static int c_flag, C_flag, e_flag, f_flag, g_flag, i_flag, l_flag, L_flag;
static int m_flag, M_flag, Q_flag, r_flag, s_flag = -1, u_flag, U_flag, T_flag;
static int I_flag;
+static int clear_mmp;
static time_t last_check_time;
static int print_label;
static int max_mount_count, mount_count, mount_flags;
"[-g group]\n"
"\t[-i interval[d|m|w]] [-j] [-J journal_options] [-l]\n"
"\t[-m reserved_blocks_percent] "
- "[-o [^]mount_options[,...]] \n"
+ "[-o [^]mount_options[,...]] [-p mmp_update_interval]\n"
"\t[-r reserved_blocks_count] [-u user] [-C mount_count] "
"[-L volume_label]\n"
"\t[-M last_mounted_dir] [-O [^]feature[,...]]\n"
/* Incompat */
EXT2_FEATURE_INCOMPAT_FILETYPE |
EXT3_FEATURE_INCOMPAT_EXTENTS |
- EXT4_FEATURE_INCOMPAT_FLEX_BG,
+ EXT4_FEATURE_INCOMPAT_FLEX_BG |
+ EXT4_FEATURE_INCOMPAT_MMP,
/* R/O compat */
EXT2_FEATURE_RO_COMPAT_LARGE_FILE |
EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
EXT2_FEATURE_COMPAT_DIR_INDEX,
/* Incompat */
EXT2_FEATURE_INCOMPAT_FILETYPE |
- EXT4_FEATURE_INCOMPAT_FLEX_BG,
+ EXT4_FEATURE_INCOMPAT_FLEX_BG |
+ EXT4_FEATURE_INCOMPAT_MMP,
/* R/O compat */
EXT2_FEATURE_RO_COMPAT_LARGE_FILE |
EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
/*
* Remove an external journal from the filesystem
*/
-static void remove_journal_device(ext2_filsys fs)
+static int remove_journal_device(ext2_filsys fs)
{
char *journal_path;
ext2_filsys jfs;
_("while trying to open external journal"));
goto no_valid_journal;
}
- if (!(jfs->super->s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) {
+ if (!(jfs->super->s_feature_incompat &
+ EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) {
fprintf(stderr, _("%s is not a journal device.\n"),
journal_path);
goto no_valid_journal;
}
jsb = (journal_superblock_t *) buf;
- if ((jsb->s_header.h_magic != (unsigned) ntohl(JFS_MAGIC_NUMBER)) ||
- (jsb->s_header.h_blocktype != (unsigned) ntohl(JFS_SUPERBLOCK_V2))) {
+ if ((jsb->s_header.h_magic != (unsigned)ntohl(JFS_MAGIC_NUMBER)) ||
+ (jsb->s_header.h_blocktype != (unsigned)ntohl(JFS_SUPERBLOCK_V2))) {
fputs(_("Journal superblock not found!\n"), stderr);
goto no_valid_journal;
}
/* Find the filesystem UUID */
nr_users = ntohl(jsb->s_nr_users);
for (i = 0; i < nr_users; i++) {
- if (memcmp(fs->super->s_uuid,
- &jsb->s_users[i*16], 16) == 0)
+ if (memcmp(fs->super->s_uuid, &jsb->s_users[i * 16], 16) == 0)
break;
}
if (i >= nr_users) {
}
nr_users--;
for (i = 0; i < nr_users; i++)
- memcpy(&jsb->s_users[i*16], &jsb->s_users[(i+1)*16], 16);
+ memcpy(&jsb->s_users[i * 16], &jsb->s_users[(i + 1) * 16], 16);
jsb->s_nr_users = htonl(nr_users);
/* Write back the journal superblock */
fputs(_("Cannot locate journal device. It was NOT removed\n"
"Use -f option to remove missing journal device.\n"),
stderr);
- exit(1);
+ return 1;
}
fs->super->s_journal_dev = 0;
uuid_clear(fs->super->s_journal_uuid);
ext2fs_mark_super_dirty(fs);
fputs(_("Journal removed\n"), stdout);
free(journal_path);
+
+ return 0;
}
/* Helper function for remove_journal_inode */
/*
* Remove the journal inode from the filesystem
*/
-static void remove_journal_inode(ext2_filsys fs)
+static errcode_t remove_journal_inode(ext2_filsys fs)
{
struct ext2_inode inode;
errcode_t retval;
if (retval) {
com_err(program_name, retval,
_("while reading journal inode"));
- exit(1);
+ return retval;
}
if (ino == EXT2_JOURNAL_INO) {
retval = ext2fs_read_bitmaps(fs);
if (retval) {
com_err(program_name, retval,
_("while reading bitmaps"));
- exit(1);
+ return retval;
}
retval = ext2fs_block_iterate3(fs, ino,
BLOCK_FLAG_READ_ONLY, NULL,
if (retval) {
com_err(program_name, retval,
_("while clearing journal inode"));
- exit(1);
+ return retval;
}
memset(&inode, 0, sizeof(inode));
ext2fs_mark_bb_dirty(fs);
if (retval) {
com_err(program_name, retval,
_("while writing journal inode"));
- exit(1);
+ return retval;
}
fs->super->s_journal_inum = 0;
ext2fs_mark_super_dirty(fs);
+
+ return 0;
}
/*
* Update the default mount options
*/
-static void update_mntopts(ext2_filsys fs, char *mntopts)
+static int update_mntopts(ext2_filsys fs, char *mntopts)
{
struct ext2_super_block *sb = fs->super;
if (e2p_edit_mntopts(mntopts, &sb->s_default_mount_opts, ~0)) {
fprintf(stderr, _("Invalid mount option set: %s\n"),
mntopts);
- exit(1);
+ return 1;
}
ext2fs_mark_super_dirty(fs);
+
+ return 0;
}
static void request_fsck_afterwards(ext2_filsys fs)
/*
* Update the feature set as provided by the user.
*/
-static void update_feature_set(ext2_filsys fs, char *features)
+static int update_feature_set(ext2_filsys fs, char *features)
{
struct ext2_super_block *sb = fs->super;
struct ext2_group_desc *gd;
fprintf(stderr, _("Setting filesystem feature '%s' "
"not supported.\n"),
e2p_feature2string(type_err, mask_err));
- exit(1);
+ return 1;
}
if (FEATURE_OFF(E2P_FEATURE_COMPAT, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
"cleared when the filesystem is\n"
"unmounted or mounted "
"read-only.\n"), stderr);
- exit(1);
+ return 1;
}
if (sb->s_feature_incompat &
EXT3_FEATURE_INCOMPAT_RECOVER) {
fputs(_("The needs_recovery flag is set. "
"Please run e2fsck before clearing\n"
"the has_journal flag.\n"), stderr);
- exit(1);
+ return 1;
}
if (sb->s_journal_inum) {
- remove_journal_inode(fs);
+ if (remove_journal_inode(fs))
+ return 1;
}
if (sb->s_journal_dev) {
- remove_journal_device(fs);
+ if (remove_journal_device(fs))
+ return 1;
}
}
+ if (FEATURE_ON(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_MMP)) {
+ int error;
+
+ if ((mount_flags & EXT2_MF_MOUNTED) ||
+ (mount_flags & EXT2_MF_READONLY)) {
+ fputs(_("The multiple mount protection feature can't\n"
+ "be set if the filesystem is mounted or\n"
+ "read-only.\n"), stderr);
+ return 1;
+ }
+
+ error = ext2fs_mmp_init(fs);
+ if (error) {
+ fputs(_("\nError while enabling multiple mount "
+ "protection feature."), stderr);
+ return 1;
+ }
+
+ /*
+ * We want to update group desc with the new free blocks count
+ */
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+
+ printf(_("Multiple mount protection has been enabled "
+ "with update interval %ds.\n"),
+ sb->s_mmp_update_interval);
+ }
+
+ if (FEATURE_OFF(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_MMP)) {
+ int error;
+
+ if (mount_flags & EXT2_MF_READONLY) {
+ fputs(_("The multiple mount protection feature cannot\n"
+ "be disabled if the filesystem is readonly.\n"),
+ stderr);
+ return 1;
+ }
+
+ error = ext2fs_read_bitmaps(fs);
+ if (error) {
+ fputs(_("Error while reading bitmaps\n"), stderr);
+ return 1;
+ }
+
+ error = ext2fs_mmp_read(fs, sb->s_mmp_block, NULL);
+ if (error) {
+ struct mmp_struct *mmp_cmp = fs->mmp_cmp;
+
+ if (error == EXT2_ET_MMP_MAGIC_INVALID)
+ printf(_("Magic number in MMP block does not "
+ "match. expected: %x, actual: %x\n"),
+ EXT4_MMP_MAGIC, mmp_cmp->mmp_magic);
+ else
+ com_err(program_name, error,
+ _("while reading MMP block."));
+ goto mmp_error;
+ }
+
+ /* We need to force out the group descriptors as well */
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ ext2fs_block_alloc_stats(fs, sb->s_mmp_block, -1);
+mmp_error:
+ sb->s_mmp_block = 0;
+ sb->s_mmp_update_interval = 0;
+ }
if (FEATURE_ON(E2P_FEATURE_COMPAT, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
/*
fputs(_("Clearing the flex_bg flag would "
"cause the the filesystem to be\n"
"inconsistent.\n"), stderr);
- exit(1);
+ return 1;
}
}
"cleared when the filesystem is\n"
"unmounted or mounted "
"read-only.\n"), stderr);
- exit(1);
+ return 1;
}
}
(old_features[E2P_FEATURE_INCOMPAT] != sb->s_feature_incompat) ||
(old_features[E2P_FEATURE_RO_INCOMPAT] != sb->s_feature_ro_compat))
ext2fs_mark_super_dirty(fs);
+
+ return 0;
}
/*
* Add a journal to the filesystem.
*/
-static void add_journal(ext2_filsys fs)
+static int add_journal(ext2_filsys fs)
{
unsigned long journal_blocks;
errcode_t retval;
fprintf(stderr, "\n");
com_err(program_name, retval,
_("\n\twhile trying to create journal file"));
- exit(1);
+ return retval;
} else
fputs(_("done\n"), stdout);
/*
}
print_check_message(fs->super->s_max_mnt_count,
fs->super->s_checkinterval);
- return;
+ return 0;
err:
free(journal_device);
- exit(1);
+ return 1;
}
void handle_quota_options(ext2_filsys fs)
mntopts_cmd = optarg;
open_flag = EXT2_FLAG_RW;
break;
-
case 'O':
if (features_cmd) {
com_err(program_name, 0,
}
#endif
-static void parse_extended_opts(ext2_filsys fs, const char *opts)
+static int parse_extended_opts(ext2_filsys fs, const char *opts)
{
char *buf, *token, *next, *p, *arg;
int len, hash_alg;
if (!buf) {
fprintf(stderr,
_("Couldn't allocate memory to parse options!\n"));
- exit(1);
+ return 1;
}
strcpy(buf, opts);
for (token = buf; token && *token; token = next) {
*arg = 0;
arg++;
}
- if (!strcmp(token, "test_fs")) {
+ if (strcmp(token, "clear-mmp") == 0 ||
+ strcmp(token, "clear_mmp") == 0) {
+ clear_mmp = 1;
+ } else if (strcmp(token, "mmp_update_interval") == 0) {
+ unsigned long interval;
+ if (!arg) {
+ r_usage++;
+ continue;
+ }
+ interval = strtoul(arg, &p, 0);
+ if (*p) {
+ fprintf(stderr,
+ _("Invalid mmp_update_interval: %s\n"),
+ arg);
+ r_usage++;
+ continue;
+ }
+ if (interval == 0) {
+ interval = EXT4_MMP_UPDATE_INTERVAL;
+ } else if (interval > EXT4_MMP_MAX_UPDATE_INTERVAL) {
+ fprintf(stderr,
+ _("mmp_update_interval too big: %lu\n"),
+ interval);
+ r_usage++;
+ continue;
+ }
+ printf(_("Setting multiple mount protection update "
+ "interval to %lu seconds\n"), interval);
+ fs->super->s_mmp_update_interval = interval;
+ ext2fs_mark_super_dirty(fs);
+ } else if (!strcmp(token, "test_fs")) {
fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
printf("Setting test filesystem flag\n");
ext2fs_mark_super_dirty(fs);
stride = strtoul(arg, &p, 0);
if (*p) {
fprintf(stderr,
- _("Invalid RAID stride: %s\n"),
+ _("Invalid RAID stride: %s\n"),
arg);
r_usage++;
continue;
"and may take an argument which\n"
"\tis set off by an equals ('=') sign.\n\n"
"Valid extended options are:\n"
+ "\tclear_mmp\n"
"\thash_alg=<hash algorithm>\n"
"\tmount_opts=<extended default mount options>\n"
"\tstride=<RAID per-disk chunk size in blocks>\n"
"\ttest_fs\n"
"\t^test_fs\n"));
free(buf);
- exit(1);
+ return 1;
}
free(buf);
+
+ return 0;
}
/*
ext2_filsys fs;
struct ext2_super_block *sb;
io_manager io_ptr, io_ptr_orig = NULL;
+ int rc = 0;
#ifdef ENABLE_NLS
setlocale(LC_MESSAGES, "");
io_ptr = unix_io_manager;
retry_open:
+ if ((open_flag & EXT2_FLAG_RW) == 0 || f_flag)
+ open_flag |= EXT2_FLAG_SKIP_MMP;
+
+ open_flag |= EXT2_FLAG_64BITS;
+
+ /* keep the filesystem struct around to dump MMP data */
+ open_flag |= EXT2_FLAG_NOFREE_ON_ERROR;
+
retval = ext2fs_open2(device_name, io_options, open_flag,
0, 0, io_ptr, &fs);
if (retval) {
- com_err(program_name, retval,
- _("while trying to open %s"),
+ com_err(program_name, retval,
+ _("while trying to open %s"),
device_name);
- fprintf(stderr,
- _("Couldn't find valid filesystem superblock.\n"));
+ if (retval == EXT2_ET_MMP_FSCK_ON ||
+ retval == EXT2_ET_MMP_UNKNOWN_SEQ)
+ dump_mmp_msg(fs->mmp_buf,
+ _("If you are sure the filesystem "
+ "is not in use on any node, run:\n"
+ "'tune2fs -f -E clear_mmp {device}'\n"));
+ else if (retval == EXT2_ET_MMP_FAILED)
+ dump_mmp_msg(fs->mmp_buf, NULL);
+ else if (retval == EXT2_ET_MMP_MAGIC_INVALID)
+ fprintf(stderr,
+ _("MMP block magic is bad. Try to fix it by "
+ "running:\n'e2fsck -f %s'\n"), device_name);
+ else if (retval != EXT2_ET_MMP_FAILED)
+ fprintf(stderr,
+ _("Couldn't find valid filesystem superblock.\n"));
+
+ ext2fs_free(fs);
exit(1);
}
if (new_inode_size == EXT2_INODE_SIZE(fs->super)) {
fprintf(stderr, _("The inode size is already %lu\n"),
new_inode_size);
- exit(1);
+ rc = 1;
+ goto closefs;
}
if (new_inode_size < EXT2_INODE_SIZE(fs->super)) {
fprintf(stderr, _("Shrinking the inode size is "
"not supported\n"));
- exit(1);
+ rc = 1;
+ goto closefs;
}
/*
*/
io_ptr_orig = io_ptr;
retval = tune2fs_setup_tdb(device_name, &io_ptr);
- if (retval)
- exit(1);
+ if (retval) {
+ rc = 1;
+ goto closefs;
+ }
if (io_ptr != io_ptr_orig) {
ext2fs_close(fs);
goto retry_open;
printf("%.*s\n", (int) sizeof(sb->s_volume_name),
sb->s_volume_name);
remove_error_table(&et_ext2_error_table);
- exit(0);
+ goto closefs;
}
retval = ext2fs_check_if_mounted(device_name, &mount_flags);
com_err("ext2fs_check_if_mount", retval,
_("while determining whether %s is mounted."),
device_name);
- exit(1);
+ rc = 1;
+ goto closefs;
}
/* Normally we only need to write out the superblock */
fs->flags |= EXT2_FLAG_SUPER_ONLY;
com_err(program_name, 0,
_("interval between checks is too big (%lu)"),
interval);
- exit(1);
+ rc = 1;
+ goto closefs;
}
sb->s_checkinterval = interval;
ext2fs_mark_super_dirty(fs);
com_err(program_name, 0,
_("reserved blocks count is too big (%llu)"),
reserved_blocks);
- exit(1);
+ rc = 1;
+ goto closefs;
}
ext2fs_r_blocks_count_set(sb, reserved_blocks);
ext2fs_mark_super_dirty(fs);
if (s_flag == 0) {
fputs(_("\nClearing the sparse superflag not supported.\n"),
stderr);
- exit(1);
+ rc = 1;
+ goto closefs;
}
if (T_flag) {
sb->s_lastcheck = last_check_time;
sizeof(sb->s_last_mounted));
ext2fs_mark_super_dirty(fs);
}
- if (mntopts_cmd)
- update_mntopts(fs, mntopts_cmd);
- if (features_cmd)
- update_feature_set(fs, features_cmd);
- if (extended_cmd)
- parse_extended_opts(fs, extended_cmd);
- if (journal_size || journal_device)
- add_journal(fs);
+ if (mntopts_cmd) {
+ rc = update_mntopts(fs, mntopts_cmd);
+ if (rc)
+ goto closefs;
+ }
+ if (features_cmd) {
+ rc = update_feature_set(fs, features_cmd);
+ if (rc)
+ goto closefs;
+ }
+ if (extended_cmd) {
+ rc = parse_extended_opts(fs, extended_cmd);
+ if (rc)
+ goto closefs;
+ if (clear_mmp && !f_flag) {
+ fputs(_("Error in using clear_mmp. "
+ "It must be used with -f\n"),
+ stderr);
+ goto closefs;
+ }
+ }
+ if (clear_mmp) {
+ rc = ext2fs_mmp_clear(fs);
+ goto closefs;
+ }
+ if (journal_size || journal_device) {
+ rc = add_journal(fs);
+ if (rc)
+ goto closefs;
+ }
if (Q_flag) {
if (mount_flags & EXT2_MF_MOUNTED) {
fputs(_("The quota feature may only be changed when "
"the filesystem is unmounted.\n"), stderr);
- exit(1);
+ rc = 1;
+ goto closefs;
}
handle_quota_options(fs);
}
uuid_generate(sb->s_uuid);
} else if (uuid_parse(new_UUID, sb->s_uuid)) {
com_err(program_name, 0, _("Invalid UUID format\n"));
- exit(1);
+ rc = 1;
+ goto closefs;
}
if (set_csum) {
for (i = 0; i < fs->group_desc_count; i++)
fputs(_("The inode size may only be "
"changed when the filesystem is "
"unmounted.\n"), stderr);
- exit(1);
+ rc = 1;
+ goto closefs;
}
if (fs->super->s_feature_incompat &
EXT4_FEATURE_INCOMPAT_FLEX_BG) {
"filesystems with the flex_bg\n"
"feature enabled.\n"),
stderr);
- exit(1);
+ rc = 1;
+ goto closefs;
}
/*
* We want to update group descriptor also
new_inode_size);
} else {
printf(_("Failed to change inode size\n"));
- exit(1);
+ rc = 1;
+ goto closefs;
}
}
}
free(device_name);
remove_error_table(&et_ext2_error_table);
+
+closefs:
+ if (rc) {
+ ext2fs_mmp_stop(fs);
+ exit(1);
+ }
+
return (ext2fs_close(fs) ? 1 : 0);
}
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff