (strcmp(optarg, "remount-ro") == 0)
1825 errors = EXT2_ERRORS_RO;
1826 else if (strcmp(optarg, "panic") == 0)
1827 errors = EXT2_ERRORS_PANIC;
1829 com_err(program_name, 0,
1830 _("bad error behavior - %s"),
1835 open_flag = EXT2_FLAG_RW;
1838 extended_cmd = optarg;
1839 open_flag |= EXT2_FLAG_RW;
1841 case 'f': /* Force */
1845 resgid = strtoul(optarg, &tmp, 0);
1847 gr = getgrnam(optarg);
1851 resgid = gr->gr_gid;
1856 com_err(program_name, 0,
1857 _("bad gid/group name - %s"),
1862 open_flag = EXT2_FLAG_RW;
1865 interval = strtoul(optarg, &tmp, 0);
1872 case 'D': /* days */
1878 case 'M': /* months! */
1879 interval *= 86400 * 30;
1883 case 'W': /* weeks */
1884 interval *= 86400 * 7;
1889 com_err(program_name, 0,
1890 _("bad interval - %s"), optarg);
1894 open_flag = EXT2_FLAG_RW;
1899 open_flag = EXT2_FLAG_RW;
1902 parse_journal_opts(optarg);
1903 open_flag = EXT2_FLAG_RW;
1911 open_flag |= EXT2_FLAG_RW |
1912 EXT2_FLAG_JOURNAL_DEV_OK;
1915 reserved_ratio = strtod(optarg, &tmp);
1916 if (*tmp || reserved_ratio > 50 ||
1917 reserved_ratio < 0) {
1918 com_err(program_name, 0,
1919 _("bad reserved block ratio - %s"),
1924 open_flag = EXT2_FLAG_RW;
1927 new_last_mounted = optarg;
1929 open_flag = EXT2_FLAG_RW;
1933 com_err(program_name, 0, "%s",
1934 _("-o may only be specified once"));
1937 mntopts_cmd = optarg;
1938 open_flag = EXT2_FLAG_RW;
1942 com_err(program_name, 0, "%s",
1943 _("-O may only be specified once"));
1946 features_cmd = optarg;
1947 open_flag = EXT2_FLAG_RW;
1951 ret = parse_quota_opts(optarg, option_handle_function);
1954 open_flag = EXT2_FLAG_RW;
1957 reserved_blocks = strtoul(optarg, &tmp, 0);
1959 com_err(program_name, 0,
1960 _("bad reserved blocks count - %s"),
1965 open_flag = EXT2_FLAG_RW;
1967 case 's': /* Deprecated */
1968 s_flag = atoi(optarg);
1969 open_flag = EXT2_FLAG_RW;
1973 last_check_time = parse_time(optarg);
1974 open_flag = EXT2_FLAG_RW;
1977 resuid = strtoul(optarg, &tmp, 0);
1979 pw = getpwnam(optarg);
1983 resuid = pw->pw_uid;
1988 com_err(program_name, 0,
1989 _("bad uid/user name - %s"),
1994 open_flag = EXT2_FLAG_RW;
1999 open_flag = EXT2_FLAG_RW |
2000 EXT2_FLAG_JOURNAL_DEV_OK;
2003 new_inode_size = strtoul(optarg, &tmp, 0);
2005 com_err(program_name, 0,
2006 _("bad inode size - %s"),
2010 if (!((new_inode_size &
2011 (new_inode_size - 1)) == 0)) {
2012 com_err(program_name, 0,
2013 _("Inode size must be a "
2014 "power of two- %s"),
2018 open_flag = EXT2_FLAG_RW;
2027 if (optind < argc - 1 || optind == argc)
2029 if (!open_flag && !l_flag)
2031 io_options = strchr(argv[optind], '?');
2034 device_name = blkid_get_devname(NULL, argv[optind], NULL);
2036 com_err(program_name, 0, _("Unable to resolve '%s'"),
2042 #ifdef CONFIG_BUILD_FINDFS
2043 void do_findfs(int argc, char **argv)
2048 (strncmp(argv[1], "LABEL=", 6) && strncmp(argv[1], "UUID=", 5))) {
2049 fprintf(stderr, "Usage: findfs LABEL=<label>|UUID=<uuid>\n");
2052 dev = blkid_get_devname(NULL, argv[1], NULL);
2054 com_err("findfs", 0, _("Unable to resolve '%s'"),
2063 static int parse_extended_opts(ext2_filsys fs, const char *opts)
2065 char *buf, *token, *next, *p, *arg;
2070 buf = malloc(len+1);
2072 fprintf(stderr, "%s",
2073 _("Couldn't allocate memory to parse options!\n"));
2077 for (token = buf; token && *token; token = next) {
2078 p = strchr(token, ',');
2084 arg = strchr(token, '=');
2089 if (strcmp(token, "clear-mmp") == 0 ||
2090 strcmp(token, "clear_mmp") == 0) {
2092 } else if (strcmp(token, "mmp_update_interval") == 0) {
2098 intv = strtoul(arg, &p, 0);
2101 _("Invalid mmp_update_interval: %s\n"),
2107 intv = EXT4_MMP_UPDATE_INTERVAL;
2108 } else if (intv > EXT4_MMP_MAX_UPDATE_INTERVAL) {
2110 _("mmp_update_interval too big: %lu\n"),
2115 printf(P_("Setting multiple mount protection update "
2116 "interval to %lu second\n",
2117 "Setting multiple mount protection update "
2118 "interval to %lu seconds\n", intv),
2120 fs->super->s_mmp_update_interval = intv;
2121 ext2fs_mark_super_dirty(fs);
2122 } else if (!strcmp(token, "test_fs")) {
2123 fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
2124 printf("Setting test filesystem flag\n");
2125 ext2fs_mark_super_dirty(fs);
2126 } else if (!strcmp(token, "^test_fs")) {
2127 fs->super->s_flags &= ~EXT2_FLAGS_TEST_FILESYS;
2128 printf("Clearing test filesystem flag\n");
2129 ext2fs_mark_super_dirty(fs);
2130 } else if (strcmp(token, "stride") == 0) {
2135 stride = strtoul(arg, &p, 0);
2138 _("Invalid RAID stride: %s\n"),
2144 } else if (strcmp(token, "stripe-width") == 0 ||
2145 strcmp(token, "stripe_width") == 0) {
2150 stripe_width = strtoul(arg, &p, 0);
2153 _("Invalid RAID stripe-width: %s\n"),
2158 stripe_width_set = 1;
2159 } else if (strcmp(token, "hash_alg") == 0 ||
2160 strcmp(token, "hash-alg") == 0) {
2165 hash_alg = e2p_string2hash(arg);
2168 _("Invalid hash algorithm: %s\n"),
2173 fs->super->s_def_hash_version = hash_alg;
2174 printf(_("Setting default hash algorithm "
2177 ext2fs_mark_super_dirty(fs);
2178 } else if (!strcmp(token, "mount_opts")) {
2183 if (strlen(arg) >= sizeof(fs->super->s_mount_opts)) {
2185 "Extended mount options too long\n");
2188 ext_mount_opts = strdup(arg);
2193 fprintf(stderr, "%s", _("\nBad options specified.\n\n"
2194 "Extended options are separated by commas, "
2195 "and may take an argument which\n"
2196 "\tis set off by an equals ('=') sign.\n\n"
2197 "Valid extended options are:\n"
2199 "\thash_alg=<hash algorithm>\n"
2200 "\tmount_opts=<extended default mount options>\n"
2201 "\tmmp_update_interval=<mmp update interval in seconds>\n"
2202 "\tstride=<RAID per-disk chunk size in blocks>\n"
2203 "\tstripe_width=<RAID stride*data disks in blocks>\n"
2215 * Fill in the block bitmap bmap with the information regarding the
2216 * blocks to be moved
2218 static int get_move_bitmaps(ext2_filsys fs, int new_ino_blks_per_grp,
2219 ext2fs_block_bitmap bmap)
2223 ext2_badblocks_list bb_list = 0;
2224 blk64_t j, needed_blocks = 0;
2225 blk64_t start_blk, end_blk;
2227 retval = ext2fs_read_bb_inode(fs, &bb_list);
2231 for (i = 0; i < fs->group_desc_count; i++) {
2232 start_blk = ext2fs_inode_table_loc(fs, i) +
2233 fs->inode_blocks_per_group;
2235 end_blk = ext2fs_inode_table_loc(fs, i) +
2236 new_ino_blks_per_grp;
2238 for (j = start_blk; j < end_blk; j++) {
2239 if (ext2fs_test_block_bitmap2(fs->block_map, j)) {
2241 * IF the block is a bad block we fail
2243 if (ext2fs_badblocks_list_test(bb_list, j)) {
2244 ext2fs_badblocks_list_free(bb_list);
2248 ext2fs_mark_block_bitmap2(bmap, j);
2251 * We are going to use this block for
2252 * inode table. So mark them used.
2254 ext2fs_mark_block_bitmap2(fs->block_map, j);
2257 needed_blocks += end_blk - start_blk;
2260 ext2fs_badblocks_list_free(bb_list);
2261 if (needed_blocks > ext2fs_free_blocks_count(fs->super))
2267 static int ext2fs_is_meta_block(ext2_filsys fs, blk64_t blk)
2270 group = ext2fs_group_of_blk2(fs, blk);
2271 if (ext2fs_block_bitmap_loc(fs, group) == blk)
2273 if (ext2fs_inode_bitmap_loc(fs, group) == blk)
2278 static int ext2fs_is_block_in_group(ext2_filsys fs, dgrp_t group, blk64_t blk)
2280 blk64_t start_blk, end_blk;
2281 start_blk = fs->super->s_first_data_block +
2282 EXT2_GROUPS_TO_BLOCKS(fs->super, group);
2284 * We cannot get new block beyond end_blk for for the last block group
2285 * so we can check with EXT2_BLOCKS_PER_GROUP even for last block group
2287 end_blk = start_blk + EXT2_BLOCKS_PER_GROUP(fs->super);
2288 if (blk >= start_blk && blk <= end_blk)
2293 static int move_block(ext2_filsys fs, ext2fs_block_bitmap bmap)
2300 blk64_t blk, new_blk, goal;
2301 struct blk_move *bmv;
2303 retval = ext2fs_get_mem(fs->blocksize, &buf);
2307 for (new_blk = blk = fs->super->s_first_data_block;
2308 blk < ext2fs_blocks_count(fs->super); blk++) {
2309 if (!ext2fs_test_block_bitmap2(bmap, blk))
2312 if (ext2fs_is_meta_block(fs, blk)) {
2314 * If the block is mapping a fs meta data block
2315 * like group desc/block bitmap/inode bitmap. We
2316 * should find a block in the same group and fix
2317 * the respective fs metadata pointers. Otherwise
2320 group = ext2fs_group_of_blk2(fs, blk);
2321 goal = ext2fs_group_first_block2(fs, group);
2327 retval = ext2fs_new_block2(fs, goal, NULL, &new_blk);
2331 /* new fs meta data block should be in the same group */
2332 if (meta_data && !ext2fs_is_block_in_group(fs, group, new_blk)) {
2337 /* Mark this block as allocated */
2338 ext2fs_mark_block_bitmap2(fs->block_map, new_blk);
2340 /* Add it to block move list */
2341 retval = ext2fs_get_mem(sizeof(struct blk_move), &bmv);
2346 bmv->new_loc = new_blk;
2348 list_add(&(bmv->list), &blk_move_list);
2350 retval = io_channel_read_blk64(fs->io, blk, 1, buf);
2354 retval = io_channel_write_blk64(fs->io, new_blk, 1, buf);
2360 ext2fs_free_mem(&buf);
2364 static blk64_t translate_block(blk64_t blk)
2366 struct list_head *entry;
2367 struct blk_move *bmv;
2369 list_for_each(entry, &blk_move_list) {
2370 bmv = list_entry(entry, struct blk_move, list);
2371 if (bmv->old_loc == blk)
2372 return bmv->new_loc;
2378 static int process_block(ext2_filsys fs EXT2FS_ATTR((unused)),
2380 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
2381 blk64_t ref_block EXT2FS_ATTR((unused)),
2382 int ref_offset EXT2FS_ATTR((unused)),
2387 ext2fs_block_bitmap bmap = (ext2fs_block_bitmap) priv_data;
2389 if (!ext2fs_test_block_bitmap2(bmap, *block_nr))
2391 new_blk = translate_block(*block_nr);
2393 *block_nr = new_blk;
2395 * This will force the ext2fs_write_inode in the iterator
2397 ret |= BLOCK_CHANGED;
2403 static int inode_scan_and_fix(ext2_filsys fs, ext2fs_block_bitmap bmap)
2405 errcode_t retval = 0;
2408 char *block_buf = 0;
2409 struct ext2_inode inode;
2410 ext2_inode_scan scan = NULL;
2412 retval = ext2fs_get_mem(fs->blocksize * 3, &block_buf);
2416 retval = ext2fs_open_inode_scan(fs, 0, &scan);
2421 retval = ext2fs_get_next_inode(scan, &ino, &inode);
2428 if (inode.i_links_count == 0)
2429 continue; /* inode not in use */
2432 * If we end up modifying the journal inode
2433 * the sb->s_jnl_blocks will differ. But a
2434 * subsequent e2fsck fixes that.
2435 * Do we need to fix this ??
2438 if (ext2fs_file_acl_block(fs, &inode) &&
2439 ext2fs_test_block_bitmap2(bmap,
2440 ext2fs_file_acl_block(fs, &inode))) {
2441 blk = translate_block(ext2fs_file_acl_block(fs,
2446 ext2fs_file_acl_block_set(fs, &inode, blk);
2449 * Write the inode to disk so that inode table
2452 retval = ext2fs_write_inode(fs, ino, &inode);
2457 if (!ext2fs_inode_has_valid_blocks2(fs, &inode))
2460 retval = ext2fs_block_iterate3(fs, ino, 0, block_buf,
2461 process_block, bmap);
2468 ext2fs_free_mem(&block_buf);
2469 ext2fs_close_inode_scan(scan);
2475 * We need to scan for inode and block bitmaps that may need to be
2476 * moved. This can take place if the filesystem was formatted for
2477 * RAID arrays using the mke2fs's extended option "stride".
2479 static int group_desc_scan_and_fix(ext2_filsys fs, ext2fs_block_bitmap bmap)
2482 blk64_t blk, new_blk;
2484 for (i = 0; i < fs->group_desc_count; i++) {
2485 blk = ext2fs_block_bitmap_loc(fs, i);
2486 if (ext2fs_test_block_bitmap2(bmap, blk)) {
2487 new_blk = translate_block(blk);
2490 ext2fs_block_bitmap_loc_set(fs, i, new_blk);
2493 blk = ext2fs_inode_bitmap_loc(fs, i);
2494 if (ext2fs_test_block_bitmap2(bmap, blk)) {
2495 new_blk = translate_block(blk);
2498 ext2fs_inode_bitmap_loc_set(fs, i, new_blk);
2504 static int expand_inode_table(ext2_filsys fs, unsigned long new_ino_size)
2509 int new_ino_blks_per_grp;
2511 char *old_itable = NULL, *new_itable = NULL;
2512 char *tmp_old_itable = NULL, *tmp_new_itable = NULL;
2513 unsigned long old_ino_size;
2514 int old_itable_size, new_itable_size;
2516 old_itable_size = fs->inode_blocks_per_group * fs->blocksize;
2517 old_ino_size = EXT2_INODE_SIZE(fs->super);
2519 new_ino_blks_per_grp = ext2fs_div_ceil(
2520 EXT2_INODES_PER_GROUP(fs->super) *
2524 new_itable_size = new_ino_blks_per_grp * fs->blocksize;
2526 retval = ext2fs_get_mem(old_itable_size, &old_itable);
2530 retval = ext2fs_get_mem(new_itable_size, &new_itable);
2534 tmp_old_itable = old_itable;
2535 tmp_new_itable = new_itable;
2537 for (i = 0; i < fs->group_desc_count; i++) {
2538 blk = ext2fs_inode_table_loc(fs, i);
2539 retval = io_channel_read_blk64(fs->io, blk,
2540 fs->inode_blocks_per_group, old_itable);
2544 for (j = 0; j < EXT2_INODES_PER_GROUP(fs->super); j++) {
2545 memcpy(new_itable, old_itable, old_ino_size);
2547 memset(new_itable+old_ino_size, 0,
2548 new_ino_size - old_ino_size);
2550 new_itable += new_ino_size;
2551 old_itable += old_ino_size;
2554 /* reset the pointer */
2555 old_itable = tmp_old_itable;
2556 new_itable = tmp_new_itable;
2558 retval = io_channel_write_blk64(fs->io, blk,
2559 new_ino_blks_per_grp, new_itable);
2564 /* Update the meta data */
2565 fs->inode_blocks_per_group = new_ino_blks_per_grp;
2566 ext2fs_free_inode_cache(fs->icache);
2568 fs->super->s_inode_size = new_ino_size;
2572 ext2fs_free_mem(&old_itable);
2575 ext2fs_free_mem(&new_itable);
2580 static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
2584 unsigned int group = 0;
2585 unsigned int count = 0;
2590 * First calculate the block statistics
2592 for (blk = fs->super->s_first_data_block;
2593 blk < ext2fs_blocks_count(fs->super); blk++) {
2594 if (!ext2fs_fast_test_block_bitmap2(fs->block_map, blk)) {
2599 if ((count == fs->super->s_blocks_per_group) ||
2600 (blk == ext2fs_blocks_count(fs->super)-1)) {
2601 ext2fs_bg_free_blocks_count_set(fs, group++,
2607 total_free = EXT2FS_C2B(fs, total_free);
2608 ext2fs_free_blocks_count_set(fs->super, total_free);
2611 * Next, calculate the inode statistics
2618 /* Protect loop from wrap-around if s_inodes_count maxed */
2619 for (ino = 1; ino <= fs->super->s_inodes_count && ino > 0; ino++) {
2620 if (!ext2fs_fast_test_inode_bitmap2(fs->inode_map, ino)) {
2625 if ((count == fs->super->s_inodes_per_group) ||
2626 (ino == fs->super->s_inodes_count)) {
2627 ext2fs_bg_free_inodes_count_set(fs, group++,
2633 fs->super->s_free_inodes_count = total_free;
2634 ext2fs_mark_super_dirty(fs);
2638 #define list_for_each_safe(pos, pnext, head) \
2639 for (pos = (head)->next, pnext = pos->next; pos != (head); \
2640 pos = pnext, pnext = pos->next)
2642 static void free_blk_move_list(void)
2644 struct list_head *entry, *tmp;
2645 struct blk_move *bmv;
2647 list_for_each_safe(entry, tmp, &blk_move_list) {
2648 bmv = list_entry(entry, struct blk_move, list);
2650 ext2fs_free_mem(&bmv);
2655 static int resize_inode(ext2_filsys fs, unsigned long new_size)
2658 int new_ino_blks_per_grp;
2659 ext2fs_block_bitmap bmap;
2661 retval = ext2fs_read_inode_bitmap(fs);
2663 fputs(_("Failed to read inode bitmap\n"), stderr);
2666 retval = ext2fs_read_block_bitmap(fs);
2668 fputs(_("Failed to read block bitmap\n"), stderr);
2671 INIT_LIST_HEAD(&blk_move_list);
2674 new_ino_blks_per_grp = ext2fs_div_ceil(
2675 EXT2_INODES_PER_GROUP(fs->super)*
2679 /* We may change the file system.
2680 * Mark the file system as invalid so that
2681 * the user is prompted to run fsck.
2683 fs->super->s_state &= ~EXT2_VALID_FS;
2685 retval = ext2fs_allocate_block_bitmap(fs, _("blocks to be moved"),
2688 fputs(_("Failed to allocate block bitmap when "
2689 "increasing inode size\n"), stderr);
2692 retval = get_move_bitmaps(fs, new_ino_blks_per_grp, bmap);
2694 fputs(_("Not enough space to increase inode size \n"), stderr);
2697 retval = move_block(fs, bmap);
2699 fputs(_("Failed to relocate blocks during inode resize \n"),
2703 retval = inode_scan_and_fix(fs, bmap);
2707 retval = group_desc_scan_and_fix(fs, bmap);
2711 retval = expand_inode_table(fs, new_size);
2715 ext2fs_calculate_summary_stats(fs);
2717 fs->super->s_state |= EXT2_VALID_FS;
2718 /* mark super block and block bitmap as dirty */
2719 ext2fs_mark_super_dirty(fs);
2720 ext2fs_mark_bb_dirty(fs);
2723 free_blk_move_list();
2724 ext2fs_free_block_bitmap(bmap);
2729 free_blk_move_list();
2730 ext2fs_free_block_bitmap(bmap);
2731 fputs(_("Error in resizing the inode size.\n"
2732 "Run e2undo to undo the "
2733 "file system changes. \n"), stderr);
2738 static int tune2fs_setup_tdb(const char *name, io_manager *io_ptr)
2740 errcode_t retval = 0;
2741 const char *tdb_dir;
2742 char *tdb_file = NULL;
2743 char *dev_name, *tmp_name;
2745 /* (re)open a specific undo file */
2746 if (undo_file && undo_file[0] != 0) {
2747 retval = set_undo_io_backing_manager(*io_ptr);
2750 *io_ptr = undo_io_manager;
2751 retval = set_undo_io_backup_file(undo_file);
2754 printf(_("Overwriting existing filesystem; this can be undone "
2755 "using the command:\n"
2756 " e2undo %s %s\n\n"),
2762 * Configuration via a conf file would be
2765 tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
2767 tdb_dir = "/var/lib/e2fsprogs";
2769 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
2770 access(tdb_dir, W_OK))
2773 tmp_name = strdup(name);
2776 dev_name = basename(tmp_name);
2777 tdb_file = malloc(strlen(tdb_dir) + 9 + strlen(dev_name) + 7 + 1);
2782 sprintf(tdb_file, "%s/tune2fs-%s.e2undo", tdb_dir, dev_name);
2785 if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
2787 com_err(program_name, retval,
2788 _("while trying to delete %s"), tdb_file);
2792 retval = set_undo_io_backing_manager(*io_ptr);
2795 *io_ptr = undo_io_manager;
2796 retval = set_undo_io_backup_file(tdb_file);
2799 printf(_("Overwriting existing filesystem; this can be undone "
2800 "using the command:\n"
2801 " e2undo %s %s\n\n"),
2809 com_err("tune2fs", retval, "while trying to setup undo file\n");
2814 fs_update_journal_user(struct ext2_super_block *sb, __u8 old_uuid[UUID_SIZE])
2816 int retval, nr_users, start;
2817 journal_superblock_t *jsb;
2821 char uuid[UUID_STR_SIZE];
2822 char buf[SUPERBLOCK_SIZE] __attribute__ ((aligned(8)));
2824 if (!ext2fs_has_feature_journal(sb) || uuid_is_null(sb->s_journal_uuid))
2827 uuid_unparse(sb->s_journal_uuid, uuid);
2828 journal_path = blkid_get_devname(NULL, "UUID", uuid);
2832 retval = ext2fs_open2(journal_path, io_options,
2833 EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_RW,
2834 0, 0, unix_io_manager, &jfs);
2836 com_err(program_name, retval,
2837 _("while trying to open %s"),
2842 retval = get_journal_sb(jfs, buf);
2844 if (retval == EXT2_ET_UNSUPP_FEATURE)
2845 fprintf(stderr, _("%s is not a journal device.\n"),
2850 jsb = (journal_superblock_t *) buf;
2851 /* Find the filesystem UUID */
2852 nr_users = ntohl(jsb->s_nr_users);
2854 j_uuid = journal_user(old_uuid, jsb->s_users, nr_users);
2855 if (j_uuid == NULL) {
2856 fputs(_("Filesystem's UUID not found on journal device.\n"),
2858 return EXT2_ET_LOAD_EXT_JOURNAL;
2861 memcpy(j_uuid, sb->s_uuid, UUID_SIZE);
2863 start = ext2fs_journal_sb_start(jfs->blocksize);
2864 /* Write back the journal superblock */
2865 retval = io_channel_write_blk64(jfs->io, start, -SUPERBLOCK_SIZE, buf);
2867 com_err(program_name, retval,
2868 "while writing journal superblock.");
2877 #ifndef BUILD_AS_LIB
2878 int main(int argc, char **argv)
2880 int tune2fs_main(int argc, char **argv)
2881 #endif /* BUILD_AS_LIB */
2885 struct ext2_super_block *sb;
2886 io_manager io_ptr, io_ptr_orig = NULL;
2888 char default_undo_file[1] = { 0 };
2891 setlocale(LC_MESSAGES, "");
2892 setlocale(LC_CTYPE, "");
2893 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
2894 textdomain(NLS_CAT_NAME);
2895 set_com_err_gettext(gettext);
2898 program_name = *argv;
2899 add_error_table(&et_ext2_error_table);
2901 #ifdef CONFIG_BUILD_FINDFS
2902 if (strcmp(get_progname(argv[0]), "findfs") == 0)
2903 do_findfs(argc, argv);
2905 if (strcmp(get_progname(argv[0]), "e2label") == 0)
2906 parse_e2label_options(argc, argv);
2908 parse_tune2fs_options(argc, argv);
2910 #ifdef CONFIG_TESTIO_DEBUG
2911 if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_DEBUG")) {
2912 io_ptr = test_io_manager;
2913 test_io_backing_manager = unix_io_manager;
2916 io_ptr = unix_io_manager;
2919 if ((open_flag & EXT2_FLAG_RW) == 0 || f_flag)
2920 open_flag |= EXT2_FLAG_SKIP_MMP;
2922 open_flag |= EXT2_FLAG_64BITS | EXT2_FLAG_JOURNAL_DEV_OK;
2924 /* keep the filesystem struct around to dump MMP data */
2925 open_flag |= EXT2_FLAG_NOFREE_ON_ERROR;
2927 retval = ext2fs_open2(device_name, io_options, open_flag,
2930 com_err(program_name, retval,
2931 _("while trying to open %s"),
2933 if (retval == EXT2_ET_MMP_FSCK_ON ||
2934 retval == EXT2_ET_MMP_UNKNOWN_SEQ)
2935 dump_mmp_msg(fs->mmp_buf,
2936 _("If you are sure the filesystem "
2937 "is not in use on any node, run:\n"
2938 "'tune2fs -f -E clear_mmp {device}'\n"));
2939 else if (retval == EXT2_ET_MMP_FAILED)
2940 dump_mmp_msg(fs->mmp_buf, NULL);
2941 else if (retval == EXT2_ET_MMP_MAGIC_INVALID)
2943 _("MMP block magic is bad. Try to fix it by "
2944 "running:\n'e2fsck -f %s'\n"), device_name);
2945 else if (retval == EXT2_ET_BAD_MAGIC)
2946 check_plausibility(device_name, CHECK_FS_EXIST, NULL);
2947 else if (retval != EXT2_ET_MMP_FAILED)
2948 fprintf(stderr, "%s",
2949 _("Couldn't find valid filesystem superblock.\n"));
2954 if (ext2fs_has_feature_journal_dev(fs->super)) {
2955 fprintf(stderr, "%s", _("Cannot modify a journal device.\n"));
2959 fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
2963 * Check the inode size is right so we can issue an
2964 * error message and bail before setting up the tdb
2967 if (new_inode_size == EXT2_INODE_SIZE(fs->super)) {
2968 fprintf(stderr, _("The inode size is already %lu\n"),
2973 if (new_inode_size < EXT2_INODE_SIZE(fs->super)) {
2974 fprintf(stderr, "%s",
2975 _("Shrinking inode size is not supported\n"));
2979 if (new_inode_size > fs->blocksize) {
2980 fprintf(stderr, _("Invalid inode size %lu (max %d)\n"),
2981 new_inode_size, fs->blocksize);
2985 check_fsck_needed(fs,
2986 _("Resizing inodes could take some time."));
2988 * If inode resize is requested use the
2991 undo_file = default_undo_file;
2994 /* Set up an undo file */
2995 if (undo_file && io_ptr_orig == NULL) {
2996 io_ptr_orig = io_ptr;
2997 retval = tune2fs_setup_tdb(device_name, &io_ptr);
3002 if (io_ptr != io_ptr_orig) {
3003 ext2fs_close_free(&fs);
3009 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
3012 /* For e2label emulation */
3013 printf("%.*s\n", (int) sizeof(sb->s_volume_name),
3015 remove_error_table(&et_ext2_error_table);
3019 retval = ext2fs_check_if_mounted(device_name, &mount_flags);
3021 com_err("ext2fs_check_if_mount", retval,
3022 _("while determining whether %s is mounted."),
3029 /* Warn if file system needs recovery and it is opened for writing. */
3030 if ((open_flag & EXT2_FLAG_RW) && !(mount_flags & EXT2_MF_MOUNTED) &&
3031 (sb->s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
3032 (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER)) {
3034 _("Warning: The journal is dirty. You may wish to replay the journal like:\n\n"
3035 "\te2fsck -E journal_only %s\n\n"
3036 "then rerun this command. Otherwise, any changes made may be overwritten\n"
3037 "by journal recovery.\n"), device_name);
3040 /* Recover the journal if possible. */
3041 if ((open_flag & EXT2_FLAG_RW) && !(mount_flags & (EXT2_MF_BUSY | EXT2_MF_MOUNTED)) &&
3042 ext2fs_has_feature_journal_needs_recovery(fs->super)) {
3045 printf(_("Recovering journal.\n"));
3046 err = ext2fs_run_ext3_journal(&fs);
3048 com_err("tune2fs", err, "while recovering journal.\n");
3049 printf(_("Please run e2fsck -fy %s.\n"), argv[1]);
3051 ext2fs_close_free(&fs);
3057 /* Normally we only need to write out the superblock */
3058 fs->flags |= EXT2_FLAG_SUPER_ONLY;
3061 sb->s_max_mnt_count = max_mount_count;
3062 ext2fs_mark_super_dirty(fs);
3063 printf(_("Setting maximal mount count to %d\n"),
3067 sb->s_mnt_count = mount_count;
3068 ext2fs_mark_super_dirty(fs);
3069 printf(_("Setting current mount count to %d\n"), mount_count);
3072 sb->s_errors = errors;
3073 ext2fs_mark_super_dirty(fs);
3074 printf(_("Setting error behavior to %d\n"), errors);
3077 sb->s_def_resgid = resgid;
3078 ext2fs_mark_super_dirty(fs);
3079 printf(_("Setting reserved blocks gid to %lu\n"), resgid);
3082 if ((unsigned long long)interval >= (1ULL << 32)) {
3083 com_err(program_name, 0,
3084 _("interval between checks is too big (%lu)"),
3089 sb->s_checkinterval = interval;
3090 ext2fs_mark_super_dirty(fs);
3091 printf(_("Setting interval between checks to %lu seconds\n"),
3095 ext2fs_r_blocks_count_set(sb, reserved_ratio *
3096 ext2fs_blocks_count(sb) / 100.0);
3097 ext2fs_mark_super_dirty(fs);
3098 printf (_("Setting reserved blocks percentage to %g%% (%llu blocks)\n"),
3099 reserved_ratio, ext2fs_r_blocks_count(sb));
3102 if (reserved_blocks > ext2fs_blocks_count(sb)/2) {
3103 com_err(program_name, 0,
3104 _("reserved blocks count is too big (%llu)"),
3109 ext2fs_r_blocks_count_set(sb, reserved_blocks);
3110 ext2fs_mark_super_dirty(fs);
3111 printf(_("Setting reserved blocks count to %llu\n"),
3115 if (ext2fs_has_feature_sparse_super(sb)) {
3116 fputs(_("\nThe filesystem already has sparse "
3117 "superblocks.\n"), stderr);
3118 } else if (ext2fs_has_feature_meta_bg(sb)) {
3119 fputs(_("\nSetting the sparse superblock flag not "
3120 "supported\nfor filesystems with "
3121 "the meta_bg feature enabled.\n"),
3126 ext2fs_set_feature_sparse_super(sb);
3127 sb->s_state &= ~EXT2_VALID_FS;
3128 ext2fs_mark_super_dirty(fs);
3129 printf(_("\nSparse superblock flag set. %s"),
3134 fputs(_("\nClearing the sparse superblock flag not supported.\n"),
3140 sb->s_lastcheck = last_check_time;
3141 ext2fs_mark_super_dirty(fs);
3142 printf(_("Setting time filesystem last checked to %s\n"),
3143 ctime(&last_check_time));
3146 sb->s_def_resuid = resuid;
3147 ext2fs_mark_super_dirty(fs);
3148 printf(_("Setting reserved blocks uid to %lu\n"), resuid);
3151 if (strlen(new_label) > sizeof(sb->s_volume_name))
3152 fputs(_("Warning: label too long, truncating.\n"),
3154 memset(sb->s_volume_name, 0, sizeof(sb->s_volume_name));
3155 strncpy(sb->s_volume_name, new_label,
3156 sizeof(sb->s_volume_name));
3157 ext2fs_mark_super_dirty(fs);
3160 memset(sb->s_last_mounted, 0, sizeof(sb->s_last_mounted));
3161 strncpy(sb->s_last_mounted, new_last_mounted,
3162 sizeof(sb->s_last_mounted));
3163 ext2fs_mark_super_dirty(fs);
3166 rc = update_mntopts(fs, mntopts_cmd);
3171 rc = update_feature_set(fs, features_cmd);
3176 rc = parse_extended_opts(fs, extended_cmd);
3179 if (clear_mmp && !f_flag) {
3180 fputs(_("Error in using clear_mmp. "
3181 "It must be used with -f\n"),
3187 rc = ext2fs_mmp_clear(fs);
3190 if (journal_size || journal_device) {
3191 rc = add_journal(fs);
3197 if (mount_flags & EXT2_MF_MOUNTED) {
3198 fputs(_("The quota feature may only be changed when "
3199 "the filesystem is unmounted.\n"), stderr);
3203 handle_quota_options(fs);
3209 char buf[SUPERBLOCK_SIZE] __attribute__ ((aligned(8)));
3210 __u8 old_uuid[UUID_SIZE];
3212 if (ext2fs_has_group_desc_csum(fs)) {
3214 * Changing the UUID on a metadata_csum FS requires
3215 * rewriting all metadata, which can race with a
3216 * mounted fs. Don't allow that unless we're saving
3217 * the checksum seed.
3219 if ((mount_flags & EXT2_MF_MOUNTED) &&
3220 !ext2fs_has_feature_csum_seed(fs->super) &&
3221 ext2fs_has_feature_metadata_csum(fs->super)) {
3222 fputs(_("The UUID may only be "
3223 "changed when the filesystem is "
3224 "unmounted.\n"), stderr);
3225 fputs(_("If you only use kernels newer than "
3226 "v4.4, run 'tune2fs -O "
3227 "metadata_csum_seed' and re-run this "
3228 "command.\n"), stderr);
3229 try_confirm_csum_seed_support();
3232 if (!ext2fs_has_feature_csum_seed(fs->super))
3233 check_fsck_needed(fs,
3234 _("Setting UUID on a checksummed "
3235 "filesystem could take some time."));
3238 * Determine if the block group checksums are
3239 * correct so we know whether or not to set
3242 for (i = 0; i < fs->group_desc_count; i++)
3243 if (!ext2fs_group_desc_csum_verify(fs, i))
3245 if (i >= fs->group_desc_count)
3249 memcpy(old_uuid, sb->s_uuid, UUID_SIZE);
3250 if ((strcasecmp(new_UUID, "null") == 0) ||
3251 (strcasecmp(new_UUID, "clear") == 0)) {
3252 uuid_clear(sb->s_uuid);
3253 } else if (strcasecmp(new_UUID, "time") == 0) {
3254 uuid_generate_time(sb->s_uuid);
3255 } else if (strcasecmp(new_UUID, "random") == 0) {
3256 uuid_generate(sb->s_uuid);
3257 } else if (uuid_parse(new_UUID, sb->s_uuid)) {
3258 com_err(program_name, 0, "%s",
3259 _("Invalid UUID format\n"));
3263 ext2fs_init_csum_seed(fs);
3265 for (i = 0; i < fs->group_desc_count; i++)
3266 ext2fs_group_desc_csum_set(fs, i);
3267 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
3270 /* If this is a journal dev, we need to copy UUID into jsb */
3271 if (!(rc = get_journal_sb(fs, buf))) {
3272 journal_superblock_t *jsb;
3274 jsb = (journal_superblock_t *) buf;
3275 fputs(_("Need to update journal superblock.\n"), stdout);
3276 memcpy(jsb->s_uuid, sb->s_uuid, sizeof(sb->s_uuid));
3278 /* Writeback the journal superblock */
3279 if ((rc = io_channel_write_blk64(fs->io,
3280 ext2fs_journal_sb_start(fs->blocksize),
3281 -SUPERBLOCK_SIZE, buf)))
3283 } else if (rc != EXT2_ET_UNSUPP_FEATURE)
3286 rc = 0; /** Reset rc to avoid ext2fs_mmp_stop() */
3288 if ((rc = fs_update_journal_user(sb, old_uuid)))
3292 ext2fs_mark_super_dirty(fs);
3293 if (!ext2fs_has_feature_csum_seed(fs->super) &&
3294 (ext2fs_has_feature_metadata_csum(fs->super) ||
3295 ext2fs_has_feature_ea_inode(fs->super)))
3296 rewrite_checksums = 1;
3300 if (mount_flags & EXT2_MF_MOUNTED) {
3301 fputs(_("The inode size may only be "
3302 "changed when the filesystem is "
3303 "unmounted.\n"), stderr);
3307 if (ext2fs_has_feature_flex_bg(fs->super)) {
3308 fputs(_("Changing the inode size not supported for "
3309 "filesystems with the flex_bg\n"
3310 "feature enabled.\n"),
3316 * We want to update group descriptor also
3317 * with the new free inode count
3319 if (rewrite_checksums)
3320 fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
3321 fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
3322 retval = resize_inode(fs, new_inode_size);
3323 if (rewrite_checksums)
3324 fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
3326 printf(_("Setting inode size %lu\n"),
3328 rewrite_checksums = 1;
3330 printf("%s", _("Failed to change inode size\n"));
3336 if (rewrite_checksums)
3337 rewrite_metadata_checksums(fs);
3342 sb->s_raid_stride = stride;
3343 ext2fs_mark_super_dirty(fs);
3344 printf(_("Setting stride size to %d\n"), stride);
3346 if (stripe_width_set) {
3347 sb->s_raid_stripe_width = stripe_width;
3348 ext2fs_mark_super_dirty(fs);
3349 printf(_("Setting stripe width to %d\n"), stripe_width);
3351 if (ext_mount_opts) {
3352 strncpy((char *)(fs->super->s_mount_opts), ext_mount_opts,
3353 sizeof(fs->super->s_mount_opts));
3354 fs->super->s_mount_opts[sizeof(fs->super->s_mount_opts)-1] = 0;
3355 ext2fs_mark_super_dirty(fs);
3356 printf(_("Setting extended default mount options to '%s'\n"),
3358 free(ext_mount_opts);
3362 remove_error_table(&et_ext2_error_table);
3366 ext2fs_mmp_stop(fs);
3367 #ifndef BUILD_AS_LIB
3373 convert_64bit(fs, feature_64bit);
3374 return (ext2fs_close_free(&fs) ? 1 : 0);