[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/e2fsprogs/e2fsprogs-1.42.9/misc/tune2fs.c b/ap/app/e2fsprogs/e2fsprogs-1.42.9/misc/tune2fs.c
new file mode 100644
index 0000000..568fb30
--- /dev/null
+++ b/ap/app/e2fsprogs/e2fsprogs-1.42.9/misc/tune2fs.c
@@ -0,0 +1,2270 @@
+/*
+ * tune2fs.c - Change the file system parameters on an ext2 file system
+ *
+ * Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/06/01 - Creation
+ * 93/10/31 - Added the -c option to change the maximal mount counts
+ * 93/12/14 - Added -l flag to list contents of superblock
+ * M.J.E. Mol (marcel@duteca.et.tudelft.nl)
+ * F.W. ten Wolde (franky@duteca.et.tudelft.nl)
+ * 93/12/29 - Added the -e option to change errors behavior
+ * 94/02/27 - Ported to use the ext2fs library
+ * 94/03/06 - Added the checks interval from Uwe Ohse (uwe@tirka.gun.de)
+ */
+
+#define _XOPEN_SOURCE 600 /* for inclusion of strptime() */
+#include "config.h"
+#include <fcntl.h>
+#include <grp.h>
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#else
+extern char *optarg;
+extern int optind;
+#endif
+#include <pwd.h>
+#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRINGS_H
+#include <strings.h> /* for strcasecmp() */
+#else
+#define _BSD_SOURCE /* for inclusion of strcasecmp() via <string.h> */
+#endif
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <libgen.h>
+#include <limits.h>
+
+#include "ext2fs/ext2_fs.h"
+#include "ext2fs/ext2fs.h"
+#include "et/com_err.h"
+#include "uuid/uuid.h"
+#include "e2p/e2p.h"
+#include "jfs_user.h"
+#include "util.h"
+#include "blkid/blkid.h"
+#include "quota/mkquota.h"
+
+#include "../version.h"
+#include "nls-enable.h"
+
+#define QOPT_ENABLE (1)
+#define QOPT_DISABLE (-1)
+
+extern int ask_yn(const char *string, int def);
+
+const char *program_name = "tune2fs";
+char *device_name;
+char *new_label, *new_last_mounted, *new_UUID;
+char *io_options;
+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;
+static unsigned long interval;
+static blk64_t reserved_blocks;
+static double reserved_ratio;
+static unsigned long resgid, resuid;
+static unsigned short errors;
+static int open_flag;
+static char *features_cmd;
+static char *mntopts_cmd;
+static int stride, stripe_width;
+static int stride_set, stripe_width_set;
+static char *extended_cmd;
+static unsigned long new_inode_size;
+static char *ext_mount_opts;
+static int usrquota, grpquota;
+
+int journal_size, journal_flags;
+char *journal_device;
+
+static struct list_head blk_move_list;
+
+struct blk_move {
+ struct list_head list;
+ blk64_t old_loc;
+ blk64_t new_loc;
+};
+
+
+static const char *please_fsck = N_("Please run e2fsck on the filesystem.\n");
+
+#ifdef CONFIG_BUILD_FINDFS
+void do_findfs(int argc, char **argv);
+#endif
+
+static void usage(void)
+{
+ fprintf(stderr,
+ _("Usage: %s [-c max_mounts_count] [-e errors_behavior] "
+ "[-g group]\n"
+ "\t[-i interval[d|m|w]] [-j] [-J journal_options] [-l]\n"
+ "\t[-m reserved_blocks_percent] "
+ "[-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"
+#ifdef CONFIG_QUOTA
+ "\t[-Q quota_options]\n"
+#endif
+ "\t[-E extended-option[,...]] [-T last_check_time] "
+ "[-U UUID]\n\t[ -I new_inode_size ] device\n"), program_name);
+ exit(1);
+}
+
+static __u32 ok_features[3] = {
+ /* Compat */
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL |
+ EXT2_FEATURE_COMPAT_DIR_INDEX,
+ /* Incompat */
+ EXT2_FEATURE_INCOMPAT_FILETYPE |
+ EXT3_FEATURE_INCOMPAT_EXTENTS |
+ EXT4_FEATURE_INCOMPAT_FLEX_BG |
+ EXT4_FEATURE_INCOMPAT_MMP,
+ /* R/O compat */
+ EXT2_FEATURE_RO_COMPAT_LARGE_FILE |
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
+ EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
+ EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
+#ifdef CONFIG_QUOTA
+ EXT4_FEATURE_RO_COMPAT_QUOTA |
+#endif
+ EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER
+};
+
+static __u32 clear_ok_features[3] = {
+ /* Compat */
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL |
+ EXT2_FEATURE_COMPAT_RESIZE_INODE |
+ EXT2_FEATURE_COMPAT_DIR_INDEX,
+ /* Incompat */
+ EXT2_FEATURE_INCOMPAT_FILETYPE |
+ EXT4_FEATURE_INCOMPAT_FLEX_BG |
+ EXT4_FEATURE_INCOMPAT_MMP,
+ /* R/O compat */
+ EXT2_FEATURE_RO_COMPAT_LARGE_FILE |
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
+ EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
+ EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|
+#ifdef CONFIG_QUOTA
+ EXT4_FEATURE_RO_COMPAT_QUOTA |
+#endif
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM
+};
+
+/*
+ * Remove an external journal from the filesystem
+ */
+static int remove_journal_device(ext2_filsys fs)
+{
+ char *journal_path;
+ ext2_filsys jfs;
+ char buf[1024];
+ journal_superblock_t *jsb;
+ int i, nr_users;
+ errcode_t retval;
+ int commit_remove_journal = 0;
+ io_manager io_ptr;
+
+ if (f_flag)
+ commit_remove_journal = 1; /* force removal even if error */
+
+ uuid_unparse(fs->super->s_journal_uuid, buf);
+ journal_path = blkid_get_devname(NULL, "UUID", buf);
+
+ if (!journal_path) {
+ journal_path =
+ ext2fs_find_block_device(fs->super->s_journal_dev);
+ if (!journal_path)
+ goto no_valid_journal;
+ }
+
+#ifdef CONFIG_TESTIO_DEBUG
+ if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
+ io_ptr = test_io_manager;
+ test_io_backing_manager = unix_io_manager;
+ } else
+#endif
+ io_ptr = unix_io_manager;
+ retval = ext2fs_open(journal_path, EXT2_FLAG_RW|
+ EXT2_FLAG_JOURNAL_DEV_OK, 0,
+ fs->blocksize, io_ptr, &jfs);
+ if (retval) {
+ com_err(program_name, retval, "%s",
+ _("while trying to open external journal"));
+ goto no_valid_journal;
+ }
+ 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;
+ }
+
+ /* Get the journal superblock */
+ if ((retval = io_channel_read_blk64(jfs->io, 1, -1024, buf))) {
+ com_err(program_name, retval, "%s",
+ _("while reading journal superblock"));
+ 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))) {
+ 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)
+ break;
+ }
+ if (i >= nr_users) {
+ fputs(_("Filesystem's UUID not found on journal device.\n"),
+ stderr);
+ commit_remove_journal = 1;
+ goto no_valid_journal;
+ }
+ nr_users--;
+ for (i = 0; i < nr_users; i++)
+ 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 */
+ if ((retval = io_channel_write_blk64(jfs->io, 1, -1024, buf))) {
+ com_err(program_name, retval,
+ "while writing journal superblock.");
+ goto no_valid_journal;
+ }
+
+ commit_remove_journal = 1;
+
+no_valid_journal:
+ if (commit_remove_journal == 0) {
+ fputs(_("Cannot locate journal device. It was NOT removed\n"
+ "Use -f option to remove missing journal device.\n"),
+ stderr);
+ 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 */
+static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
+ e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
+ blk64_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *private EXT2FS_ATTR((unused)))
+{
+ blk64_t block;
+ int group;
+
+ block = *blocknr;
+ ext2fs_unmark_block_bitmap2(fs->block_map, block);
+ group = ext2fs_group_of_blk2(fs, block);
+ ext2fs_bg_free_blocks_count_set(fs, group, ext2fs_bg_free_blocks_count(fs, group) + 1);
+ ext2fs_group_desc_csum_set(fs, group);
+ ext2fs_free_blocks_count_add(fs->super, EXT2FS_CLUSTER_RATIO(fs));
+ return 0;
+}
+
+/*
+ * Remove the journal inode from the filesystem
+ */
+static errcode_t remove_journal_inode(ext2_filsys fs)
+{
+ struct ext2_inode inode;
+ errcode_t retval;
+ ino_t ino = fs->super->s_journal_inum;
+
+ retval = ext2fs_read_inode(fs, ino, &inode);
+ if (retval) {
+ com_err(program_name, retval, "%s",
+ _("while reading journal inode"));
+ return retval;
+ }
+ if (ino == EXT2_JOURNAL_INO) {
+ retval = ext2fs_read_bitmaps(fs);
+ if (retval) {
+ com_err(program_name, retval, "%s",
+ _("while reading bitmaps"));
+ return retval;
+ }
+ retval = ext2fs_block_iterate3(fs, ino,
+ BLOCK_FLAG_READ_ONLY, NULL,
+ release_blocks_proc, NULL);
+ if (retval) {
+ com_err(program_name, retval, "%s",
+ _("while clearing journal inode"));
+ return retval;
+ }
+ memset(&inode, 0, sizeof(inode));
+ ext2fs_mark_bb_dirty(fs);
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ } else
+ inode.i_flags &= ~EXT2_IMMUTABLE_FL;
+ retval = ext2fs_write_inode(fs, ino, &inode);
+ if (retval) {
+ com_err(program_name, retval, "%s",
+ _("while writing journal inode"));
+ return retval;
+ }
+ fs->super->s_journal_inum = 0;
+ ext2fs_mark_super_dirty(fs);
+
+ return 0;
+}
+
+/*
+ * Update the default mount options
+ */
+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);
+ return 1;
+ }
+ ext2fs_mark_super_dirty(fs);
+
+ return 0;
+}
+
+static int check_fsck_needed(ext2_filsys fs)
+{
+ if (fs->super->s_state & EXT2_VALID_FS)
+ return 0;
+ printf("\n%s\n", _(please_fsck));
+ if (mount_flags & EXT2_MF_READONLY)
+ printf(_("(and reboot afterwards!)\n"));
+ return 1;
+}
+
+static void request_fsck_afterwards(ext2_filsys fs)
+{
+ static int requested = 0;
+
+ if (requested++)
+ return;
+ fs->super->s_state &= ~EXT2_VALID_FS;
+ printf("\n%s\n", _(please_fsck));
+ if (mount_flags & EXT2_MF_READONLY)
+ printf("%s", _("(and reboot afterwards!)\n"));
+}
+
+/*
+ * Update the feature set as provided by the user.
+ */
+static int update_feature_set(ext2_filsys fs, char *features)
+{
+ struct ext2_super_block *sb = fs->super;
+ struct ext2_group_desc *gd;
+ __u32 old_features[3];
+ dgrp_t i;
+ int type_err;
+ unsigned int mask_err;
+
+#define FEATURE_ON(type, mask) (!(old_features[(type)] & (mask)) && \
+ ((&sb->s_feature_compat)[(type)] & (mask)))
+#define FEATURE_OFF(type, mask) ((old_features[(type)] & (mask)) && \
+ !((&sb->s_feature_compat)[(type)] & (mask)))
+#define FEATURE_CHANGED(type, mask) ((mask) & \
+ (old_features[(type)] ^ (&sb->s_feature_compat)[(type)]))
+
+ old_features[E2P_FEATURE_COMPAT] = sb->s_feature_compat;
+ old_features[E2P_FEATURE_INCOMPAT] = sb->s_feature_incompat;
+ old_features[E2P_FEATURE_RO_INCOMPAT] = sb->s_feature_ro_compat;
+
+ if (e2p_edit_feature2(features, &sb->s_feature_compat,
+ ok_features, clear_ok_features,
+ &type_err, &mask_err)) {
+ if (!mask_err)
+ fprintf(stderr,
+ _("Invalid filesystem option set: %s\n"),
+ features);
+ else if (type_err & E2P_FEATURE_NEGATE_FLAG)
+ fprintf(stderr, _("Clearing filesystem feature '%s' "
+ "not supported.\n"),
+ e2p_feature2string(type_err &
+ E2P_FEATURE_TYPE_MASK,
+ mask_err));
+ else
+ fprintf(stderr, _("Setting filesystem feature '%s' "
+ "not supported.\n"),
+ e2p_feature2string(type_err, mask_err));
+ return 1;
+ }
+
+ if (FEATURE_OFF(E2P_FEATURE_COMPAT, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
+ if ((mount_flags & EXT2_MF_MOUNTED) &&
+ !(mount_flags & EXT2_MF_READONLY)) {
+ fputs(_("The has_journal feature may only be "
+ "cleared when the filesystem is\n"
+ "unmounted or mounted "
+ "read-only.\n"), stderr);
+ 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);
+ return 1;
+ }
+ if (sb->s_journal_inum) {
+ if (remove_journal_inode(fs))
+ return 1;
+ }
+ if (sb->s_journal_dev) {
+ 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, "%s",
+ _("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_stats2(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)) {
+ /*
+ * If adding a journal flag, let the create journal
+ * code below handle setting the flag and creating the
+ * journal. We supply a default size if necessary.
+ */
+ if (!journal_size)
+ journal_size = -1;
+ sb->s_feature_compat &= ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
+ }
+
+ if (FEATURE_ON(E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_DIR_INDEX)) {
+ if (!sb->s_def_hash_version)
+ sb->s_def_hash_version = EXT2_HASH_HALF_MD4;
+ if (uuid_is_null((unsigned char *) sb->s_hash_seed))
+ uuid_generate((unsigned char *) sb->s_hash_seed);
+ }
+
+ if (FEATURE_OFF(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
+ if (ext2fs_check_desc(fs)) {
+ fputs(_("Clearing the flex_bg flag would "
+ "cause the the filesystem to be\n"
+ "inconsistent.\n"), stderr);
+ return 1;
+ }
+ }
+
+ if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE)) {
+ if ((mount_flags & EXT2_MF_MOUNTED) &&
+ !(mount_flags & EXT2_MF_READONLY)) {
+ fputs(_("The huge_file feature may only be "
+ "cleared when the filesystem is\n"
+ "unmounted or mounted "
+ "read-only.\n"), stderr);
+ return 1;
+ }
+ }
+
+ if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
+ for (i = 0; i < fs->group_desc_count; i++) {
+ gd = ext2fs_group_desc(fs, fs->group_desc, i);
+ gd->bg_itable_unused = 0;
+ gd->bg_flags = EXT2_BG_INODE_ZEROED;
+ ext2fs_group_desc_csum_set(fs, i);
+ }
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ }
+
+ if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
+ for (i = 0; i < fs->group_desc_count; i++) {
+ gd = ext2fs_group_desc(fs, fs->group_desc, i);
+ if ((gd->bg_flags & EXT2_BG_INODE_ZEROED) == 0) {
+ /*
+ * XXX what we really should do is zap
+ * uninitialized inode tables instead.
+ */
+ request_fsck_afterwards(fs);
+ break;
+ }
+ gd->bg_itable_unused = 0;
+ gd->bg_flags = 0;
+ gd->bg_checksum = 0;
+ }
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ }
+
+ if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_QUOTA)) {
+ /*
+ * Set the Q_flag here and handle the quota options in the code
+ * below.
+ */
+ if (!Q_flag) {
+ Q_flag = 1;
+ /* Enable both user quota and group quota by default */
+ usrquota = QOPT_ENABLE;
+ grpquota = QOPT_ENABLE;
+ }
+ sb->s_feature_ro_compat &= ~EXT4_FEATURE_RO_COMPAT_QUOTA;
+ }
+
+ if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_QUOTA)) {
+ /*
+ * Set the Q_flag here and handle the quota options in the code
+ * below.
+ */
+ if (Q_flag)
+ fputs(_("\nWarning: '^quota' option overrides '-Q'"
+ "arguments.\n"), stderr);
+ Q_flag = 1;
+ /* Disable both user quota and group quota by default */
+ usrquota = QOPT_DISABLE;
+ grpquota = QOPT_DISABLE;
+ }
+
+ if (sb->s_rev_level == EXT2_GOOD_OLD_REV &&
+ (sb->s_feature_compat || sb->s_feature_ro_compat ||
+ sb->s_feature_incompat))
+ ext2fs_update_dynamic_rev(fs);
+
+ if (FEATURE_CHANGED(E2P_FEATURE_RO_INCOMPAT,
+ EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER) ||
+ FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE) ||
+ FEATURE_CHANGED(E2P_FEATURE_INCOMPAT,
+ EXT2_FEATURE_INCOMPAT_FILETYPE) ||
+ FEATURE_CHANGED(E2P_FEATURE_COMPAT,
+ EXT2_FEATURE_COMPAT_RESIZE_INODE) ||
+ FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
+ EXT2_FEATURE_RO_COMPAT_LARGE_FILE))
+ request_fsck_afterwards(fs);
+
+ if ((old_features[E2P_FEATURE_COMPAT] != sb->s_feature_compat) ||
+ (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 int add_journal(ext2_filsys fs)
+{
+ unsigned long journal_blocks;
+ errcode_t retval;
+ ext2_filsys jfs;
+ io_manager io_ptr;
+
+ if (fs->super->s_feature_compat &
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL) {
+ fputs(_("The filesystem already has a journal.\n"), stderr);
+ goto err;
+ }
+ if (journal_device) {
+ check_plausibility(journal_device);
+ check_mount(journal_device, 0, _("journal"));
+#ifdef CONFIG_TESTIO_DEBUG
+ if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) {
+ io_ptr = test_io_manager;
+ test_io_backing_manager = unix_io_manager;
+ } else
+#endif
+ io_ptr = unix_io_manager;
+ retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
+ EXT2_FLAG_JOURNAL_DEV_OK, 0,
+ fs->blocksize, io_ptr, &jfs);
+ if (retval) {
+ com_err(program_name, retval,
+ _("\n\twhile trying to open journal on %s\n"),
+ journal_device);
+ goto err;
+ }
+ printf(_("Creating journal on device %s: "),
+ journal_device);
+ fflush(stdout);
+
+ retval = ext2fs_add_journal_device(fs, jfs);
+ ext2fs_close(jfs);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while adding filesystem to journal on %s"),
+ journal_device);
+ goto err;
+ }
+ fputs(_("done\n"), stdout);
+ } else if (journal_size) {
+ fputs(_("Creating journal inode: "), stdout);
+ fflush(stdout);
+ journal_blocks = figure_journal_size(journal_size, fs);
+
+ retval = ext2fs_add_journal_inode(fs, journal_blocks,
+ journal_flags);
+ if (retval) {
+ fprintf(stderr, "\n");
+ com_err(program_name, retval, "%s",
+ _("\n\twhile trying to create journal file"));
+ return retval;
+ } else
+ fputs(_("done\n"), stdout);
+ /*
+ * If the filesystem wasn't mounted, we need to force
+ * the block group descriptors out.
+ */
+ if ((mount_flags & EXT2_MF_MOUNTED) == 0)
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ }
+ print_check_message(fs->super->s_max_mnt_count,
+ fs->super->s_checkinterval);
+ return 0;
+
+err:
+ free(journal_device);
+ return 1;
+}
+
+static void handle_quota_options(ext2_filsys fs)
+{
+ quota_ctx_t qctx;
+ ext2_ino_t qf_ino;
+
+ if (!usrquota && !grpquota)
+ /* Nothing to do. */
+ return;
+
+ quota_init_context(&qctx, fs, -1);
+
+ if (usrquota == QOPT_ENABLE || grpquota == QOPT_ENABLE)
+ quota_compute_usage(qctx);
+
+ if (usrquota == QOPT_ENABLE && !fs->super->s_usr_quota_inum) {
+ if ((qf_ino = quota_file_exists(fs, USRQUOTA,
+ QFMT_VFS_V1)) > 0)
+ quota_update_limits(qctx, qf_ino, USRQUOTA);
+ quota_write_inode(qctx, USRQUOTA);
+ } else if (usrquota == QOPT_DISABLE) {
+ quota_remove_inode(fs, USRQUOTA);
+ }
+
+ if (grpquota == QOPT_ENABLE && !fs->super->s_grp_quota_inum) {
+ if ((qf_ino = quota_file_exists(fs, GRPQUOTA,
+ QFMT_VFS_V1)) > 0)
+ quota_update_limits(qctx, qf_ino, GRPQUOTA);
+ quota_write_inode(qctx, GRPQUOTA);
+ } else if (grpquota == QOPT_DISABLE) {
+ quota_remove_inode(fs, GRPQUOTA);
+ }
+
+ quota_release_context(&qctx);
+
+ if ((usrquota == QOPT_ENABLE) || (grpquota == QOPT_ENABLE)) {
+ fprintf(stderr, "%s", _("\nWarning: the quota feature is still "
+ "under development\n"
+ "See https://ext4.wiki.kernel.org/"
+ "index.php/Quota for more information\n\n"));
+ fs->super->s_feature_ro_compat |= EXT4_FEATURE_RO_COMPAT_QUOTA;
+ ext2fs_mark_super_dirty(fs);
+ } else if (!fs->super->s_usr_quota_inum &&
+ !fs->super->s_grp_quota_inum) {
+ fs->super->s_feature_ro_compat &= ~EXT4_FEATURE_RO_COMPAT_QUOTA;
+ ext2fs_mark_super_dirty(fs);
+ }
+
+ return;
+}
+
+#ifdef CONFIG_QUOTA
+static void parse_quota_opts(const char *opts)
+{
+ char *buf, *token, *next, *p;
+ int len;
+
+ len = strlen(opts);
+ buf = malloc(len+1);
+ if (!buf) {
+ fputs(_("Couldn't allocate memory to parse quota "
+ "options!\n"), stderr);
+ exit(1);
+ }
+ strcpy(buf, opts);
+ for (token = buf; token && *token; token = next) {
+ p = strchr(token, ',');
+ next = 0;
+ if (p) {
+ *p = 0;
+ next = p+1;
+ }
+
+ if (strcmp(token, "usrquota") == 0) {
+ usrquota = QOPT_ENABLE;
+ } else if (strcmp(token, "^usrquota") == 0) {
+ usrquota = QOPT_DISABLE;
+ } else if (strcmp(token, "grpquota") == 0) {
+ grpquota = QOPT_ENABLE;
+ } else if (strcmp(token, "^grpquota") == 0) {
+ grpquota = QOPT_DISABLE;
+ } else {
+ fputs(_("\nBad quota options specified.\n\n"
+ "Following valid quota options are available "
+ "(pass by separating with comma):\n"
+ "\t[^]usrquota\n"
+ "\t[^]grpquota\n"
+ "\n\n"), stderr);
+ free(buf);
+ exit(1);
+ }
+ }
+ free(buf);
+}
+#endif
+
+static void parse_e2label_options(int argc, char ** argv)
+{
+ if ((argc < 2) || (argc > 3)) {
+ fputs(_("Usage: e2label device [newlabel]\n"), stderr);
+ exit(1);
+ }
+ io_options = strchr(argv[1], '?');
+ if (io_options)
+ *io_options++ = 0;
+ device_name = blkid_get_devname(NULL, argv[1], NULL);
+ if (!device_name) {
+ com_err("e2label", 0, _("Unable to resolve '%s'"),
+ argv[1]);
+ exit(1);
+ }
+ open_flag = EXT2_FLAG_JOURNAL_DEV_OK;
+ if (argc == 3) {
+ open_flag |= EXT2_FLAG_RW;
+ L_flag = 1;
+ new_label = argv[2];
+ } else
+ print_label++;
+}
+
+static time_t parse_time(char *str)
+{
+ struct tm ts;
+
+ if (strcmp(str, "now") == 0) {
+ return (time(0));
+ }
+ memset(&ts, 0, sizeof(ts));
+#ifdef HAVE_STRPTIME
+ strptime(str, "%Y%m%d%H%M%S", &ts);
+#else
+ sscanf(str, "%4d%2d%2d%2d%2d%2d", &ts.tm_year, &ts.tm_mon,
+ &ts.tm_mday, &ts.tm_hour, &ts.tm_min, &ts.tm_sec);
+ ts.tm_year -= 1900;
+ ts.tm_mon -= 1;
+ if (ts.tm_year < 0 || ts.tm_mon < 0 || ts.tm_mon > 11 ||
+ ts.tm_mday < 0 || ts.tm_mday > 31 || ts.tm_hour > 23 ||
+ ts.tm_min > 59 || ts.tm_sec > 61)
+ ts.tm_mday = 0;
+#endif
+ if (ts.tm_mday == 0) {
+ com_err(program_name, 0,
+ _("Couldn't parse date/time specifier: %s"),
+ str);
+ usage();
+ }
+ ts.tm_isdst = -1;
+ return (mktime(&ts));
+}
+
+static void parse_tune2fs_options(int argc, char **argv)
+{
+ int c;
+ char *tmp;
+ struct group *gr;
+ struct passwd *pw;
+ char optstring[100] = "c:e:fg:i:jlm:o:r:s:u:C:E:I:J:L:M:O:T:U:";
+
+#ifdef CONFIG_QUOTA
+ strcat(optstring, "Q:");
+#endif
+ open_flag = 0;
+
+ printf("tune2fs %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE);
+ while ((c = getopt(argc, argv, optstring)) != EOF)
+ switch (c) {
+ case 'c':
+ max_mount_count = strtol(optarg, &tmp, 0);
+ if (*tmp || max_mount_count > 16000) {
+ com_err(program_name, 0,
+ _("bad mounts count - %s"),
+ optarg);
+ usage();
+ }
+ if (max_mount_count == 0)
+ max_mount_count = -1;
+ c_flag = 1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'C':
+ mount_count = strtoul(optarg, &tmp, 0);
+ if (*tmp || mount_count > 16000) {
+ com_err(program_name, 0,
+ _("bad mounts count - %s"),
+ optarg);
+ usage();
+ }
+ C_flag = 1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'e':
+ if (strcmp(optarg, "continue") == 0)
+ errors = EXT2_ERRORS_CONTINUE;
+ else if (strcmp(optarg, "remount-ro") == 0)
+ errors = EXT2_ERRORS_RO;
+ else if (strcmp(optarg, "panic") == 0)
+ errors = EXT2_ERRORS_PANIC;
+ else {
+ com_err(program_name, 0,
+ _("bad error behavior - %s"),
+ optarg);
+ usage();
+ }
+ e_flag = 1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'E':
+ extended_cmd = optarg;
+ open_flag |= EXT2_FLAG_RW;
+ break;
+ case 'f': /* Force */
+ f_flag = 1;
+ break;
+ case 'g':
+ resgid = strtoul(optarg, &tmp, 0);
+ if (*tmp) {
+ gr = getgrnam(optarg);
+ if (gr == NULL)
+ tmp = optarg;
+ else {
+ resgid = gr->gr_gid;
+ *tmp = 0;
+ }
+ }
+ if (*tmp) {
+ com_err(program_name, 0,
+ _("bad gid/group name - %s"),
+ optarg);
+ usage();
+ }
+ g_flag = 1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'i':
+ interval = strtoul(optarg, &tmp, 0);
+ switch (*tmp) {
+ case 's':
+ tmp++;
+ break;
+ case '\0':
+ case 'd':
+ case 'D': /* days */
+ interval *= 86400;
+ if (*tmp != '\0')
+ tmp++;
+ break;
+ case 'm':
+ case 'M': /* months! */
+ interval *= 86400 * 30;
+ tmp++;
+ break;
+ case 'w':
+ case 'W': /* weeks */
+ interval *= 86400 * 7;
+ tmp++;
+ break;
+ }
+ if (*tmp) {
+ com_err(program_name, 0,
+ _("bad interval - %s"), optarg);
+ usage();
+ }
+ i_flag = 1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'j':
+ if (!journal_size)
+ journal_size = -1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'J':
+ parse_journal_opts(optarg);
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'l':
+ l_flag = 1;
+ break;
+ case 'L':
+ new_label = optarg;
+ L_flag = 1;
+ open_flag |= EXT2_FLAG_RW |
+ EXT2_FLAG_JOURNAL_DEV_OK;
+ break;
+ case 'm':
+ reserved_ratio = strtod(optarg, &tmp);
+ if (*tmp || reserved_ratio > 50 ||
+ reserved_ratio < 0) {
+ com_err(program_name, 0,
+ _("bad reserved block ratio - %s"),
+ optarg);
+ usage();
+ }
+ m_flag = 1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'M':
+ new_last_mounted = optarg;
+ M_flag = 1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'o':
+ if (mntopts_cmd) {
+ com_err(program_name, 0, "%s",
+ _("-o may only be specified once"));
+ usage();
+ }
+ mntopts_cmd = optarg;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'O':
+ if (features_cmd) {
+ com_err(program_name, 0, "%s",
+ _("-O may only be specified once"));
+ usage();
+ }
+ features_cmd = optarg;
+ open_flag = EXT2_FLAG_RW;
+ break;
+#ifdef CONFIG_QUOTA
+ case 'Q':
+ Q_flag = 1;
+ parse_quota_opts(optarg);
+ open_flag = EXT2_FLAG_RW;
+ break;
+#endif
+ case 'r':
+ reserved_blocks = strtoul(optarg, &tmp, 0);
+ if (*tmp) {
+ com_err(program_name, 0,
+ _("bad reserved blocks count - %s"),
+ optarg);
+ usage();
+ }
+ r_flag = 1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 's': /* Deprecated */
+ s_flag = atoi(optarg);
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'T':
+ T_flag = 1;
+ last_check_time = parse_time(optarg);
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'u':
+ resuid = strtoul(optarg, &tmp, 0);
+ if (*tmp) {
+ pw = getpwnam(optarg);
+ if (pw == NULL)
+ tmp = optarg;
+ else {
+ resuid = pw->pw_uid;
+ *tmp = 0;
+ }
+ }
+ if (*tmp) {
+ com_err(program_name, 0,
+ _("bad uid/user name - %s"),
+ optarg);
+ usage();
+ }
+ u_flag = 1;
+ open_flag = EXT2_FLAG_RW;
+ break;
+ case 'U':
+ new_UUID = optarg;
+ U_flag = 1;
+ open_flag = EXT2_FLAG_RW |
+ EXT2_FLAG_JOURNAL_DEV_OK;
+ break;
+ case 'I':
+ new_inode_size = strtoul(optarg, &tmp, 0);
+ if (*tmp) {
+ com_err(program_name, 0,
+ _("bad inode size - %s"),
+ optarg);
+ usage();
+ }
+ if (!((new_inode_size &
+ (new_inode_size - 1)) == 0)) {
+ com_err(program_name, 0,
+ _("Inode size must be a "
+ "power of two- %s"),
+ optarg);
+ usage();
+ }
+ open_flag = EXT2_FLAG_RW;
+ I_flag = 1;
+ break;
+ default:
+ usage();
+ }
+ if (optind < argc - 1 || optind == argc)
+ usage();
+ if (!open_flag && !l_flag)
+ usage();
+ io_options = strchr(argv[optind], '?');
+ if (io_options)
+ *io_options++ = 0;
+ device_name = blkid_get_devname(NULL, argv[optind], NULL);
+ if (!device_name) {
+ com_err(program_name, 0, _("Unable to resolve '%s'"),
+ argv[optind]);
+ exit(1);
+ }
+}
+
+#ifdef CONFIG_BUILD_FINDFS
+void do_findfs(int argc, char **argv)
+{
+ char *dev;
+
+ if ((argc != 2) ||
+ (strncmp(argv[1], "LABEL=", 6) && strncmp(argv[1], "UUID=", 5))) {
+ fprintf(stderr, "Usage: findfs LABEL=<label>|UUID=<uuid>\n");
+ exit(2);
+ }
+ dev = blkid_get_devname(NULL, argv[1], NULL);
+ if (!dev) {
+ com_err("findfs", 0, _("Unable to resolve '%s'"),
+ argv[1]);
+ exit(1);
+ }
+ puts(dev);
+ exit(0);
+}
+#endif
+
+static int parse_extended_opts(ext2_filsys fs, const char *opts)
+{
+ char *buf, *token, *next, *p, *arg;
+ int len, hash_alg;
+ int r_usage = 0;
+
+ len = strlen(opts);
+ buf = malloc(len+1);
+ if (!buf) {
+ fprintf(stderr, "%s",
+ _("Couldn't allocate memory to parse options!\n"));
+ return 1;
+ }
+ strcpy(buf, opts);
+ for (token = buf; token && *token; token = next) {
+ p = strchr(token, ',');
+ next = 0;
+ if (p) {
+ *p = 0;
+ next = p+1;
+ }
+ arg = strchr(token, '=');
+ if (arg) {
+ *arg = 0;
+ arg++;
+ }
+ if (strcmp(token, "clear-mmp") == 0 ||
+ strcmp(token, "clear_mmp") == 0) {
+ clear_mmp = 1;
+ } else if (strcmp(token, "mmp_update_interval") == 0) {
+ unsigned long intv;
+ if (!arg) {
+ r_usage++;
+ continue;
+ }
+ intv = strtoul(arg, &p, 0);
+ if (*p) {
+ fprintf(stderr,
+ _("Invalid mmp_update_interval: %s\n"),
+ arg);
+ r_usage++;
+ continue;
+ }
+ if (intv == 0) {
+ intv = EXT4_MMP_UPDATE_INTERVAL;
+ } else if (intv > EXT4_MMP_MAX_UPDATE_INTERVAL) {
+ fprintf(stderr,
+ _("mmp_update_interval too big: %lu\n"),
+ intv);
+ r_usage++;
+ continue;
+ }
+ printf(P_("Setting multiple mount protection update "
+ "interval to %lu second\n",
+ "Setting multiple mount protection update "
+ "interval to %lu seconds\n", intv),
+ intv);
+ fs->super->s_mmp_update_interval = intv;
+ 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);
+ } else if (!strcmp(token, "^test_fs")) {
+ fs->super->s_flags &= ~EXT2_FLAGS_TEST_FILESYS;
+ printf("Clearing test filesystem flag\n");
+ ext2fs_mark_super_dirty(fs);
+ } else if (strcmp(token, "stride") == 0) {
+ if (!arg) {
+ r_usage++;
+ continue;
+ }
+ stride = strtoul(arg, &p, 0);
+ if (*p) {
+ fprintf(stderr,
+ _("Invalid RAID stride: %s\n"),
+ arg);
+ r_usage++;
+ continue;
+ }
+ stride_set = 1;
+ } else if (strcmp(token, "stripe-width") == 0 ||
+ strcmp(token, "stripe_width") == 0) {
+ if (!arg) {
+ r_usage++;
+ continue;
+ }
+ stripe_width = strtoul(arg, &p, 0);
+ if (*p) {
+ fprintf(stderr,
+ _("Invalid RAID stripe-width: %s\n"),
+ arg);
+ r_usage++;
+ continue;
+ }
+ stripe_width_set = 1;
+ } else if (strcmp(token, "hash_alg") == 0 ||
+ strcmp(token, "hash-alg") == 0) {
+ if (!arg) {
+ r_usage++;
+ continue;
+ }
+ hash_alg = e2p_string2hash(arg);
+ if (hash_alg < 0) {
+ fprintf(stderr,
+ _("Invalid hash algorithm: %s\n"),
+ arg);
+ r_usage++;
+ continue;
+ }
+ fs->super->s_def_hash_version = hash_alg;
+ printf(_("Setting default hash algorithm "
+ "to %s (%d)\n"),
+ arg, hash_alg);
+ ext2fs_mark_super_dirty(fs);
+ } else if (!strcmp(token, "mount_opts")) {
+ if (!arg) {
+ r_usage++;
+ continue;
+ }
+ if (strlen(arg) >= sizeof(fs->super->s_mount_opts)) {
+ fprintf(stderr,
+ "Extended mount options too long\n");
+ continue;
+ }
+ ext_mount_opts = strdup(arg);
+ } else
+ r_usage++;
+ }
+ if (r_usage) {
+ fprintf(stderr, "%s", _("\nBad options specified.\n\n"
+ "Extended options are separated by commas, "
+ "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"
+ "\tstripe_width=<RAID stride*data disks in blocks>\n"
+ "\ttest_fs\n"
+ "\t^test_fs\n"));
+ free(buf);
+ return 1;
+ }
+ free(buf);
+
+ return 0;
+}
+
+/*
+ * Fill in the block bitmap bmap with the information regarding the
+ * blocks to be moved
+ */
+static int get_move_bitmaps(ext2_filsys fs, int new_ino_blks_per_grp,
+ ext2fs_block_bitmap bmap)
+{
+ dgrp_t i;
+ int retval;
+ ext2_badblocks_list bb_list = 0;
+ blk64_t j, needed_blocks = 0;
+ blk64_t start_blk, end_blk;
+
+ retval = ext2fs_read_bb_inode(fs, &bb_list);
+ if (retval)
+ return retval;
+
+ for (i = 0; i < fs->group_desc_count; i++) {
+ start_blk = ext2fs_inode_table_loc(fs, i) +
+ fs->inode_blocks_per_group;
+
+ end_blk = ext2fs_inode_table_loc(fs, i) +
+ new_ino_blks_per_grp;
+
+ for (j = start_blk; j < end_blk; j++) {
+ if (ext2fs_test_block_bitmap2(fs->block_map, j)) {
+ /*
+ * IF the block is a bad block we fail
+ */
+ if (ext2fs_badblocks_list_test(bb_list, j)) {
+ ext2fs_badblocks_list_free(bb_list);
+ return ENOSPC;
+ }
+
+ ext2fs_mark_block_bitmap2(bmap, j);
+ } else {
+ /*
+ * We are going to use this block for
+ * inode table. So mark them used.
+ */
+ ext2fs_mark_block_bitmap2(fs->block_map, j);
+ }
+ }
+ needed_blocks += end_blk - start_blk;
+ }
+
+ ext2fs_badblocks_list_free(bb_list);
+ if (needed_blocks > ext2fs_free_blocks_count(fs->super))
+ return ENOSPC;
+
+ return 0;
+}
+
+static int ext2fs_is_meta_block(ext2_filsys fs, blk64_t blk)
+{
+ dgrp_t group;
+ group = ext2fs_group_of_blk2(fs, blk);
+ if (ext2fs_block_bitmap_loc(fs, group) == blk)
+ return 1;
+ if (ext2fs_inode_bitmap_loc(fs, group) == blk)
+ return 1;
+ return 0;
+}
+
+static int ext2fs_is_block_in_group(ext2_filsys fs, dgrp_t group, blk64_t blk)
+{
+ blk64_t start_blk, end_blk;
+ start_blk = fs->super->s_first_data_block +
+ EXT2_BLOCKS_PER_GROUP(fs->super) * group;
+ /*
+ * We cannot get new block beyond end_blk for for the last block group
+ * so we can check with EXT2_BLOCKS_PER_GROUP even for last block group
+ */
+ end_blk = start_blk + EXT2_BLOCKS_PER_GROUP(fs->super);
+ if (blk >= start_blk && blk <= end_blk)
+ return 1;
+ return 0;
+}
+
+static int move_block(ext2_filsys fs, ext2fs_block_bitmap bmap)
+{
+
+ char *buf;
+ dgrp_t group = 0;
+ errcode_t retval;
+ int meta_data = 0;
+ blk64_t blk, new_blk, goal;
+ struct blk_move *bmv;
+
+ retval = ext2fs_get_mem(fs->blocksize, &buf);
+ if (retval)
+ return retval;
+
+ for (new_blk = blk = fs->super->s_first_data_block;
+ blk < ext2fs_blocks_count(fs->super); blk++) {
+ if (!ext2fs_test_block_bitmap2(bmap, blk))
+ continue;
+
+ if (ext2fs_is_meta_block(fs, blk)) {
+ /*
+ * If the block is mapping a fs meta data block
+ * like group desc/block bitmap/inode bitmap. We
+ * should find a block in the same group and fix
+ * the respective fs metadata pointers. Otherwise
+ * fail
+ */
+ group = ext2fs_group_of_blk2(fs, blk);
+ goal = ext2fs_group_first_block2(fs, group);
+ meta_data = 1;
+
+ } else {
+ goal = new_blk;
+ }
+ retval = ext2fs_new_block2(fs, goal, NULL, &new_blk);
+ if (retval)
+ goto err_out;
+
+ /* new fs meta data block should be in the same group */
+ if (meta_data && !ext2fs_is_block_in_group(fs, group, new_blk)) {
+ retval = ENOSPC;
+ goto err_out;
+ }
+
+ /* Mark this block as allocated */
+ ext2fs_mark_block_bitmap2(fs->block_map, new_blk);
+
+ /* Add it to block move list */
+ retval = ext2fs_get_mem(sizeof(struct blk_move), &bmv);
+ if (retval)
+ goto err_out;
+
+ bmv->old_loc = blk;
+ bmv->new_loc = new_blk;
+
+ list_add(&(bmv->list), &blk_move_list);
+
+ retval = io_channel_read_blk64(fs->io, blk, 1, buf);
+ if (retval)
+ goto err_out;
+
+ retval = io_channel_write_blk64(fs->io, new_blk, 1, buf);
+ if (retval)
+ goto err_out;
+ }
+
+err_out:
+ ext2fs_free_mem(&buf);
+ return retval;
+}
+
+static blk64_t translate_block(blk64_t blk)
+{
+ struct list_head *entry;
+ struct blk_move *bmv;
+
+ list_for_each(entry, &blk_move_list) {
+ bmv = list_entry(entry, struct blk_move, list);
+ if (bmv->old_loc == blk)
+ return bmv->new_loc;
+ }
+
+ return 0;
+}
+
+static int process_block(ext2_filsys fs EXT2FS_ATTR((unused)),
+ blk64_t *block_nr,
+ e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
+ blk64_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *priv_data)
+{
+ int ret = 0;
+ blk64_t new_blk;
+ ext2fs_block_bitmap bmap = (ext2fs_block_bitmap) priv_data;
+
+ if (!ext2fs_test_block_bitmap2(bmap, *block_nr))
+ return 0;
+ new_blk = translate_block(*block_nr);
+ if (new_blk) {
+ *block_nr = new_blk;
+ /*
+ * This will force the ext2fs_write_inode in the iterator
+ */
+ ret |= BLOCK_CHANGED;
+ }
+
+ return ret;
+}
+
+static int inode_scan_and_fix(ext2_filsys fs, ext2fs_block_bitmap bmap)
+{
+ errcode_t retval = 0;
+ ext2_ino_t ino;
+ blk64_t blk;
+ char *block_buf = 0;
+ struct ext2_inode inode;
+ ext2_inode_scan scan = NULL;
+
+ retval = ext2fs_get_mem(fs->blocksize * 3, &block_buf);
+ if (retval)
+ return retval;
+
+ retval = ext2fs_open_inode_scan(fs, 0, &scan);
+ if (retval)
+ goto err_out;
+
+ while (1) {
+ retval = ext2fs_get_next_inode(scan, &ino, &inode);
+ if (retval)
+ goto err_out;
+
+ if (!ino)
+ break;
+
+ if (inode.i_links_count == 0)
+ continue; /* inode not in use */
+
+ /* FIXME!!
+ * If we end up modifying the journal inode
+ * the sb->s_jnl_blocks will differ. But a
+ * subsequent e2fsck fixes that.
+ * Do we need to fix this ??
+ */
+
+ if (ext2fs_file_acl_block(fs, &inode) &&
+ ext2fs_test_block_bitmap2(bmap,
+ ext2fs_file_acl_block(fs, &inode))) {
+ blk = translate_block(ext2fs_file_acl_block(fs,
+ &inode));
+ if (!blk)
+ continue;
+
+ ext2fs_file_acl_block_set(fs, &inode, blk);
+
+ /*
+ * Write the inode to disk so that inode table
+ * resizing can work
+ */
+ retval = ext2fs_write_inode(fs, ino, &inode);
+ if (retval)
+ goto err_out;
+ }
+
+ if (!ext2fs_inode_has_valid_blocks2(fs, &inode))
+ continue;
+
+ retval = ext2fs_block_iterate3(fs, ino, 0, block_buf,
+ process_block, bmap);
+ if (retval)
+ goto err_out;
+
+ }
+
+err_out:
+ ext2fs_free_mem(&block_buf);
+
+ return retval;
+}
+
+/*
+ * We need to scan for inode and block bitmaps that may need to be
+ * moved. This can take place if the filesystem was formatted for
+ * RAID arrays using the mke2fs's extended option "stride".
+ */
+static int group_desc_scan_and_fix(ext2_filsys fs, ext2fs_block_bitmap bmap)
+{
+ dgrp_t i;
+ blk64_t blk, new_blk;
+
+ for (i = 0; i < fs->group_desc_count; i++) {
+ blk = ext2fs_block_bitmap_loc(fs, i);
+ if (ext2fs_test_block_bitmap2(bmap, blk)) {
+ new_blk = translate_block(blk);
+ if (!new_blk)
+ continue;
+ ext2fs_block_bitmap_loc_set(fs, i, new_blk);
+ }
+
+ blk = ext2fs_inode_bitmap_loc(fs, i);
+ if (ext2fs_test_block_bitmap2(bmap, blk)) {
+ new_blk = translate_block(blk);
+ if (!new_blk)
+ continue;
+ ext2fs_inode_bitmap_loc_set(fs, i, new_blk);
+ }
+ }
+ return 0;
+}
+
+static int expand_inode_table(ext2_filsys fs, unsigned long new_ino_size)
+{
+ dgrp_t i;
+ blk64_t blk;
+ errcode_t retval;
+ int new_ino_blks_per_grp;
+ unsigned int j;
+ char *old_itable = NULL, *new_itable = NULL;
+ char *tmp_old_itable = NULL, *tmp_new_itable = NULL;
+ unsigned long old_ino_size;
+ int old_itable_size, new_itable_size;
+
+ old_itable_size = fs->inode_blocks_per_group * fs->blocksize;
+ old_ino_size = EXT2_INODE_SIZE(fs->super);
+
+ new_ino_blks_per_grp = ext2fs_div_ceil(
+ EXT2_INODES_PER_GROUP(fs->super) *
+ new_ino_size,
+ fs->blocksize);
+
+ new_itable_size = new_ino_blks_per_grp * fs->blocksize;
+
+ retval = ext2fs_get_mem(old_itable_size, &old_itable);
+ if (retval)
+ return retval;
+
+ retval = ext2fs_get_mem(new_itable_size, &new_itable);
+ if (retval)
+ goto err_out;
+
+ tmp_old_itable = old_itable;
+ tmp_new_itable = new_itable;
+
+ for (i = 0; i < fs->group_desc_count; i++) {
+ blk = ext2fs_inode_table_loc(fs, i);
+ retval = io_channel_read_blk64(fs->io, blk,
+ fs->inode_blocks_per_group, old_itable);
+ if (retval)
+ goto err_out;
+
+ for (j = 0; j < EXT2_INODES_PER_GROUP(fs->super); j++) {
+ memcpy(new_itable, old_itable, old_ino_size);
+
+ memset(new_itable+old_ino_size, 0,
+ new_ino_size - old_ino_size);
+
+ new_itable += new_ino_size;
+ old_itable += old_ino_size;
+ }
+
+ /* reset the pointer */
+ old_itable = tmp_old_itable;
+ new_itable = tmp_new_itable;
+
+ retval = io_channel_write_blk64(fs->io, blk,
+ new_ino_blks_per_grp, new_itable);
+ if (retval)
+ goto err_out;
+ }
+
+ /* Update the meta data */
+ fs->inode_blocks_per_group = new_ino_blks_per_grp;
+ fs->super->s_inode_size = new_ino_size;
+
+err_out:
+ if (old_itable)
+ ext2fs_free_mem(&old_itable);
+
+ if (new_itable)
+ ext2fs_free_mem(&new_itable);
+
+ return retval;
+}
+
+static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
+{
+ blk64_t blk;
+ ext2_ino_t ino;
+ unsigned int group = 0;
+ unsigned int count = 0;
+ int total_free = 0;
+ int group_free = 0;
+
+ /*
+ * First calculate the block statistics
+ */
+ for (blk = fs->super->s_first_data_block;
+ blk < ext2fs_blocks_count(fs->super); blk++) {
+ if (!ext2fs_fast_test_block_bitmap2(fs->block_map, blk)) {
+ group_free++;
+ total_free++;
+ }
+ count++;
+ if ((count == fs->super->s_blocks_per_group) ||
+ (blk == ext2fs_blocks_count(fs->super)-1)) {
+ ext2fs_bg_free_blocks_count_set(fs, group++,
+ group_free);
+ count = 0;
+ group_free = 0;
+ }
+ }
+ total_free = EXT2FS_C2B(fs, total_free);
+ ext2fs_free_blocks_count_set(fs->super, total_free);
+
+ /*
+ * Next, calculate the inode statistics
+ */
+ group_free = 0;
+ total_free = 0;
+ count = 0;
+ group = 0;
+
+ /* Protect loop from wrap-around if s_inodes_count maxed */
+ for (ino = 1; ino <= fs->super->s_inodes_count && ino > 0; ino++) {
+ if (!ext2fs_fast_test_inode_bitmap2(fs->inode_map, ino)) {
+ group_free++;
+ total_free++;
+ }
+ count++;
+ if ((count == fs->super->s_inodes_per_group) ||
+ (ino == fs->super->s_inodes_count)) {
+ ext2fs_bg_free_inodes_count_set(fs, group++,
+ group_free);
+ count = 0;
+ group_free = 0;
+ }
+ }
+ fs->super->s_free_inodes_count = total_free;
+ ext2fs_mark_super_dirty(fs);
+ return 0;
+}
+
+#define list_for_each_safe(pos, pnext, head) \
+ for (pos = (head)->next, pnext = pos->next; pos != (head); \
+ pos = pnext, pnext = pos->next)
+
+static void free_blk_move_list(void)
+{
+ struct list_head *entry, *tmp;
+ struct blk_move *bmv;
+
+ list_for_each_safe(entry, tmp, &blk_move_list) {
+ bmv = list_entry(entry, struct blk_move, list);
+ list_del(entry);
+ ext2fs_free_mem(&bmv);
+ }
+ return;
+}
+
+static int resize_inode(ext2_filsys fs, unsigned long new_size)
+{
+ errcode_t retval;
+ int new_ino_blks_per_grp;
+ ext2fs_block_bitmap bmap;
+
+ retval = ext2fs_read_inode_bitmap(fs);
+ if (retval) {
+ fputs(_("Failed to read inode bitmap\n"), stderr);
+ return retval;
+ }
+ retval = ext2fs_read_block_bitmap(fs);
+ if (retval) {
+ fputs(_("Failed to read block bitmap\n"), stderr);
+ return retval;
+ }
+ INIT_LIST_HEAD(&blk_move_list);
+
+
+ new_ino_blks_per_grp = ext2fs_div_ceil(
+ EXT2_INODES_PER_GROUP(fs->super)*
+ new_size,
+ fs->blocksize);
+
+ /* We may change the file system.
+ * Mark the file system as invalid so that
+ * the user is prompted to run fsck.
+ */
+ fs->super->s_state &= ~EXT2_VALID_FS;
+
+ retval = ext2fs_allocate_block_bitmap(fs, _("blocks to be moved"),
+ &bmap);
+ if (retval) {
+ fputs(_("Failed to allocate block bitmap when "
+ "increasing inode size\n"), stderr);
+ return retval;
+ }
+ retval = get_move_bitmaps(fs, new_ino_blks_per_grp, bmap);
+ if (retval) {
+ fputs(_("Not enough space to increase inode size \n"), stderr);
+ goto err_out;
+ }
+ retval = move_block(fs, bmap);
+ if (retval) {
+ fputs(_("Failed to relocate blocks during inode resize \n"),
+ stderr);
+ goto err_out;
+ }
+ retval = inode_scan_and_fix(fs, bmap);
+ if (retval)
+ goto err_out_undo;
+
+ retval = group_desc_scan_and_fix(fs, bmap);
+ if (retval)
+ goto err_out_undo;
+
+ retval = expand_inode_table(fs, new_size);
+ if (retval)
+ goto err_out_undo;
+
+ ext2fs_calculate_summary_stats(fs);
+
+ fs->super->s_state |= EXT2_VALID_FS;
+ /* mark super block and block bitmap as dirty */
+ ext2fs_mark_super_dirty(fs);
+ ext2fs_mark_bb_dirty(fs);
+
+err_out:
+ free_blk_move_list();
+ ext2fs_free_block_bitmap(bmap);
+
+ return retval;
+
+err_out_undo:
+ free_blk_move_list();
+ ext2fs_free_block_bitmap(bmap);
+ fputs(_("Error in resizing the inode size.\n"
+ "Run e2undo to undo the "
+ "file system changes. \n"), stderr);
+
+ return retval;
+}
+
+static int tune2fs_setup_tdb(const char *name, io_manager *io_ptr)
+{
+ errcode_t retval = 0;
+ const char *tdb_dir;
+ char *tdb_file;
+ char *dev_name, *tmp_name;
+
+#if 0 /* FIXME!! */
+ /*
+ * Configuration via a conf file would be
+ * nice
+ */
+ profile_get_string(profile, "scratch_files",
+ "directory", 0, 0,
+ &tdb_dir);
+#endif
+ tmp_name = strdup(name);
+ if (!tmp_name) {
+ alloc_fn_fail:
+ com_err(program_name, ENOMEM, "%s",
+ _("Couldn't allocate memory for tdb filename\n"));
+ return ENOMEM;
+ }
+ dev_name = basename(tmp_name);
+
+ tdb_dir = getenv("E2FSPROGS_UNDO_DIR");
+ if (!tdb_dir)
+ tdb_dir = "/var/lib/e2fsprogs";
+
+ if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
+ access(tdb_dir, W_OK))
+ return 0;
+
+ tdb_file = malloc(strlen(tdb_dir) + 9 + strlen(dev_name) + 7 + 1);
+ if (!tdb_file)
+ goto alloc_fn_fail;
+ sprintf(tdb_file, "%s/tune2fs-%s.e2undo", tdb_dir, dev_name);
+
+ if (!access(tdb_file, F_OK)) {
+ if (unlink(tdb_file) < 0) {
+ retval = errno;
+ com_err(program_name, retval,
+ _("while trying to delete %s"),
+ tdb_file);
+ free(tdb_file);
+ return retval;
+ }
+ }
+
+ set_undo_io_backing_manager(*io_ptr);
+ *io_ptr = undo_io_manager;
+ set_undo_io_backup_file(tdb_file);
+ printf(_("To undo the tune2fs operation please run "
+ "the command\n e2undo %s %s\n\n"),
+ tdb_file, name);
+ free(tdb_file);
+ free(tmp_name);
+ return retval;
+}
+
+int main(int argc, char **argv)
+{
+ errcode_t retval;
+ 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, "");
+ setlocale(LC_CTYPE, "");
+ bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
+ textdomain(NLS_CAT_NAME);
+ set_com_err_gettext(gettext);
+#endif
+ if (argc && *argv)
+ program_name = *argv;
+ add_error_table(&et_ext2_error_table);
+
+#ifdef CONFIG_BUILD_FINDFS
+ if (strcmp(get_progname(argv[0]), "findfs") == 0)
+ do_findfs(argc, argv);
+#endif
+ if (strcmp(get_progname(argv[0]), "e2label") == 0)
+ parse_e2label_options(argc, argv);
+ else
+ parse_tune2fs_options(argc, argv);
+
+#ifdef CONFIG_TESTIO_DEBUG
+ if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_DEBUG")) {
+ io_ptr = test_io_manager;
+ test_io_backing_manager = unix_io_manager;
+ } else
+#endif
+ 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"),
+ device_name);
+ 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, "%s",
+ _("Couldn't find valid filesystem superblock.\n"));
+
+ ext2fs_free(fs);
+ exit(1);
+ }
+ fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
+
+ if (I_flag && !io_ptr_orig) {
+ /*
+ * Check the inode size is right so we can issue an
+ * error message and bail before setting up the tdb
+ * file.
+ */
+ if (new_inode_size == EXT2_INODE_SIZE(fs->super)) {
+ fprintf(stderr, _("The inode size is already %lu\n"),
+ new_inode_size);
+ rc = 1;
+ goto closefs;
+ }
+ if (new_inode_size < EXT2_INODE_SIZE(fs->super)) {
+ fprintf(stderr, "%s",
+ _("Shrinking inode size is not supported\n"));
+ rc = 1;
+ goto closefs;
+ }
+ if (new_inode_size > fs->blocksize) {
+ fprintf(stderr, _("Invalid inode size %lu (max %d)\n"),
+ new_inode_size, fs->blocksize);
+ rc = 1;
+ goto closefs;
+ }
+
+ /*
+ * If inode resize is requested use the
+ * Undo I/O manager
+ */
+ io_ptr_orig = io_ptr;
+ retval = tune2fs_setup_tdb(device_name, &io_ptr);
+ if (retval) {
+ rc = 1;
+ goto closefs;
+ }
+ if (io_ptr != io_ptr_orig) {
+ ext2fs_close(fs);
+ goto retry_open;
+ }
+ }
+
+ sb = fs->super;
+ fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
+
+ if (print_label) {
+ /* For e2label emulation */
+ printf("%.*s\n", (int) sizeof(sb->s_volume_name),
+ sb->s_volume_name);
+ remove_error_table(&et_ext2_error_table);
+ goto closefs;
+ }
+
+ retval = ext2fs_check_if_mounted(device_name, &mount_flags);
+ if (retval) {
+ com_err("ext2fs_check_if_mount", retval,
+ _("while determining whether %s is mounted."),
+ device_name);
+ rc = 1;
+ goto closefs;
+ }
+ /* Normally we only need to write out the superblock */
+ fs->flags |= EXT2_FLAG_SUPER_ONLY;
+
+ if (c_flag) {
+ sb->s_max_mnt_count = max_mount_count;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting maximal mount count to %d\n"),
+ max_mount_count);
+ }
+ if (C_flag) {
+ sb->s_mnt_count = mount_count;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting current mount count to %d\n"), mount_count);
+ }
+ if (e_flag) {
+ sb->s_errors = errors;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting error behavior to %d\n"), errors);
+ }
+ if (g_flag) {
+ sb->s_def_resgid = resgid;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting reserved blocks gid to %lu\n"), resgid);
+ }
+ if (i_flag) {
+ if (interval >= (1ULL << 32)) {
+ com_err(program_name, 0,
+ _("interval between checks is too big (%lu)"),
+ interval);
+ rc = 1;
+ goto closefs;
+ }
+ sb->s_checkinterval = interval;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting interval between checks to %lu seconds\n"),
+ interval);
+ }
+ if (m_flag) {
+ ext2fs_r_blocks_count_set(sb, reserved_ratio *
+ ext2fs_blocks_count(sb) / 100.0);
+ ext2fs_mark_super_dirty(fs);
+ printf (_("Setting reserved blocks percentage to %g%% (%llu blocks)\n"),
+ reserved_ratio, ext2fs_r_blocks_count(sb));
+ }
+ if (r_flag) {
+ if (reserved_blocks > ext2fs_blocks_count(sb)/2) {
+ com_err(program_name, 0,
+ _("reserved blocks count is too big (%llu)"),
+ reserved_blocks);
+ rc = 1;
+ goto closefs;
+ }
+ ext2fs_r_blocks_count_set(sb, reserved_blocks);
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting reserved blocks count to %llu\n"),
+ reserved_blocks);
+ }
+ if (s_flag == 1) {
+ if (sb->s_feature_ro_compat &
+ EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)
+ fputs(_("\nThe filesystem already has sparse "
+ "superblocks.\n"), stderr);
+ else {
+ sb->s_feature_ro_compat |=
+ EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
+ sb->s_state &= ~EXT2_VALID_FS;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("\nSparse superblock flag set. %s"),
+ _(please_fsck));
+ }
+ }
+ if (s_flag == 0) {
+ fputs(_("\nClearing the sparse superflag not supported.\n"),
+ stderr);
+ rc = 1;
+ goto closefs;
+ }
+ if (T_flag) {
+ sb->s_lastcheck = last_check_time;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting time filesystem last checked to %s\n"),
+ ctime(&last_check_time));
+ }
+ if (u_flag) {
+ sb->s_def_resuid = resuid;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting reserved blocks uid to %lu\n"), resuid);
+ }
+ if (L_flag) {
+ if (strlen(new_label) > sizeof(sb->s_volume_name))
+ fputs(_("Warning: label too long, truncating.\n"),
+ stderr);
+ memset(sb->s_volume_name, 0, sizeof(sb->s_volume_name));
+ strncpy(sb->s_volume_name, new_label,
+ sizeof(sb->s_volume_name));
+ ext2fs_mark_super_dirty(fs);
+ }
+ if (M_flag) {
+ memset(sb->s_last_mounted, 0, sizeof(sb->s_last_mounted));
+ strncpy(sb->s_last_mounted, new_last_mounted,
+ sizeof(sb->s_last_mounted));
+ ext2fs_mark_super_dirty(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);
+ rc = 1;
+ goto closefs;
+ }
+ handle_quota_options(fs);
+ }
+
+ if (U_flag) {
+ int set_csum = 0;
+ dgrp_t i;
+
+ if (sb->s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
+ /*
+ * Changing the UUID requires rewriting all metadata,
+ * which can race with a mounted fs. Don't allow that.
+ */
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fputs(_("The UUID may only be "
+ "changed when the filesystem is "
+ "unmounted.\n"), stderr);
+ exit(1);
+ }
+ if (check_fsck_needed(fs))
+ exit(1);
+
+ /*
+ * Determine if the block group checksums are
+ * correct so we know whether or not to set
+ * them later on.
+ */
+ for (i = 0; i < fs->group_desc_count; i++)
+ if (!ext2fs_group_desc_csum_verify(fs, i))
+ break;
+ if (i >= fs->group_desc_count)
+ set_csum = 1;
+ }
+ if ((strcasecmp(new_UUID, "null") == 0) ||
+ (strcasecmp(new_UUID, "clear") == 0)) {
+ uuid_clear(sb->s_uuid);
+ } else if (strcasecmp(new_UUID, "time") == 0) {
+ uuid_generate_time(sb->s_uuid);
+ } else if (strcasecmp(new_UUID, "random") == 0) {
+ uuid_generate(sb->s_uuid);
+ } else if (uuid_parse(new_UUID, sb->s_uuid)) {
+ com_err(program_name, 0, "%s",
+ _("Invalid UUID format\n"));
+ rc = 1;
+ goto closefs;
+ }
+ if (set_csum) {
+ for (i = 0; i < fs->group_desc_count; i++)
+ ext2fs_group_desc_csum_set(fs, i);
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ }
+ ext2fs_mark_super_dirty(fs);
+ }
+ if (I_flag) {
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fputs(_("The inode size may only be "
+ "changed when the filesystem is "
+ "unmounted.\n"), stderr);
+ rc = 1;
+ goto closefs;
+ }
+ if (fs->super->s_feature_incompat &
+ EXT4_FEATURE_INCOMPAT_FLEX_BG) {
+ fputs(_("Changing the inode size not supported for "
+ "filesystems with the flex_bg\n"
+ "feature enabled.\n"),
+ stderr);
+ rc = 1;
+ goto closefs;
+ }
+ /*
+ * We want to update group descriptor also
+ * with the new free inode count
+ */
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ if (resize_inode(fs, new_inode_size) == 0) {
+ printf(_("Setting inode size %lu\n"),
+ new_inode_size);
+ } else {
+ printf("%s", _("Failed to change inode size\n"));
+ rc = 1;
+ goto closefs;
+ }
+ }
+
+ if (l_flag)
+ list_super(sb);
+ if (stride_set) {
+ sb->s_raid_stride = stride;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting stride size to %d\n"), stride);
+ }
+ if (stripe_width_set) {
+ sb->s_raid_stripe_width = stripe_width;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting stripe width to %d\n"), stripe_width);
+ }
+ if (ext_mount_opts) {
+ strncpy((char *)(fs->super->s_mount_opts), ext_mount_opts,
+ sizeof(fs->super->s_mount_opts));
+ fs->super->s_mount_opts[sizeof(fs->super->s_mount_opts)-1] = 0;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting extended default mount options to '%s'\n"),
+ ext_mount_opts);
+ free(ext_mount_opts);
+ }
+ 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);
+}