* 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
#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> */
+#define _DEFAULT_SOURCE /* since glibc 2.20 _BSD_SOURCE is deprecated */
+#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 "ext2fs/kernel-jbd.h"
#include "et/com_err.h"
+#include "support/plausible.h"
+#include "support/quotaio.h"
#include "uuid/uuid.h"
#include "e2p/e2p.h"
-#include "jfs_user.h"
#include "util.h"
-#include "get_device_by_label.h"
+#include "blkid/blkid.h"
#include "../version.h"
-#include "nls-enable.h"
+#include "support/nls-enable.h"
+
+#define QOPT_ENABLE (1)
+#define QOPT_DISABLE (-1)
-const char * program_name = "tune2fs";
-char * device_name;
-char * new_label, *new_last_mounted, *new_UUID;
+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, r_flag, s_flag = -1, u_flag, U_flag, T_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, reserved_ratio, reserved_blocks;
+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 quota_enable[MAXQUOTAS];
+static int rewrite_checksums;
+static int feature_64bit;
+static int fsck_requested;
+static char *undo_file;
int journal_size, journal_flags;
char *journal_device;
+static blk64_t journal_location = ~0LL;
+
+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");
+errcode_t ext2fs_run_ext3_journal(ext2_filsys *fs);
+
+static const char *fsck_explain = N_("\nThis operation requires a freshly checked filesystem.\n");
+
+static const char *please_fsck = N_("Please run e2fsck -f on the filesystem.\n");
+static const char *please_dir_fsck =
+ N_("Please run e2fsck -fD on the filesystem.\n");
+
+#ifdef CONFIG_BUILD_FINDFS
+void do_findfs(int argc, char **argv);
+#endif
+
+#ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jbd-debug */
+int journal_enable_debug = -1;
+#endif
static void usage(void)
{
fprintf(stderr,
- _("Usage: %s [-c max-mounts-count] [-e errors-behavior] "
+ _("Usage: %s [-c max_mounts_count] [-e errors_behavior] [-f] "
"[-g group]\n"
- "\t[-i interval[d|m|w]] [-j] [-J journal-options]\n"
- "\t[-l] [-s sparse-flag] [-m reserved-blocks-percent]\n"
- "\t[-r reserved-blocks-count] [-u user] [-C mount-count]\n"
- "\t[-L volume-label] [-M last-mounted-dir]\n"
- "\t[-O [^]feature[,...]] [-T last-check-time] [-U UUID]"
- " device\n"), program_name);
- exit (1);
+ "\t[-i interval[d|m|w]] [-j] [-J journal_options] [-l]\n"
+ "\t[-m reserved_blocks_percent] [-o [^]mount_options[,...]]\n"
+ "\t[-r reserved_blocks_count] [-u user] [-C mount_count]\n"
+ "\t[-L volume_label] [-M last_mounted_dir]\n"
+ "\t[-O [^]feature[,...]] [-Q quota_options]\n"
+ "\t[-E extended-option[,...]] [-T last_check_time] "
+ "[-U UUID]\n\t[-I new_inode_size] [-z undo_file] 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_EA_INODE|
+ EXT4_FEATURE_INCOMPAT_MMP |
+ EXT4_FEATURE_INCOMPAT_64BIT |
+ EXT4_FEATURE_INCOMPAT_ENCRYPT |
+ EXT4_FEATURE_INCOMPAT_CSUM_SEED |
+ EXT4_FEATURE_INCOMPAT_LARGEDIR,
+ /* 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 |
+ EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER |
+ EXT4_FEATURE_RO_COMPAT_QUOTA |
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM |
+ EXT4_FEATURE_RO_COMPAT_READONLY |
+ EXT4_FEATURE_RO_COMPAT_PROJECT
+};
+
+static __u32 clear_ok_features[3] = {
+ /* Compat */
EXT3_FEATURE_COMPAT_HAS_JOURNAL |
- EXT2_FEATURE_COMPAT_DIR_INDEX, /* Compat */
- EXT2_FEATURE_INCOMPAT_FILETYPE, /* Incompat */
- EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */
+ EXT2_FEATURE_COMPAT_RESIZE_INODE |
+ EXT2_FEATURE_COMPAT_DIR_INDEX,
+ /* Incompat */
+ EXT2_FEATURE_INCOMPAT_FILETYPE |
+ EXT4_FEATURE_INCOMPAT_FLEX_BG |
+ EXT4_FEATURE_INCOMPAT_MMP |
+ EXT4_FEATURE_INCOMPAT_64BIT |
+ EXT4_FEATURE_INCOMPAT_CSUM_SEED,
+ /* 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 |
+ EXT4_FEATURE_RO_COMPAT_QUOTA |
+ EXT4_FEATURE_RO_COMPAT_PROJECT |
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM |
+ EXT4_FEATURE_RO_COMPAT_READONLY
};
+/**
+ * Try to get journal super block if any
+ */
+static int get_journal_sb(ext2_filsys jfs, char buf[SUPERBLOCK_SIZE])
+{
+ int retval;
+ journal_superblock_t *jsb;
+
+ if (!ext2fs_has_feature_journal_dev(jfs->super)) {
+ return EXT2_ET_UNSUPP_FEATURE;
+ }
+
+ /* Get the journal superblock */
+ if ((retval = io_channel_read_blk64(jfs->io,
+ ext2fs_journal_sb_start(jfs->blocksize), -SUPERBLOCK_SIZE, buf))) {
+ com_err(program_name, retval, "%s",
+ _("while reading journal superblock"));
+ return retval;
+ }
+
+ 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);
+ return EXT2_ET_BAD_MAGIC;
+ }
+
+ return 0;
+}
+
+static __u8 *journal_user(__u8 uuid[UUID_SIZE], __u8 s_users[JFS_USERS_SIZE],
+ int nr_users)
+{
+ int i;
+ for (i = 0; i < nr_users; i++) {
+ if (memcmp(uuid, &s_users[i * UUID_SIZE], UUID_SIZE) == 0)
+ return &s_users[i * UUID_SIZE];
+ }
+
+ return NULL;
+}
+
/*
* 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;
- char buf[1024];
+ char buf[SUPERBLOCK_SIZE] __attribute__ ((aligned(8)));
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 = get_spec_by_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)
- return;
+ 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, unix_io_manager, &jfs);
+ fs->blocksize, io_ptr, &jfs);
if (retval) {
- com_err(program_name, 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_blk(jfs->io, 1, -1024, buf))) {
- com_err(program_name, retval,
- _("while reading journal superblock"));
+ if ((retval = get_journal_sb(jfs, buf))) {
+ if (retval == EXT2_ET_UNSUPP_FEATURE)
+ 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))) {
- fprintf(stderr, _("Journal superblock not found!\n"));
- 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) {
- fprintf(stderr,
- _("Filesystem's UUID not found on journal device.\n"));
+
+ if (!journal_user(fs->super->s_uuid, jsb->s_users, 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);
+ 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_blk(jfs->io, 1, -1024, buf))) {
+ retval = io_channel_write_blk64(jfs->io,
+ ext2fs_journal_sb_start(fs->blocksize),
+ -SUPERBLOCK_SIZE, buf);
+ if (retval) {
com_err(program_name, retval,
"while writing journal superblock.");
goto no_valid_journal;
no_valid_journal:
if (commit_remove_journal == 0) {
- fprintf(stderr, _("Journal NOT removed\n"));
- exit(1);
+ 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;
- memset(fs->super->s_journal_uuid, 0,
- sizeof(fs->super->s_journal_uuid));
+ memset(fs->super->s_jnl_blocks, 0, sizeof(fs->super->s_jnl_blocks));
+ uuid_clear(fs->super->s_journal_uuid);
ext2fs_mark_super_dirty(fs);
- printf(_("Journal removed\n"));
+ fputs(_("Journal removed\n"), stdout);
free(journal_path);
+
+ return 0;
}
/* Helper function for remove_journal_inode */
-static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr,
- int blockcnt, void *private)
+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)))
{
- blk_t block;
+ blk64_t block;
int group;
block = *blocknr;
- ext2fs_unmark_block_bitmap(fs->block_map,block);
- group = ext2fs_group_of_blk(fs, block);
- fs->group_desc[group].bg_free_blocks_count++;
- fs->super->s_free_blocks_count++;
+ 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 void remove_journal_inode(ext2_filsys fs)
+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,
+ com_err(program_name, retval, "%s",
_("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,
+ com_err(program_name, retval, "%s",
_("while reading bitmaps"));
- exit(1);
+ return retval;
}
- retval = ext2fs_block_iterate(fs, ino, 0, NULL,
- release_blocks_proc, NULL);
+ retval = ext2fs_block_iterate3(fs, ino,
+ BLOCK_FLAG_READ_ONLY, NULL,
+ release_blocks_proc, NULL);
if (retval) {
- com_err(program_name, retval,
+ com_err(program_name, retval, "%s",
_("while clearing journal inode"));
- exit(1);
+ return retval;
}
memset(&inode, 0, sizeof(inode));
ext2fs_mark_bb_dirty(fs);
inode.i_flags &= ~EXT2_IMMUTABLE_FL;
retval = ext2fs_write_inode(fs, ino, &inode);
if (retval) {
- com_err(program_name, retval,
+ com_err(program_name, retval, "%s",
_("while writing journal inode"));
- exit(1);
+ return retval;
}
fs->super->s_journal_inum = 0;
+ memset(fs->super->s_jnl_blocks, 0, sizeof(fs->super->s_jnl_blocks));
ext2fs_mark_super_dirty(fs);
+
+ return 0;
}
/*
- * Update the feature set as provided by the user.
+ * Update the default mount options
*/
-static void update_feature_set(ext2_filsys fs, char *features)
-{
- int sparse, old_sparse, filetype, old_filetype;
- int journal, old_journal, dxdir, old_dxdir;
- struct ext2_super_block *sb= fs->super;
-
- old_sparse = sb->s_feature_ro_compat &
- EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
- old_filetype = sb->s_feature_incompat &
- EXT2_FEATURE_INCOMPAT_FILETYPE;
- old_journal = sb->s_feature_compat &
- EXT3_FEATURE_COMPAT_HAS_JOURNAL;
- old_dxdir = sb->s_feature_compat &
- EXT2_FEATURE_COMPAT_DIR_INDEX;
- if (e2p_edit_feature(features, &sb->s_feature_compat,
- ok_features)) {
- fprintf(stderr, _("Invalid filesystem option set: %s\n"),
- features);
- exit(1);
+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;
}
- sparse = sb->s_feature_ro_compat &
- EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
- filetype = sb->s_feature_incompat &
- EXT2_FEATURE_INCOMPAT_FILETYPE;
- journal = sb->s_feature_compat &
- EXT3_FEATURE_COMPAT_HAS_JOURNAL;
- dxdir = sb->s_feature_compat &
- EXT2_FEATURE_COMPAT_DIR_INDEX;
- if (old_journal && !journal) {
- if ((mount_flags & EXT2_MF_MOUNTED) &&
- !(mount_flags & EXT2_MF_READONLY)) {
- fprintf(stderr,
- _("The has_journal flag may only be "
- "cleared when the filesystem is\n"
- "unmounted or mounted "
- "read-only.\n"));
- exit(1);
- }
- if (sb->s_feature_incompat &
- EXT3_FEATURE_INCOMPAT_RECOVER) {
- fprintf(stderr,
- _("The needs_recovery flag is set. "
- "Please run e2fsck before clearing\n"
- "the has_journal flag.\n"));
- exit(1);
- }
- if (sb->s_journal_inum) {
- remove_journal_inode(fs);
- }
- if (sb->s_journal_dev) {
- remove_journal_device(fs);
- }
+ ext2fs_mark_super_dirty(fs);
+
+ return 0;
+}
+
+static void check_fsck_needed(ext2_filsys fs, const char *prompt)
+{
+ /* Refuse to modify anything but a freshly checked valid filesystem. */
+ if (!(fs->super->s_state & EXT2_VALID_FS) ||
+ (fs->super->s_state & EXT2_ERROR_FS) ||
+ (fs->super->s_lastcheck < fs->super->s_mtime)) {
+ puts(_(fsck_explain));
+ puts(_(please_fsck));
+ if (mount_flags & EXT2_MF_READONLY)
+ printf("%s", _("(and reboot afterwards!)\n"));
+ exit(1);
}
- if (journal && !old_journal) {
+
+ /* Give the admin a few seconds to bail out of a dangerous op. */
+ if (!getenv("TUNE2FS_FORCE_PROMPT") && (!isatty(0) || !isatty(1)))
+ return;
+
+ puts(prompt);
+ proceed_question(5);
+}
+
+static void request_dir_fsck_afterwards(ext2_filsys fs)
+{
+ static int requested;
+
+ if (requested++)
+ return;
+ fsck_requested++;
+ fs->super->s_state &= ~EXT2_VALID_FS;
+ puts(_(fsck_explain));
+ puts(_(please_dir_fsck));
+ if (mount_flags & EXT2_MF_READONLY)
+ printf("%s", _("(and reboot afterwards!)\n"));
+}
+
+static void request_fsck_afterwards(ext2_filsys fs)
+{
+ static int requested = 0;
+
+ if (requested++)
+ return;
+ fsck_requested++;
+ 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"));
+}
+
+static void convert_64bit(ext2_filsys fs, int direction)
+{
+ /*
+ * Is resize2fs going to demand a fsck run? Might as well tell the
+ * user now.
+ */
+ if (!fsck_requested &&
+ ((fs->super->s_state & EXT2_ERROR_FS) ||
+ !(fs->super->s_state & EXT2_VALID_FS) ||
+ fs->super->s_lastcheck < fs->super->s_mtime))
+ request_fsck_afterwards(fs);
+ if (fsck_requested)
+ fprintf(stderr, _("After running e2fsck, please run `resize2fs %s %s"),
+ direction > 0 ? "-b" : "-s", fs->device_name);
+ else
+ fprintf(stderr, _("Please run `resize2fs %s %s"),
+ direction > 0 ? "-b" : "-s", fs->device_name);
+
+ if (undo_file)
+ fprintf(stderr, _(" -z \"%s\""), undo_file);
+ if (direction > 0)
+ fprintf(stderr, _("' to enable 64-bit mode.\n"));
+ else
+ fprintf(stderr, _("' to disable 64-bit mode.\n"));
+}
+
+/* Rewrite extents */
+static errcode_t rewrite_extents(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode *inode)
+{
+ ext2_extent_handle_t handle;
+ struct ext2fs_extent extent;
+ errcode_t errcode;
+ struct ext2_extent_info info;
+
+ if (!(inode->i_flags & EXT4_EXTENTS_FL) ||
+ !ext2fs_has_feature_metadata_csum(fs->super))
+ return 0;
+
+ errcode = ext2fs_extent_open(fs, ino, &handle);
+ if (errcode)
+ return errcode;
+
+ errcode = ext2fs_extent_get(handle, EXT2_EXTENT_ROOT, &extent);
+ if (errcode)
+ goto out;
+
+ do {
+ errcode = ext2fs_extent_get_info(handle, &info);
+ if (errcode)
+ break;
+
/*
- * If adding a journal flag, let the create journal
- * code below handle creating setting the flag and
- * creating the journal. We supply a default size if
- * necessary.
+ * If this is the first extent in an extent block that we
+ * haven't visited, rewrite the extent to force the ETB
+ * checksum to be rewritten.
*/
- if (!journal_size)
- journal_size = -1;
- sb->s_feature_compat &= ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
- }
- if (dxdir && !old_dxdir) {
- if (!sb->s_def_hash_version)
- sb->s_def_hash_version = EXT2_HASH_TEA;
- if (uuid_is_null((unsigned char *) sb->s_hash_seed))
- uuid_generate((unsigned char *) sb->s_hash_seed);
- }
+ if (info.curr_entry == 1 && info.curr_level != 0 &&
+ !(extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)) {
+ errcode = ext2fs_extent_replace(handle, 0, &extent);
+ if (errcode)
+ break;
+ }
- 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 ((sparse != old_sparse) ||
- (filetype != old_filetype)) {
- sb->s_state &= ~EXT2_VALID_FS;
- printf("\n%s\n", _(please_fsck));
- }
- ext2fs_mark_super_dirty(fs);
+ /* Skip to the end of a block of leaf nodes */
+ if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
+ errcode = ext2fs_extent_get(handle,
+ EXT2_EXTENT_LAST_SIB,
+ &extent);
+ if (errcode)
+ break;
+ }
+
+ errcode = ext2fs_extent_get(handle, EXT2_EXTENT_NEXT, &extent);
+ } while (errcode == 0);
+
+out:
+ /* Ok if we run off the end */
+ if (errcode == EXT2_ET_EXTENT_NO_NEXT)
+ errcode = 0;
+ ext2fs_extent_free(handle);
+ return errcode;
}
/*
- * Add a journal to the filesystem.
+ * Rewrite directory blocks with checksums
*/
-static void add_journal(ext2_filsys fs)
+struct rewrite_dir_context {
+ char *buf;
+ errcode_t errcode;
+ ext2_ino_t dir;
+ int is_htree;
+};
+
+static int rewrite_dir_block(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 *priv_data)
{
- unsigned long journal_blocks;
- errcode_t retval;
- ext2_filsys jfs;
+ struct ext2_dx_countlimit *dcl = NULL;
+ struct rewrite_dir_context *ctx = priv_data;
+ int dcl_offset, changed = 0;
- if (fs->super->s_feature_compat &
- EXT3_FEATURE_COMPAT_HAS_JOURNAL) {
- fprintf(stderr, _("The filesystem already has a journal.\n"));
- goto err;
- }
- if (journal_device) {
- check_plausibility(journal_device);
- check_mount(journal_device, 0, _("journal"));
- retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
- EXT2_FLAG_JOURNAL_DEV_OK, 0,
- fs->blocksize, unix_io_manager, &jfs);
- if (retval) {
- com_err(program_name, retval,
- _("\n\twhile trying to open journal on %s\n"),
- journal_device);
- goto err;
+ ctx->errcode = ext2fs_read_dir_block4(fs, *blocknr, ctx->buf, 0,
+ ctx->dir);
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+
+ /* if htree node... */
+ if (ctx->is_htree)
+ ext2fs_get_dx_countlimit(fs, (struct ext2_dir_entry *)ctx->buf,
+ &dcl, &dcl_offset);
+ if (dcl) {
+ if (!ext2fs_has_feature_metadata_csum(fs->super)) {
+ /* Ensure limit is the max size */
+ int max_entries = (fs->blocksize - dcl_offset) /
+ sizeof(struct ext2_dx_entry);
+ if (ext2fs_le16_to_cpu(dcl->limit) != max_entries) {
+ changed = 1;
+ dcl->limit = ext2fs_cpu_to_le16(max_entries);
+ }
+ } else {
+ /* If htree block is full then rebuild the dir */
+ if (ext2fs_le16_to_cpu(dcl->count) ==
+ ext2fs_le16_to_cpu(dcl->limit)) {
+ request_dir_fsck_afterwards(fs);
+ return 0;
+ }
+ /*
+ * Ensure dcl->limit is small enough to leave room for
+ * the checksum tail.
+ */
+ int max_entries = (fs->blocksize - (dcl_offset +
+ sizeof(struct ext2_dx_tail))) /
+ sizeof(struct ext2_dx_entry);
+ if (ext2fs_le16_to_cpu(dcl->limit) != max_entries)
+ dcl->limit = ext2fs_cpu_to_le16(max_entries);
+ /* Always rewrite checksum */
+ changed = 1;
}
- printf(_("Creating journal on device %s: "),
- journal_device);
- fflush(stdout);
+ } else {
+ unsigned int rec_len, name_size;
+ char *top = ctx->buf + fs->blocksize;
+ struct ext2_dir_entry *de = (struct ext2_dir_entry *)ctx->buf;
+ struct ext2_dir_entry *last_de = NULL, *penultimate_de = NULL;
- 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;
+ /* Find last and penultimate dirent */
+ while ((char *)de < top) {
+ penultimate_de = last_de;
+ last_de = de;
+ ctx->errcode = ext2fs_get_rec_len(fs, de, &rec_len);
+ if (!ctx->errcode && !rec_len)
+ ctx->errcode = EXT2_ET_DIR_CORRUPTED;
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+ de = (struct ext2_dir_entry *)(((char *)de) + rec_len);
}
- printf(_("done\n"));
- } else if (journal_size) {
- printf(_("Creating journal inode: "));
- fflush(stdout);
- journal_blocks = figure_journal_size(journal_size, fs);
+ ctx->errcode = ext2fs_get_rec_len(fs, last_de, &rec_len);
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+ name_size = ext2fs_dirent_name_len(last_de);
- retval = ext2fs_add_journal_inode(fs, journal_blocks,
- journal_flags);
- if (retval) {
- fprintf(stderr, "\n");
- com_err(program_name, retval,
- _("\n\twhile trying to create journal file"));
- exit(1);
- } else
- printf(_("done\n"));
- /*
- * 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;
+ if (!ext2fs_has_feature_metadata_csum(fs->super)) {
+ if (!penultimate_de)
+ return 0;
+ if (last_de->inode ||
+ name_size ||
+ rec_len != sizeof(struct ext2_dir_entry_tail))
+ return 0;
+ /*
+ * The last dirent is unused and the right length to
+ * have stored a checksum. Erase it.
+ */
+ ctx->errcode = ext2fs_get_rec_len(fs, penultimate_de,
+ &rec_len);
+ if (!rec_len)
+ ctx->errcode = EXT2_ET_DIR_CORRUPTED;
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+ ext2fs_set_rec_len(fs, rec_len +
+ sizeof(struct ext2_dir_entry_tail),
+ penultimate_de);
+ changed = 1;
+ } else {
+ unsigned csum_size = sizeof(struct ext2_dir_entry_tail);
+ struct ext2_dir_entry_tail *t;
+
+ /*
+ * If the last dirent looks like the tail, just update
+ * the checksum.
+ */
+ if (!last_de->inode &&
+ rec_len == csum_size) {
+ t = (struct ext2_dir_entry_tail *)last_de;
+ t->det_reserved_name_len =
+ EXT2_DIR_NAME_LEN_CSUM;
+ changed = 1;
+ goto out;
+ }
+ if (name_size & 3)
+ name_size = (name_size & ~3) + 4;
+ /* If there's not enough space for the tail, e2fsck */
+ if (rec_len <= (8 + name_size + csum_size)) {
+ request_dir_fsck_afterwards(fs);
+ return 0;
+ }
+ /* Shorten that last de and insert the tail */
+ ext2fs_set_rec_len(fs, rec_len - csum_size, last_de);
+ t = EXT2_DIRENT_TAIL(ctx->buf, fs->blocksize);
+ ext2fs_initialize_dirent_tail(fs, t);
+
+ /* Always update checksum */
+ changed = 1;
+ }
}
- print_check_message(fs);
- return;
-err:
- if (journal_device)
- free(journal_device);
- exit(1);
+out:
+ if (!changed)
+ return 0;
+
+ ctx->errcode = ext2fs_write_dir_block4(fs, *blocknr, ctx->buf,
+ 0, ctx->dir);
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+
+ return 0;
}
+static errcode_t rewrite_directory(ext2_filsys fs, ext2_ino_t dir,
+ struct ext2_inode *inode)
+{
+ errcode_t retval;
+ struct rewrite_dir_context ctx;
-static void parse_e2label_options(int argc, char ** argv)
+ retval = ext2fs_get_mem(fs->blocksize, &ctx.buf);
+ if (retval)
+ return retval;
+
+ ctx.is_htree = (inode->i_flags & EXT2_INDEX_FL);
+ ctx.dir = dir;
+ ctx.errcode = 0;
+ retval = ext2fs_block_iterate3(fs, dir, BLOCK_FLAG_READ_ONLY |
+ BLOCK_FLAG_DATA_ONLY,
+ 0, rewrite_dir_block, &ctx);
+
+ ext2fs_free_mem(&ctx.buf);
+ if (retval)
+ return retval;
+
+ return ctx.errcode;
+}
+
+/*
+ * Context information that does not change across rewrite_one_inode()
+ * invocations.
+ */
+struct rewrite_context {
+ ext2_filsys fs;
+ struct ext2_inode *zero_inode;
+ char *ea_buf;
+ int inode_size;
+};
+
+#define fatal_err(code, args...) \
+ do { \
+ com_err(__func__, code, args); \
+ exit(1); \
+ } while (0);
+
+static void update_ea_inode_hash(struct rewrite_context *ctx, ext2_ino_t ino,
+ struct ext2_inode *inode)
{
- if ((argc < 2) || (argc > 3)) {
- fprintf(stderr, _("Usage: e2label device [newlabel]\n"));
- exit(1);
+ errcode_t retval;
+ ext2_file_t file;
+ __u32 hash;
+
+ retval = ext2fs_file_open(ctx->fs, ino, 0, &file);
+ if (retval)
+ fatal_err(retval, "open ea_inode");
+ retval = ext2fs_file_read(file, ctx->ea_buf, inode->i_size,
+ NULL);
+ if (retval)
+ fatal_err(retval, "read ea_inode");
+ retval = ext2fs_file_close(file);
+ if (retval)
+ fatal_err(retval, "close ea_inode");
+
+ hash = ext2fs_crc32c_le(ctx->fs->csum_seed, ctx->ea_buf, inode->i_size);
+ ext2fs_set_ea_inode_hash(inode, hash);
+}
+
+static int update_xattr_entry_hashes(ext2_filsys fs,
+ struct ext2_ext_attr_entry *entry,
+ struct ext2_ext_attr_entry *end)
+{
+ int modified = 0;
+ errcode_t retval;
+
+ while (entry < end && !EXT2_EXT_IS_LAST_ENTRY(entry)) {
+ if (entry->e_value_inum) {
+ retval = ext2fs_ext_attr_hash_entry2(fs, entry, NULL,
+ &entry->e_hash);
+ if (retval)
+ fatal_err(retval, "hash ea_inode entry");
+ modified = 1;
+ }
+ entry = EXT2_EXT_ATTR_NEXT(entry);
}
- device_name = argv[1];
- if (argc == 3) {
- open_flag = EXT2_FLAG_RW | EXT2_FLAG_JOURNAL_DEV_OK;
- L_flag = 1;
- new_label = argv[2];
- } else
- print_label++;
+ return modified;
}
-static time_t parse_time(char *str)
+static void update_inline_xattr_hashes(struct rewrite_context *ctx,
+ struct ext2_inode_large *inode)
{
- struct tm ts;
+ struct ext2_ext_attr_entry *start, *end;
+ __u32 *ea_magic;
- if (strcmp(str, "now") == 0) {
- return (time(0));
+ if (inode->i_extra_isize == 0)
+ return;
+
+ if (inode->i_extra_isize & 3 ||
+ inode->i_extra_isize > ctx->inode_size - EXT2_GOOD_OLD_INODE_SIZE)
+ fatal_err(EXT2_ET_INODE_CORRUPTED, "bad i_extra_isize")
+
+ ea_magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE +
+ inode->i_extra_isize);
+ if (*ea_magic != EXT2_EXT_ATTR_MAGIC)
+ return;
+
+ start = (struct ext2_ext_attr_entry *)(ea_magic + 1);
+ end = (struct ext2_ext_attr_entry *)((char *)inode + ctx->inode_size);
+
+ update_xattr_entry_hashes(ctx->fs, start, end);
+}
+
+static void update_block_xattr_hashes(struct rewrite_context *ctx,
+ void *block_buf)
+{
+ struct ext2_ext_attr_header *header;
+ struct ext2_ext_attr_entry *start, *end;
+
+ header = (struct ext2_ext_attr_header *)block_buf;
+ if (header->h_magic != EXT2_EXT_ATTR_MAGIC)
+ return;
+
+ start = (struct ext2_ext_attr_entry *)(header+1);
+ end = (struct ext2_ext_attr_entry *)(block_buf + ctx->fs->blocksize);
+
+ if (update_xattr_entry_hashes(ctx->fs, start, end))
+ ext2fs_ext_attr_block_rehash(header, end);
+}
+
+static void rewrite_one_inode(struct rewrite_context *ctx, ext2_ino_t ino,
+ struct ext2_inode *inode)
+{
+ blk64_t file_acl_block;
+ errcode_t retval;
+
+ if (!ext2fs_test_inode_bitmap2(ctx->fs->inode_map, ino)) {
+ if (!memcmp(inode, ctx->zero_inode, ctx->inode_size))
+ return;
+ memset(inode, 0, ctx->inode_size);
}
- memset(&ts, 0, sizeof(ts));
- strptime(optarg, "%Y%m%d%H%M%S", &ts);
- if (ts.tm_mday == 0) {
- com_err(program_name, 0,
- _("Couldn't parse date/time specifier: %s"),
- str);
- usage();
+
+ if (inode->i_flags & EXT4_EA_INODE_FL)
+ update_ea_inode_hash(ctx, ino, inode);
+
+ if (ctx->inode_size != EXT2_GOOD_OLD_INODE_SIZE)
+ update_inline_xattr_hashes(ctx,
+ (struct ext2_inode_large *)inode);
+
+ retval = ext2fs_write_inode_full(ctx->fs, ino, inode, ctx->inode_size);
+ if (retval)
+ fatal_err(retval, "while writing inode");
+
+ retval = rewrite_extents(ctx->fs, ino, inode);
+ if (retval)
+ fatal_err(retval, "while rewriting extents");
+
+ if (LINUX_S_ISDIR(inode->i_mode) &&
+ ext2fs_inode_has_valid_blocks2(ctx->fs, inode)) {
+ retval = rewrite_directory(ctx->fs, ino, inode);
+ if (retval)
+ fatal_err(retval, "while rewriting directories");
}
- return (mktime(&ts));
+
+ file_acl_block = ext2fs_file_acl_block(ctx->fs, inode);
+ if (!file_acl_block)
+ return;
+
+ retval = ext2fs_read_ext_attr3(ctx->fs, file_acl_block, ctx->ea_buf,
+ ino);
+ if (retval)
+ fatal_err(retval, "while rewriting extended attribute");
+
+ update_block_xattr_hashes(ctx, ctx->ea_buf);
+ retval = ext2fs_write_ext_attr3(ctx->fs, file_acl_block, ctx->ea_buf,
+ ino);
+ if (retval)
+ fatal_err(retval, "while rewriting extended attribute");
}
-static void parse_tune2fs_options(int argc, char **argv)
+/*
+ * Forcibly set checksums in all inodes.
+ */
+static void rewrite_inodes(ext2_filsys fs)
{
- int c;
- char * tmp;
- struct group * gr;
- struct passwd * pw;
+ ext2_inode_scan scan;
+ errcode_t retval;
+ ext2_ino_t ino;
+ struct ext2_inode *inode;
+ int pass;
+ struct rewrite_context ctx = {
+ .fs = fs,
+ .inode_size = EXT2_INODE_SIZE(fs->super),
+ };
- printf("tune2fs %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE);
- while ((c = getopt(argc, argv, "c:e:fg:i:jlm:r:s:u:C:J:L:M:O:T:U:")) != 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;
+ if (fs->super->s_creator_os == EXT2_OS_HURD)
+ return;
+
+ retval = ext2fs_get_mem(ctx.inode_size, &inode);
+ if (retval)
+ fatal_err(retval, "while allocating memory");
+
+ retval = ext2fs_get_memzero(ctx.inode_size, &ctx.zero_inode);
+ if (retval)
+ fatal_err(retval, "while allocating memory");
+
+ retval = ext2fs_get_mem(64 * 1024, &ctx.ea_buf);
+ if (retval)
+ fatal_err(retval, "while allocating memory");
+
+ /*
+ * Extended attribute inodes have a lookup hash that needs to be
+ * recalculated with the new csum_seed. Other inodes referencing xattr
+ * inodes need this value to be up to date. That's why we do two passes:
+ *
+ * pass 1: update xattr inodes to update their lookup hash as well as
+ * other checksums.
+ *
+ * pass 2: go over other inodes to update their checksums.
+ */
+ if (ext2fs_has_feature_ea_inode(fs->super))
+ pass = 1;
+ else
+ pass = 2;
+ for (;pass <= 2; pass++) {
+ retval = ext2fs_open_inode_scan(fs, 0, &scan);
+ if (retval)
+ fatal_err(retval, "while opening inode scan");
+
+ do {
+ retval = ext2fs_get_next_inode_full(scan, &ino, inode,
+ ctx.inode_size);
+ if (retval)
+ fatal_err(retval, "while getting next inode");
+ if (!ino)
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();
+
+ if (((pass == 1) &&
+ (inode->i_flags & EXT4_EA_INODE_FL)) ||
+ ((pass == 2) &&
+ !(inode->i_flags & EXT4_EA_INODE_FL)))
+ rewrite_one_inode(&ctx, ino, inode);
+ } while (ino);
+
+ ext2fs_close_inode_scan(scan);
+ }
+
+ ext2fs_free_mem(&ctx.zero_inode);
+ ext2fs_free_mem(&ctx.ea_buf);
+ ext2fs_free_mem(&inode);
+}
+
+static void rewrite_metadata_checksums(ext2_filsys fs)
+{
+ errcode_t retval;
+ dgrp_t i;
+
+ fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ ext2fs_init_csum_seed(fs);
+ for (i = 0; i < fs->group_desc_count; i++)
+ ext2fs_group_desc_csum_set(fs, i);
+ retval = ext2fs_read_bitmaps(fs);
+ if (retval)
+ fatal_err(retval, "while reading bitmaps");
+ rewrite_inodes(fs);
+ ext2fs_mark_ib_dirty(fs);
+ ext2fs_mark_bb_dirty(fs);
+ ext2fs_mmp_update2(fs, 1);
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ if (ext2fs_has_feature_metadata_csum(fs->super))
+ fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
+ else
+ fs->super->s_checksum_type = 0;
+ ext2fs_mark_super_dirty(fs);
+}
+
+static void enable_uninit_bg(ext2_filsys fs)
+{
+ struct ext2_group_desc *gd;
+ dgrp_t i;
+
+ 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;
+}
+
+static errcode_t zero_empty_inodes(ext2_filsys fs)
+{
+ int length = EXT2_INODE_SIZE(fs->super);
+ struct ext2_inode *inode = NULL;
+ ext2_inode_scan scan;
+ errcode_t retval;
+ ext2_ino_t ino;
+
+ retval = ext2fs_open_inode_scan(fs, 0, &scan);
+ if (retval)
+ goto out;
+
+ retval = ext2fs_get_mem(length, &inode);
+ if (retval)
+ goto out;
+
+ do {
+ retval = ext2fs_get_next_inode_full(scan, &ino, inode, length);
+ if (retval)
+ goto out;
+ if (!ino)
+ break;
+ if (!ext2fs_test_inode_bitmap2(fs->inode_map, ino)) {
+ memset(inode, 0, length);
+ retval = ext2fs_write_inode_full(fs, ino, inode,
+ length);
+ if (retval)
+ goto out;
+ }
+ } while (1);
+
+out:
+ ext2fs_free_mem(&inode);
+ ext2fs_close_inode_scan(scan);
+ return retval;
+}
+
+static errcode_t disable_uninit_bg(ext2_filsys fs, __u32 csum_feature_flag)
+{
+ struct ext2_group_desc *gd;
+ dgrp_t i;
+ errcode_t retval;
+ blk64_t b, c, d;
+
+ /* Load bitmaps to ensure that the uninit ones get written out */
+ fs->super->s_feature_ro_compat |= csum_feature_flag;
+ retval = ext2fs_read_bitmaps(fs);
+ fs->super->s_feature_ro_compat &= ~csum_feature_flag;
+ if (retval) {
+ com_err("disable_uninit_bg", retval,
+ "while reading bitmaps");
+ request_fsck_afterwards(fs);
+ return retval;
+ }
+ ext2fs_mark_ib_dirty(fs);
+ ext2fs_mark_bb_dirty(fs);
+
+ /* If we're only turning off uninit_bg, zero the inodes */
+ if (csum_feature_flag == EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
+ retval = zero_empty_inodes(fs);
+ if (retval) {
+ com_err("disable_uninit_bg", retval,
+ "while zeroing unused inodes");
+ request_fsck_afterwards(fs);
+ return retval;
+ }
+ }
+
+ /* The bbitmap is zeroed; we must mark group metadata blocks in use */
+ for (i = 0; i < fs->group_desc_count; i++) {
+ b = ext2fs_block_bitmap_loc(fs, i);
+ ext2fs_mark_block_bitmap2(fs->block_map, b);
+ b = ext2fs_inode_bitmap_loc(fs, i);
+ ext2fs_mark_block_bitmap2(fs->block_map, b);
+
+ retval = ext2fs_super_and_bgd_loc2(fs, i, &b, &c, &d, NULL);
+ if (retval == 0 && b)
+ ext2fs_mark_block_bitmap2(fs->block_map, b);
+ if (retval == 0 && c)
+ ext2fs_mark_block_bitmap2(fs->block_map, c);
+ if (retval == 0 && d)
+ ext2fs_mark_block_bitmap2(fs->block_map, d);
+ if (retval) {
+ com_err("disable_uninit_bg", retval,
+ "while initializing block bitmaps");
+ request_fsck_afterwards(fs);
+ }
+
+ gd = ext2fs_group_desc(fs, fs->group_desc, i);
+ gd->bg_itable_unused = 0;
+ gd->bg_flags = 0;
+ ext2fs_group_desc_csum_set(fs, i);
+ }
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ ext2fs_mark_super_dirty(fs);
+
+ return 0;
+}
+
+static void
+try_confirm_csum_seed_support(void)
+{
+ if (access("/sys/fs/ext4/features/metadata_csum_seed", R_OK))
+ fputs(_("WARNING: Could not confirm kernel support for "
+ "metadata_csum_seed.\n This requires Linux >= "
+ "v4.4.\n"), stderr);
+}
+
+/*
+ * 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;
+ __u32 old_features[3];
+ int type_err;
+ unsigned int mask_err;
+ errcode_t err;
+ enum quota_type qtype;
+
+#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 (ext2fs_has_feature_journal_needs_recovery(sb) &&
+ f_flag < 2) {
+ 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_RO_INCOMPAT,
+ EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
+ if (ext2fs_has_feature_meta_bg(sb)) {
+ fputs(_("Setting filesystem feature 'sparse_super' "
+ "not supported\nfor filesystems with "
+ "the meta_bg feature enabled.\n"),
+ stderr);
+ 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;
+ ext2fs_clear_feature_journal(sb);
+ }
+
+ 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_METADATA_CSUM)) {
+ check_fsck_needed(fs,
+ _("Enabling checksums could take some time."));
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fputs(_("Cannot enable metadata_csum on a mounted "
+ "filesystem!\n"), stderr);
+ exit(1);
+ }
+ if (!ext2fs_has_feature_extents(fs->super))
+ printf("%s",
+ _("Extents are not enabled. The file extent "
+ "tree can be checksummed, whereas block maps "
+ "cannot. Not enabling extents reduces the "
+ "coverage of metadata checksumming. "
+ "Re-run with -O extent to rectify.\n"));
+ if (!ext2fs_has_feature_64bit(fs->super))
+ printf("%s",
+ _("64-bit filesystem support is not enabled. "
+ "The larger fields afforded by this feature "
+ "enable full-strength checksumming. "
+ "Run resize2fs -b to rectify.\n"));
+ rewrite_checksums = 1;
+ /* metadata_csum supersedes uninit_bg */
+ ext2fs_clear_feature_gdt_csum(fs->super);
+
+ /* if uninit_bg was previously off, rewrite group desc */
+ if (!(old_features[E2P_FEATURE_RO_INCOMPAT] &
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM))
+ enable_uninit_bg(fs);
+
+ /*
+ * Since metadata_csum supersedes uninit_bg, pretend like
+ * uninit_bg has been off all along.
+ */
+ old_features[E2P_FEATURE_RO_INCOMPAT] &=
+ ~EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
+ }
+
+ if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+ __u32 test_features[3];
+
+ check_fsck_needed(fs,
+ _("Disabling checksums could take some time."));
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fputs(_("Cannot disable metadata_csum on a mounted "
+ "filesystem!\n"), stderr);
+ exit(1);
+ }
+ rewrite_checksums = 1;
+
+ /* Enable uninit_bg unless the user expressly turned it off */
+ memcpy(test_features, old_features, sizeof(test_features));
+ test_features[E2P_FEATURE_RO_INCOMPAT] |=
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
+ e2p_edit_feature2(features, test_features, ok_features,
+ clear_ok_features, NULL, NULL);
+ if (test_features[E2P_FEATURE_RO_INCOMPAT] &
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM)
+ ext2fs_set_feature_gdt_csum(fs->super);
+
+ /*
+ * If we're turning off metadata_csum and not turning on
+ * uninit_bg, rewrite group desc.
+ */
+ if (!ext2fs_has_feature_gdt_csum(fs->super)) {
+ err = disable_uninit_bg(fs,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
+ if (err)
+ return 1;
+ } else
+ /*
+ * metadata_csum previously provided uninit_bg, so if
+ * we're also setting the uninit_bg feature bit,
+ * pretend like it was previously enabled. Checksums
+ * will be rewritten with crc16 later.
+ */
+ old_features[E2P_FEATURE_RO_INCOMPAT] |=
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
+ fs->super->s_checksum_seed = 0;
+ ext2fs_clear_feature_csum_seed(fs->super);
+ }
+
+ if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
+ /* Do not enable uninit_bg when metadata_csum enabled */
+ if (ext2fs_has_feature_metadata_csum(fs->super))
+ ext2fs_clear_feature_gdt_csum(fs->super);
+ else
+ enable_uninit_bg(fs);
+ }
+
+ if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
+ err = disable_uninit_bg(fs,
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
+ if (err)
+ return 1;
+ }
+
+ /*
+ * We don't actually toggle 64bit; resize2fs does that. But this
+ * must come after the metadata_csum feature_on so that it won't
+ * complain about the lack of 64bit.
+ */
+ if (FEATURE_ON(E2P_FEATURE_INCOMPAT,
+ EXT4_FEATURE_INCOMPAT_64BIT)) {
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fprintf(stderr, _("Cannot enable 64-bit mode "
+ "while mounted!\n"));
+ exit(1);
+ }
+ ext2fs_clear_feature_64bit(sb);
+ feature_64bit = 1;
+ }
+ if (FEATURE_OFF(E2P_FEATURE_INCOMPAT,
+ EXT4_FEATURE_INCOMPAT_64BIT)) {
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fprintf(stderr, _("Cannot disable 64-bit mode "
+ "while mounted!\n"));
+ exit(1);
+ }
+ ext2fs_set_feature_64bit(sb);
+ feature_64bit = -1;
+ }
+
+ 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 usr/grp quota by default */
+ for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
+ if (qtype != PRJQUOTA)
+ quota_enable[qtype] = QOPT_ENABLE;
+ else
+ quota_enable[qtype] = QOPT_DISABLE;
+ }
+ }
+ ext2fs_clear_feature_quota(sb);
+ }
+
+ if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_PROJECT)) {
+ if (fs->super->s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
+ fprintf(stderr, _("Cannot enable project feature; "
+ "inode size too small.\n"));
+ exit(1);
+ }
+ Q_flag = 1;
+ quota_enable[PRJQUOTA] = QOPT_ENABLE;
+ }
+
+ if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
+ EXT4_FEATURE_RO_COMPAT_PROJECT)) {
+ Q_flag = 1;
+ quota_enable[PRJQUOTA] = QOPT_DISABLE;
+ }
+
+ 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 all quota by default */
+ for (qtype = 0; qtype < MAXQUOTAS; qtype++)
+ quota_enable[qtype] = QOPT_DISABLE;
+ }
+
+ if (FEATURE_ON(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_ENCRYPT)) {
+ fs->super->s_encrypt_algos[0] =
+ EXT4_ENCRYPTION_MODE_AES_256_XTS;
+ fs->super->s_encrypt_algos[1] =
+ EXT4_ENCRYPTION_MODE_AES_256_CTS;
+ }
+
+ if (FEATURE_ON(E2P_FEATURE_INCOMPAT,
+ EXT4_FEATURE_INCOMPAT_CSUM_SEED)) {
+ if (!ext2fs_has_feature_metadata_csum(sb)) {
+ fputs(_("Setting feature 'metadata_csum_seed' "
+ "is only supported\non filesystems with "
+ "the metadata_csum feature enabled.\n"),
+ stderr);
+ return 1;
+ }
+ try_confirm_csum_seed_support();
+ fs->super->s_checksum_seed = fs->csum_seed;
+ }
+
+ if (FEATURE_OFF(E2P_FEATURE_INCOMPAT,
+ EXT4_FEATURE_INCOMPAT_CSUM_SEED)) {
+ __le32 uuid_seed;
+
+ uuid_seed = ext2fs_crc32c_le(~0, fs->super->s_uuid,
+ sizeof(fs->super->s_uuid));
+ if (fs->super->s_checksum_seed != uuid_seed) {
+ if (mount_flags & (EXT2_MF_BUSY|EXT2_MF_MOUNTED)) {
+ fputs(_("UUID has changed since enabling "
+ "metadata_csum. Filesystem must be unmounted "
+ "\nto safely rewrite all metadata to match the new UUID.\n"),
+ stderr);
+ return 1;
+ }
+ check_fsck_needed(fs, _("Recalculating checksums "
+ "could take some time."));
+ rewrite_checksums = 1;
+ }
+ }
+
+ 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 (ext2fs_has_feature_journal(fs->super)) {
+ fputs(_("The filesystem already has a journal.\n"), stderr);
+ goto err;
+ }
+ if (journal_device) {
+ if (!check_plausibility(journal_device, CHECK_BLOCK_DEV,
+ NULL))
+ proceed_question(-1);
+ 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_free(&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);
+
+ if (journal_location_string)
+ journal_location =
+ parse_num_blocks2(journal_location_string,
+ fs->super->s_log_block_size);
+ retval = ext2fs_add_journal_inode2(fs, journal_blocks,
+ journal_location,
+ 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)
+{
+ errcode_t retval;
+ quota_ctx_t qctx;
+ ext2_ino_t qf_ino;
+ enum quota_type qtype;
+ unsigned int qtype_bits = 0;
+ int need_dirty = 0;
+
+ for (qtype = 0 ; qtype < MAXQUOTAS; qtype++)
+ if (quota_enable[qtype] != 0)
+ break;
+ if (qtype == MAXQUOTAS)
+ /* Nothing to do. */
+ return;
+
+ if (quota_enable[PRJQUOTA] == QOPT_ENABLE &&
+ fs->super->s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
+ fprintf(stderr, _("Cannot enable project quota; "
+ "inode size too small.\n"));
+ exit(1);
+ }
+
+ for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
+ if (quota_enable[qtype] == QOPT_ENABLE)
+ qtype_bits |= 1 << qtype;
+ }
+
+ retval = quota_init_context(&qctx, fs, qtype_bits);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while initializing quota context in support library"));
+ exit(1);
+ }
+
+ if (qtype_bits)
+ quota_compute_usage(qctx);
+
+ for (qtype = 0 ; qtype < MAXQUOTAS; qtype++) {
+ if (quota_enable[qtype] == QOPT_ENABLE &&
+ *quota_sb_inump(fs->super, qtype) == 0) {
+ if ((qf_ino = quota_file_exists(fs, qtype)) > 0) {
+ retval = quota_update_limits(qctx, qf_ino,
+ qtype);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while updating quota limits (%d)"),
+ qtype);
+ exit(1);
}
- C_flag = 1;
- open_flag = EXT2_FLAG_RW;
+ }
+ retval = quota_write_inode(qctx, 1 << qtype);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while writing quota file (%d)"),
+ qtype);
+ exit(1);
+ }
+ /* Enable Quota feature if one of quota enabled */
+ if (!ext2fs_has_feature_quota(fs->super)) {
+ ext2fs_set_feature_quota(fs->super);
+ need_dirty = 1;
+ }
+ if (qtype == PRJQUOTA &&
+ !ext2fs_has_feature_project(fs->super)) {
+ ext2fs_set_feature_project(fs->super);
+ need_dirty = 1;
+ }
+ } else if (quota_enable[qtype] == QOPT_DISABLE) {
+ retval = quota_remove_inode(fs, qtype);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while removing quota file (%d)"),
+ qtype);
+ exit(1);
+ }
+ if (qtype == PRJQUOTA) {
+ ext2fs_clear_feature_project(fs->super);
+ need_dirty = 1;
+ }
+ }
+ }
+
+ quota_release_context(&qctx);
+ /* Clear Quota feature if all quota types disabled. */
+ if (!qtype_bits) {
+ for (qtype = 0 ; qtype < MAXQUOTAS; qtype++)
+ if (*quota_sb_inump(fs->super, qtype))
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;
+ if (qtype == MAXQUOTAS) {
+ ext2fs_clear_feature_quota(fs->super);
+ need_dirty = 1;
+ }
+
+ }
+ if (need_dirty)
+ ext2fs_mark_super_dirty(fs);
+ return;
+}
+
+static int option_handle_function(char *token)
+{
+ if (strncmp(token, "usr", 3) == 0) {
+ quota_enable[USRQUOTA] = QOPT_ENABLE;
+ } else if (strncmp(token, "^usr", 4) == 0) {
+ quota_enable[USRQUOTA] = QOPT_DISABLE;
+ } else if (strncmp(token, "grp", 3) == 0) {
+ quota_enable[GRPQUOTA] = QOPT_ENABLE;
+ } else if (strncmp(token, "^grp", 4) == 0) {
+ quota_enable[GRPQUOTA] = QOPT_DISABLE;
+ } else if (strncmp(token, "prj", 3) == 0) {
+ quota_enable[PRJQUOTA] = QOPT_ENABLE;
+ } else if (strncmp(token, "^prj", 4) == 0) {
+ quota_enable[PRJQUOTA] = QOPT_DISABLE;
+ } else {
+ fputs(_("\nBad quota options specified.\n\n"
+ "Following valid quota options are available "
+ "(pass by separating with comma):\n"
+ "\t[^]usr[quota]\n"
+ "\t[^]grp[quota]\n"
+ "\t[^]prj[quota]\n"
+ "\n\n"), stderr);
+ return 1;
+ }
+ return 0;
+}
+
+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;
+ int ret;
+ char optstring[100] = "c:e:fg:i:jlm:o:r:s:u:C:E:I:J:L:M:O:T:U:z:Q:";
+
+ 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++;
+ break;
+ case 'g':
+ resgid = strtoul(optarg, &tmp, 0);
+ if (*tmp) {
+ gr = getgrnam(optarg);
+ if (gr == NULL)
+ tmp = optarg;
else {
- com_err (program_name, 0,
- _("bad error behavior - %s"),
- optarg);
- usage();
+ resgid = gr->gr_gid;
+ *tmp = 0;
}
- e_flag = 1;
- 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;
+ }
+ 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 'i':
- interval = strtoul (optarg, &tmp, 0);
- switch (*tmp) {
- case 's':
+ case '\0':
+ case 'd':
+ case 'D': /* days */
+ interval *= 86400;
+ if (*tmp != '\0')
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 || interval > (365 * 86400)) {
- 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 = strtoul (optarg, &tmp, 0);
- if (*tmp || reserved_ratio > 50) {
- 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;
+ case 'M': /* months! */
+ interval *= 86400 * 30;
+ tmp++;
break;
- case 'O':
- if (features_cmd) {
- com_err (program_name, 0,
- _("-O may only be specified once"));
- usage();
- }
- features_cmd = optarg;
- open_flag = EXT2_FLAG_RW;
+ case 'w':
+ case 'W': /* weeks */
+ interval *= 86400 * 7;
+ tmp++;
break;
- 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':
- 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) {
+ 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;
+ case 'Q':
+ Q_flag = 1;
+ ret = parse_quota_opts(optarg, option_handle_function);
+ if (ret)
+ exit(1);
+ open_flag = EXT2_FLAG_RW;
+ break;
+ 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);
+ pw = getpwnam(optarg);
if (pw == NULL)
tmp = optarg;
else {
}
}
if (*tmp) {
- com_err (program_name, 0,
- _("bad uid/user name - %s"),
- optarg);
+ 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;
- default:
+ 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;
+ case 'z':
+ undo_file = optarg;
+ 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"
+ "\tmmp_update_interval=<mmp update interval in seconds>\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_GROUPS_TO_BLOCKS(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 (optind < argc - 1 || optind == argc)
- usage();
- if (!open_flag && !l_flag)
- usage();
- device_name = argv[optind];
+
+ 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);
+ ext2fs_close_inode_scan(scan);
+
+ return retval;
}
-do_findfs(int argc, char **argv)
+/*
+ * 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)
{
- char *dev;
+ dgrp_t i;
+ blk64_t blk, new_blk;
- if ((argc != 2) ||
- (strncmp(argv[1], "LABEL=", 6) && strncmp(argv[1], "UUID=", 5))) {
- fprintf(stderr, "Usage: findfs LABEL=<label>|UUID=<uuid>\n");
- exit(2);
+ 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);
+ }
}
- dev = interpret_spec(argv[1]);
- if (!dev) {
- fprintf(stderr, "Filesystem matching %s not found\n",
- argv[1]);
- exit(1);
+ 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;
}
- puts(dev);
- exit(0);
+
+ /* Update the meta data */
+ fs->inode_blocks_per_group = new_ino_blks_per_grp;
+ ext2fs_free_inode_cache(fs->icache);
+ fs->icache = 0;
+ 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 = NULL;
+ char *dev_name, *tmp_name;
+
+ /* (re)open a specific undo file */
+ if (undo_file && undo_file[0] != 0) {
+ retval = set_undo_io_backing_manager(*io_ptr);
+ if (retval)
+ goto err;
+ *io_ptr = undo_io_manager;
+ retval = set_undo_io_backup_file(undo_file);
+ if (retval)
+ goto err;
+ printf(_("Overwriting existing filesystem; this can be undone "
+ "using the command:\n"
+ " e2undo %s %s\n\n"),
+ undo_file, name);
+ return retval;
+ }
+
+ /*
+ * Configuration via a conf file would be
+ * nice
+ */
+ 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;
+
+ tmp_name = strdup(name);
+ if (!tmp_name)
+ goto errout;
+ dev_name = basename(tmp_name);
+ tdb_file = malloc(strlen(tdb_dir) + 9 + strlen(dev_name) + 7 + 1);
+ if (!tdb_file) {
+ free(tmp_name);
+ goto errout;
+ }
+ sprintf(tdb_file, "%s/tune2fs-%s.e2undo", tdb_dir, dev_name);
+ free(tmp_name);
+
+ if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
+ retval = errno;
+ com_err(program_name, retval,
+ _("while trying to delete %s"), tdb_file);
+ goto errout;
+ }
+
+ retval = set_undo_io_backing_manager(*io_ptr);
+ if (retval)
+ goto errout;
+ *io_ptr = undo_io_manager;
+ retval = set_undo_io_backup_file(tdb_file);
+ if (retval)
+ goto errout;
+ printf(_("Overwriting existing filesystem; this can be undone "
+ "using the command:\n"
+ " e2undo %s %s\n\n"),
+ tdb_file, name);
+
+ free(tdb_file);
+ return 0;
+errout:
+ free(tdb_file);
+err:
+ com_err("tune2fs", retval, "while trying to setup undo file\n");
+ return retval;
}
+static int
+fs_update_journal_user(struct ext2_super_block *sb, __u8 old_uuid[UUID_SIZE])
+{
+ int retval, nr_users, start;
+ journal_superblock_t *jsb;
+ ext2_filsys jfs;
+ __u8 *j_uuid;
+ char *journal_path;
+ char uuid[UUID_STR_SIZE];
+ char buf[SUPERBLOCK_SIZE] __attribute__ ((aligned(8)));
+
+ if (!ext2fs_has_feature_journal(sb) || uuid_is_null(sb->s_journal_uuid))
+ return 0;
+
+ uuid_unparse(sb->s_journal_uuid, uuid);
+ journal_path = blkid_get_devname(NULL, "UUID", uuid);
+ if (!journal_path)
+ return 0;
+
+ retval = ext2fs_open2(journal_path, io_options,
+ EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_RW,
+ 0, 0, unix_io_manager, &jfs);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while trying to open %s"),
+ journal_path);
+ return retval;
+ }
+
+ retval = get_journal_sb(jfs, buf);
+ if (retval != 0) {
+ if (retval == EXT2_ET_UNSUPP_FEATURE)
+ fprintf(stderr, _("%s is not a journal device.\n"),
+ journal_path);
+ return retval;
+ }
+
+ jsb = (journal_superblock_t *) buf;
+ /* Find the filesystem UUID */
+ nr_users = ntohl(jsb->s_nr_users);
+
+ j_uuid = journal_user(old_uuid, jsb->s_users, nr_users);
+ if (j_uuid == NULL) {
+ fputs(_("Filesystem's UUID not found on journal device.\n"),
+ stderr);
+ return EXT2_ET_LOAD_EXT_JOURNAL;
+ }
+
+ memcpy(j_uuid, sb->s_uuid, UUID_SIZE);
+
+ start = ext2fs_journal_sb_start(jfs->blocksize);
+ /* Write back the journal superblock */
+ retval = io_channel_write_blk64(jfs->io, start, -SUPERBLOCK_SIZE, buf);
+ if (retval != 0) {
+ com_err(program_name, retval,
+ "while writing journal superblock.");
+ return retval;
+ }
+
+ ext2fs_close(jfs);
+
+ return 0;
+}
-int main (int argc, char ** argv)
+#ifndef BUILD_AS_LIB
+int main(int argc, char **argv)
+#else
+int tune2fs_main(int argc, char **argv)
+#endif /* BUILD_AS_LIB */
{
errcode_t retval;
ext2_filsys fs;
struct ext2_super_block *sb;
+ io_manager io_ptr, io_ptr_orig = NULL;
+ int rc = 0;
+ char default_undo_file[1] = { 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;
- initialize_ext2_error_table();
+ 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);
-
- retval = ext2fs_open (device_name, open_flag, 0, 0,
- unix_io_manager, &fs);
- if (retval) {
- com_err (program_name, retval, _("while trying to open %s"),
- device_name);
- fprintf(stderr,
- _("Couldn't find valid filesystem superblock.\n"));
+
+#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 | EXT2_FLAG_JOURNAL_DEV_OK;
+
+ /* 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_BAD_MAGIC)
+ check_plausibility(device_name, CHECK_FS_EXIST, NULL);
+ else if (retval != EXT2_ET_MMP_FAILED)
+ fprintf(stderr, "%s",
+ _("Couldn't find valid filesystem superblock.\n"));
+
+ ext2fs_free(fs);
+ exit(1);
+ }
+ if (ext2fs_has_feature_journal_dev(fs->super)) {
+ fprintf(stderr, "%s", _("Cannot modify a journal device.\n"));
+ ext2fs_free(fs);
exit(1);
}
+ fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
+
+ if (I_flag) {
+ /*
+ * 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;
+ }
+ check_fsck_needed(fs,
+ _("Resizing inodes could take some time."));
+ /*
+ * If inode resize is requested use the
+ * Undo I/O manager
+ */
+ undo_file = default_undo_file;
+ }
+
+ /* Set up an undo file */
+ if (undo_file && io_ptr_orig == NULL) {
+ 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_free(&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);
- exit(0);
+ 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);
- exit(1);
+ rc = 1;
+ goto closefs;
+ }
+
+#ifdef NO_RECOVERY
+ /* Warn if file system needs recovery and it is opened for writing. */
+ if ((open_flag & EXT2_FLAG_RW) && !(mount_flags & EXT2_MF_MOUNTED) &&
+ (sb->s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
+ (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER)) {
+ fprintf(stderr,
+_("Warning: The journal is dirty. You may wish to replay the journal like:\n\n"
+ "\te2fsck -E journal_only %s\n\n"
+ "then rerun this command. Otherwise, any changes made may be overwritten\n"
+ "by journal recovery.\n"), device_name);
+ }
+#else
+ /* Recover the journal if possible. */
+ if ((open_flag & EXT2_FLAG_RW) && !(mount_flags & (EXT2_MF_BUSY | EXT2_MF_MOUNTED)) &&
+ ext2fs_has_feature_journal_needs_recovery(fs->super)) {
+ errcode_t err;
+
+ printf(_("Recovering journal.\n"));
+ err = ext2fs_run_ext3_journal(&fs);
+ if (err) {
+ com_err("tune2fs", err, "while recovering journal.\n");
+ printf(_("Please run e2fsck -fy %s.\n"), argv[1]);
+ if (fs)
+ ext2fs_close_free(&fs);
+ exit(1);
+ }
}
+#endif
+
/* 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);
+ 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);
+ 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);
+ 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);
+ printf(_("Setting reserved blocks gid to %lu\n"), resgid);
}
if (i_flag) {
+ if ((unsigned long long)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 check %lu seconds\n"), interval);
+ printf(_("Setting interval between checks to %lu seconds\n"),
+ interval);
}
if (m_flag) {
- sb->s_r_blocks_count = (sb->s_blocks_count / 100)
- * reserved_ratio;
+ 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 %lu (%u blocks)\n"),
- reserved_ratio, sb->s_r_blocks_count);
+ printf (_("Setting reserved blocks percentage to %g%% (%llu blocks)\n"),
+ reserved_ratio, ext2fs_r_blocks_count(sb));
}
if (r_flag) {
- if (reserved_blocks >= sb->s_blocks_count) {
- com_err (program_name, 0,
- _("reserved blocks count is too big (%ul)"),
- reserved_blocks);
- exit (1);
+ 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;
}
- sb->s_r_blocks_count = reserved_blocks;
+ ext2fs_r_blocks_count_set(sb, reserved_blocks);
ext2fs_mark_super_dirty(fs);
- printf (_("Setting reserved blocks count to %lu\n"),
- reserved_blocks);
+ 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)
- fprintf(stderr, _("\nThe filesystem already"
- " has sparse superblocks.\n"));
- else {
- sb->s_feature_ro_compat |=
- EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
+ if (ext2fs_has_feature_sparse_super(sb)) {
+ fputs(_("\nThe filesystem already has sparse "
+ "superblocks.\n"), stderr);
+ } else if (ext2fs_has_feature_meta_bg(sb)) {
+ fputs(_("\nSetting the sparse superblock flag not "
+ "supported\nfor filesystems with "
+ "the meta_bg feature enabled.\n"),
+ stderr);
+ rc = 1;
+ goto closefs;
+ } else {
+ ext2fs_set_feature_sparse_super(sb);
sb->s_state &= ~EXT2_VALID_FS;
ext2fs_mark_super_dirty(fs);
printf(_("\nSparse superblock flag set. %s"),
}
}
if (s_flag == 0) {
- if (!(sb->s_feature_ro_compat &
- EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER))
- fprintf(stderr, _("\nThe filesystem already"
- " has sparse superblocks disabled.\n"));
- else {
- sb->s_feature_ro_compat &=
- ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER;
- sb->s_state &= ~EXT2_VALID_FS;
- fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
- ext2fs_mark_super_dirty(fs);
- printf(_("\nSparse superblock flag cleared. %s"),
- _(please_fsck));
- }
+ fputs(_("\nClearing the sparse superblock flag not supported.\n"),
+ stderr);
+ rc = 1;
+ goto closefs;
}
if (T_flag) {
sb->s_lastcheck = 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);
+ printf(_("Setting reserved blocks uid to %lu\n"), resuid);
}
if (L_flag) {
if (strlen(new_label) > sizeof(sb->s_volume_name))
- fprintf(stderr, _("Warning: label too "
- "long, truncating.\n"));
+ 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));
sizeof(sb->s_last_mounted));
ext2fs_mark_super_dirty(fs);
}
- if (features_cmd)
- update_feature_set(fs, features_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);
+ rc = 1;
+ goto closefs;
+ }
+ handle_quota_options(fs);
+ }
+
if (U_flag) {
+ int set_csum = 0;
+ dgrp_t i;
+ char buf[SUPERBLOCK_SIZE] __attribute__ ((aligned(8)));
+ __u8 old_uuid[UUID_SIZE];
+
+ if (ext2fs_has_group_desc_csum(fs)) {
+ /*
+ * Changing the UUID on a metadata_csum FS requires
+ * rewriting all metadata, which can race with a
+ * mounted fs. Don't allow that unless we're saving
+ * the checksum seed.
+ */
+ if ((mount_flags & EXT2_MF_MOUNTED) &&
+ !ext2fs_has_feature_csum_seed(fs->super) &&
+ ext2fs_has_feature_metadata_csum(fs->super)) {
+ fputs(_("The UUID may only be "
+ "changed when the filesystem is "
+ "unmounted.\n"), stderr);
+ fputs(_("If you only use kernels newer than "
+ "v4.4, run 'tune2fs -O "
+ "metadata_csum_seed' and re-run this "
+ "command.\n"), stderr);
+ try_confirm_csum_seed_support();
+ exit(1);
+ }
+ if (!ext2fs_has_feature_csum_seed(fs->super))
+ check_fsck_needed(fs,
+ _("Setting UUID on a checksummed "
+ "filesystem could take some time."));
+
+ /*
+ * 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;
+ }
+
+ memcpy(old_uuid, sb->s_uuid, UUID_SIZE);
if ((strcasecmp(new_UUID, "null") == 0) ||
(strcasecmp(new_UUID, "clear") == 0)) {
uuid_clear(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, _("Invalid UUID format\n"));
- exit(1);
+ com_err(program_name, 0, "%s",
+ _("Invalid UUID format\n"));
+ rc = 1;
+ goto closefs;
+ }
+ ext2fs_init_csum_seed(fs);
+ 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;
+ }
+
+ /* If this is a journal dev, we need to copy UUID into jsb */
+ if (!(rc = get_journal_sb(fs, buf))) {
+ journal_superblock_t *jsb;
+
+ jsb = (journal_superblock_t *) buf;
+ fputs(_("Need to update journal superblock.\n"), stdout);
+ memcpy(jsb->s_uuid, sb->s_uuid, sizeof(sb->s_uuid));
+
+ /* Writeback the journal superblock */
+ if ((rc = io_channel_write_blk64(fs->io,
+ ext2fs_journal_sb_start(fs->blocksize),
+ -SUPERBLOCK_SIZE, buf)))
+ goto closefs;
+ } else if (rc != EXT2_ET_UNSUPP_FEATURE)
+ goto closefs;
+ else {
+ rc = 0; /** Reset rc to avoid ext2fs_mmp_stop() */
+
+ if ((rc = fs_update_journal_user(sb, old_uuid)))
+ goto closefs;
}
+
ext2fs_mark_super_dirty(fs);
+ if (!ext2fs_has_feature_csum_seed(fs->super) &&
+ (ext2fs_has_feature_metadata_csum(fs->super) ||
+ ext2fs_has_feature_ea_inode(fs->super)))
+ rewrite_checksums = 1;
+ }
+
+ 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 (ext2fs_has_feature_flex_bg(fs->super)) {
+ 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
+ */
+ if (rewrite_checksums)
+ fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ retval = resize_inode(fs, new_inode_size);
+ if (rewrite_checksums)
+ fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ if (retval == 0) {
+ printf(_("Setting inode size %lu\n"),
+ new_inode_size);
+ rewrite_checksums = 1;
+ } else {
+ printf("%s", _("Failed to change inode size\n"));
+ rc = 1;
+ goto closefs;
+ }
}
+ if (rewrite_checksums)
+ rewrite_metadata_checksums(fs);
+
if (l_flag)
- list_super (sb);
- return (ext2fs_close (fs) ? 1 : 0);
+ 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);
+#ifndef BUILD_AS_LIB
+ exit(1);
+#endif
+ }
+
+ if (feature_64bit)
+ convert_64bit(fs, feature_64bit);
+ return (ext2fs_close_free(&fs) ? 1 : 0);
}
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff