#include <sys/types.h>
#include <libgen.h>
#include <limits.h>
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.h"
#include "et/com_err.h"
#include "support/plausible.h"
#include "support/quotaio.h"
+#include "support/devname.h"
#include "uuid/uuid.h"
#include "e2p/e2p.h"
#include "util.h"
#define QOPT_ENABLE (1)
#define QOPT_DISABLE (-1)
+#ifndef FS_IOC_SETFSLABEL
+#define FSLABEL_MAX 256
+#define FS_IOC_SETFSLABEL _IOW(0x94, 50, char[FSLABEL_MAX])
+#endif
+
+#ifndef FS_IOC_GETFSLABEL
+#define FS_IOC_GETFSLABEL _IOR(0x94, 49, char[FSLABEL_MAX])
+#endif
+
+struct fsuuid {
+ __u32 fsu_len;
+ __u32 fsu_flags;
+ __u8 fsu_uuid[];
+};
+
+#ifndef EXT4_IOC_GETFSUUID
+#define EXT4_IOC_GETFSUUID _IOR('f', 44, struct fsuuid)
+#endif
+
+#ifndef EXT4_IOC_SETFSUUID
+#define EXT4_IOC_SETFSUUID _IOW('f', 44, struct fsuuid)
+#endif
+
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 *new_label, *new_last_mounted, *requested_uuid;
char *io_options;
static int c_flag, C_flag, e_flag, f_flag, g_flag, i_flag, l_flag, L_flag;
static int m_flag, M_flag, Q_flag, r_flag, s_flag = -1, u_flag, U_flag, T_flag;
static char *undo_file;
int enabling_casefold;
-int journal_size, journal_flags;
+int journal_size, journal_fc_size, journal_flags;
char *journal_device;
static blk64_t journal_location = ~0LL;
+static e2_blkcnt_t orphan_file_blocks;
static struct list_head blk_move_list;
static __u32 ok_features[3] = {
/* Compat */
EXT3_FEATURE_COMPAT_HAS_JOURNAL |
- EXT2_FEATURE_COMPAT_DIR_INDEX,
+ EXT2_FEATURE_COMPAT_DIR_INDEX |
+ EXT4_FEATURE_COMPAT_FAST_COMMIT |
+ EXT4_FEATURE_COMPAT_STABLE_INODES |
+ EXT4_FEATURE_COMPAT_ORPHAN_FILE,
/* Incompat */
EXT2_FEATURE_INCOMPAT_FILETYPE |
EXT3_FEATURE_INCOMPAT_EXTENTS |
/* Compat */
EXT3_FEATURE_COMPAT_HAS_JOURNAL |
EXT2_FEATURE_COMPAT_RESIZE_INODE |
- EXT2_FEATURE_COMPAT_DIR_INDEX,
+ EXT2_FEATURE_COMPAT_DIR_INDEX |
+ EXT4_FEATURE_COMPAT_FAST_COMMIT |
+ EXT4_FEATURE_COMPAT_ORPHAN_FILE,
/* Incompat */
EXT2_FEATURE_INCOMPAT_FILETYPE |
EXT4_FEATURE_INCOMPAT_FLEX_BG |
EXT4_FEATURE_INCOMPAT_MMP |
EXT4_FEATURE_INCOMPAT_64BIT |
- EXT4_FEATURE_INCOMPAT_CSUM_SEED,
+ EXT4_FEATURE_INCOMPAT_CSUM_SEED |
+ EXT4_FEATURE_INCOMPAT_CASEFOLD,
/* R/O compat */
EXT2_FEATURE_RO_COMPAT_LARGE_FILE |
EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
}
jsb = (journal_superblock_t *) buf;
- if ((jsb->s_header.h_magic != (unsigned)ntohl(JFS_MAGIC_NUMBER)) ||
- (jsb->s_header.h_blocktype != (unsigned)ntohl(JFS_SUPERBLOCK_V2))) {
+ if ((jsb->s_header.h_magic != (unsigned)ntohl(JBD2_MAGIC_NUMBER)) ||
+ (jsb->s_header.h_blocktype != (unsigned)ntohl(JBD2_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],
+static __u8 *journal_user(__u8 uuid[UUID_SIZE], __u8 s_users[JBD2_USERS_SIZE],
int nr_users)
{
int i;
jsb = (journal_superblock_t *) buf;
/* Find the filesystem UUID */
nr_users = ntohl(jsb->s_nr_users);
- if (nr_users > JFS_USERS_MAX) {
+ if (nr_users > JBD2_USERS_MAX) {
fprintf(stderr, _("Journal superblock is corrupted, nr_users\n"
"is too high (%d).\n"), nr_users);
commit_remove_journal = 1;
_("while clearing journal inode"));
return retval;
}
+ fs->super->s_overhead_clusters -=
+ EXT2FS_NUM_B2C(fs, EXT2_I_SIZE(&inode) / fs->blocksize);
memset(&inode, 0, sizeof(inode));
ext2fs_mark_bb_dirty(fs);
fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
char *buf;
errcode_t errcode;
ext2_ino_t dir;
- int is_htree;
+ int is_htree:1;
+ int clear_htree:1;
};
static int rewrite_dir_block(ext2_filsys fs,
if (ctx->errcode)
return BLOCK_ABORT;
- /* if htree node... */
- if (ctx->is_htree)
+ /*
+ * if htree node... Note that if we are clearing htree structures from
+ * the directory, we treat the htree internal block as an ordinary leaf.
+ * The code below will do the right thing and make space for checksum
+ * there.
+ */
+ if (ctx->is_htree && !ctx->clear_htree)
ext2fs_get_dx_countlimit(fs, (struct ext2_dir_entry *)ctx->buf,
&dcl, &dcl_offset);
if (dcl) {
if (retval)
return retval;
- ctx.is_htree = (inode->i_flags & EXT2_INDEX_FL);
+ ctx.is_htree = !!(inode->i_flags & EXT2_INDEX_FL);
+ ctx.clear_htree = !ext2fs_has_feature_dir_index(fs->super);
ctx.dir = dir;
ctx.errcode = 0;
retval = ext2fs_block_iterate3(fs, dir, BLOCK_FLAG_READ_ONLY |
if (retval)
return retval;
+ if (ctx.is_htree && ctx.clear_htree) {
+ inode->i_flags &= ~EXT2_INDEX_FL;
+ retval = ext2fs_write_inode(fs, dir, inode);
+ if (retval)
+ return retval;
+ }
+
return ctx.errcode;
}
fatal_err(retval, "while rewriting extended attribute");
}
-/*
- * Forcibly set checksums in all inodes.
- */
-static void rewrite_inodes(ext2_filsys fs)
+#define REWRITE_EA_FL 0x01 /* Rewrite EA inodes */
+#define REWRITE_DIR_FL 0x02 /* Rewrite directories */
+#define REWRITE_NONDIR_FL 0x04 /* Rewrite other inodes */
+#define REWRITE_ALL (REWRITE_EA_FL | REWRITE_DIR_FL | REWRITE_NONDIR_FL)
+
+static void rewrite_inodes_pass(struct rewrite_context *ctx, unsigned int flags)
{
ext2_inode_scan scan;
errcode_t retval;
ext2_ino_t ino;
struct ext2_inode *inode;
- int pass;
+ int rewrite;
+
+ retval = ext2fs_get_mem(ctx->inode_size, &inode);
+ if (retval)
+ fatal_err(retval, "while allocating memory");
+
+ retval = ext2fs_open_inode_scan(ctx->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;
+
+ rewrite = 0;
+ if (inode->i_flags & EXT4_EA_INODE_FL) {
+ if (flags & REWRITE_EA_FL)
+ rewrite = 1;
+ } else if (LINUX_S_ISDIR(inode->i_mode)) {
+ if (flags & REWRITE_DIR_FL)
+ rewrite = 1;
+ } else {
+ if (flags & REWRITE_NONDIR_FL)
+ rewrite = 1;
+ }
+ if (rewrite)
+ rewrite_one_inode(ctx, ino, inode);
+ } while (ino);
+ ext2fs_close_inode_scan(scan);
+ ext2fs_free_mem(&inode);
+}
+
+/*
+ * Forcibly rewrite checksums in inodes specified by 'flags'
+ */
+static void rewrite_inodes(ext2_filsys fs, unsigned int flags)
+{
struct rewrite_context ctx = {
.fs = fs,
.inode_size = EXT2_INODE_SIZE(fs->super),
};
+ errcode_t retval;
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");
*
* 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;
-
- 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);
- }
+ if (ext2fs_has_feature_ea_inode(fs->super) && (flags & REWRITE_EA_FL))
+ rewrite_inodes_pass(&ctx, REWRITE_EA_FL);
+ flags &= ~REWRITE_EA_FL;
+ rewrite_inodes_pass(&ctx, flags);
ext2fs_free_mem(&ctx.zero_inode);
ext2fs_free_mem(&ctx.ea_buf);
- ext2fs_free_mem(&inode);
}
-static void rewrite_metadata_checksums(ext2_filsys fs)
+static void rewrite_metadata_checksums(ext2_filsys fs, unsigned int flags)
{
errcode_t retval;
dgrp_t i;
retval = ext2fs_read_bitmaps(fs);
if (retval)
fatal_err(retval, "while reading bitmaps");
- rewrite_inodes(fs);
+ rewrite_inodes(fs, flags);
ext2fs_mark_ib_dirty(fs);
ext2fs_mark_bb_dirty(fs);
ext2fs_mmp_update2(fs, 1);
return retval;
}
+static int has_casefold_inode(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;
+ int found_casefold = 0;
+
+ retval = ext2fs_get_mem(length, &inode);
+ if (retval)
+ fatal_err(retval, "while allocating memory");
+
+ 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, length);
+ if (retval)
+ fatal_err(retval, "while getting next inode");
+ if (!ino)
+ break;
+
+ if(inode->i_flags & EXT4_CASEFOLD_FL) {
+ found_casefold = 1;
+ break;
+ }
+ } while(1);
+
+ ext2fs_free_mem(&inode);
+ ext2fs_close_inode_scan(scan);
+ return found_casefold;
+}
+
static errcode_t disable_uninit_bg(ext2_filsys fs, __u32 csum_feature_flag)
{
struct ext2_group_desc *gd;
}
}
+ if (FEATURE_OFF(E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_ORPHAN_FILE)) {
+ ext2_ino_t ino;
+
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fputs(_("The orphan_file feature may only be cleared "
+ "when the filesystem is unmounted.\n"), stderr);
+ return 1;
+ }
+ if (ext2fs_has_feature_orphan_present(sb) && f_flag < 2) {
+ fputs(_("The orphan_present feature is set. Please "
+ "run e2fsck before clearing orphan_file "
+ "feature.\n"),
+ stderr);
+ return 1;
+ }
+ err = ext2fs_read_bitmaps(fs);
+ if (err) {
+ com_err(program_name, err, "%s",
+ _("while loading bitmaps"));
+ return 1;
+ }
+ err = ext2fs_truncate_orphan_file(fs);
+ if (err) {
+ com_err(program_name, err,
+ _("\n\twhile trying to delete orphan file\n"));
+ return 1;
+ }
+ ino = sb->s_orphan_file_inum;
+ sb->s_orphan_file_inum = 0;
+ ext2fs_inode_alloc_stats2(fs, ino, -1, 0);
+ ext2fs_clear_feature_orphan_file(sb);
+ ext2fs_clear_feature_orphan_present(sb);
+ ext2fs_mark_super_dirty(fs);
+ }
+
+ if (FEATURE_ON(E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_ORPHAN_FILE)) {
+ if (!ext2fs_has_feature_journal(sb)) {
+ fputs(_("orphan_file feature can be set only for "
+ "filesystems with journal.\n"), stderr);
+ return 1;
+ }
+ /*
+ * If adding an orphan file, let the create orphan file
+ * code below handle setting the flag and creating it.
+ * We supply a default size if necessary.
+ */
+ orphan_file_blocks = ext2fs_default_orphan_file_blocks(fs);
+ ext2fs_set_feature_orphan_file(sb);
+ }
+
if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
if (ext2fs_has_feature_meta_bg(sb)) {
uuid_generate((unsigned char *) sb->s_hash_seed);
}
+ if (FEATURE_OFF(E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_DIR_INDEX) &&
+ ext2fs_has_feature_metadata_csum(sb)) {
+ if (check_fsck_needed(fs,
+ _("Disabling directory index on filesystem with "
+ "checksums could take some time.")))
+ return 1;
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fputs(_("Cannot disable dir_index on a mounted "
+ "filesystem!\n"), stderr);
+ exit(1);
+ }
+ /*
+ * Clearing dir_index on checksummed filesystem requires
+ * rewriting all directories to update checksums.
+ */
+ rewrite_checksums |= REWRITE_DIR_FL;
+ }
+
if (FEATURE_OFF(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
if (ext2fs_check_desc(fs)) {
fputs(_("Clearing the flex_bg flag would "
"The larger fields afforded by this feature "
"enable full-strength checksumming. "
"Run resize2fs -b to rectify.\n"));
- rewrite_checksums = 1;
+ rewrite_checksums = REWRITE_ALL;
/* metadata_csum supersedes uninit_bg */
ext2fs_clear_feature_gdt_csum(fs->super);
"filesystem!\n"), stderr);
return 1;
}
- rewrite_checksums = 1;
+ rewrite_checksums = REWRITE_ALL;
/* Enable uninit_bg unless the user expressly turned it off */
memcpy(test_features, old_features, sizeof(test_features));
enabling_casefold = 1;
}
+ if (FEATURE_OFF(E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_CASEFOLD)) {
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fputs(_("The casefold feature may only be disabled when "
+ "the filesystem is unmounted.\n"), stderr);
+ return 1;
+ }
+ if (has_casefold_inode(fs)) {
+ fputs(_("The casefold feature can't be cleared when "
+ "there are inodes with +F flag.\n"), stderr);
+ return 1;
+ }
+ fs->super->s_encoding = 0;
+ fs->super->s_encoding_flags = 0;
+ enabling_casefold = 0;
+ }
+
if (FEATURE_ON(E2P_FEATURE_INCOMPAT,
EXT4_FEATURE_INCOMPAT_CSUM_SEED)) {
if (!ext2fs_has_feature_metadata_csum(sb)) {
return 1;
}
if (check_fsck_needed(fs, _("Recalculating checksums "
- "could take some time.")))
+ "could take some time.")))
return 1;
- rewrite_checksums = 1;
+ rewrite_checksums = REWRITE_ALL;
}
}
*/
static int add_journal(ext2_filsys fs)
{
- unsigned long journal_blocks;
+ struct ext2fs_journal_params jparams;
errcode_t retval;
ext2_filsys jfs;
io_manager io_ptr;
} else if (journal_size) {
fputs(_("Creating journal inode: "), stdout);
fflush(stdout);
- journal_blocks = figure_journal_size(journal_size, fs);
+ figure_journal_size(&jparams, journal_size, journal_fc_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,
+ retval = ext2fs_add_journal_inode3(fs, &jparams,
journal_location,
journal_flags);
if (retval) {
com_err(program_name, retval, "%s",
_("\n\twhile trying to create journal file"));
return retval;
- } else
- fputs(_("done\n"), stdout);
+ }
+ fs->super->s_overhead_clusters += EXT2FS_NUM_B2C(fs,
+ jparams.num_journal_blocks + jparams.num_fc_blocks);
+ ext2fs_mark_super_dirty(fs);
+ fputs(_("done\n"), stdout);
+
/*
* If the filesystem wasn't mounted, we need to force
* the block group descriptors out.
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);
+ retval = quota_read_all_dquots(qctx, qf_ino,
+ qtype,
+ QREAD_LIMITS);
if (retval) {
com_err(program_name, retval,
_("while updating quota limits (%d)"),
io_options = strchr(argv[1], '?');
if (io_options)
*io_options++ = 0;
- device_name = blkid_get_devname(NULL, argv[1], NULL);
+ device_name = 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;
+ open_flag = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SUPER_ONLY;
if (argc == 3) {
open_flag |= EXT2_FLAG_RW;
L_flag = 1;
while ((c = getopt(argc, argv, optstring)) != EOF)
switch (c) {
case 'c':
+ open_flag = EXT2_FLAG_RW;
+ c_flag = 1;
+ if (strcmp(optarg, "random") == 0) {
+ max_mount_count = 65536;
+ break;
+ }
max_mount_count = strtol(optarg, &tmp, 0);
- if (*tmp || max_mount_count > 16000) {
+ if (*tmp || max_mount_count > 16000 ||
+ max_mount_count < -16000) {
com_err(program_name, 0,
_("bad mounts count - %s"),
optarg);
}
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);
open_flag = EXT2_FLAG_RW;
break;
case 'U':
- new_UUID = optarg;
+ requested_uuid = optarg;
U_flag = 1;
open_flag = EXT2_FLAG_RW |
EXT2_FLAG_JOURNAL_DEV_OK;
io_options = strchr(argv[optind], '?');
if (io_options)
*io_options++ = 0;
- device_name = blkid_get_devname(NULL, argv[optind], NULL);
+ device_name = get_devname(NULL, argv[optind], NULL);
if (!device_name) {
com_err(program_name, 0, _("Unable to resolve '%s'"),
argv[optind]);
continue;
}
encoding_flags = arg;
+ } else if (!strcmp(token, "orphan_file_size")) {
+ if (!arg) {
+ r_usage++;
+ continue;
+ }
+ orphan_file_blocks = parse_num_blocks2(arg,
+ fs->super->s_log_block_size);
+
+ if (orphan_file_blocks < 1) {
+ fprintf(stderr,
+ _("Invalid size of orphan file %s\n"),
+ arg);
+ r_usage++;
+ continue;
+ }
} else
r_usage++;
}
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); \
if (retval)
goto err_out_undo;
- ext2fs_calculate_summary_stats(fs);
+ ext2fs_calculate_summary_stats(fs, 1 /* super only */);
fs->super->s_state |= EXT2_VALID_FS;
/* mark super block and block bitmap as dirty */
jsb = (journal_superblock_t *) buf;
/* Find the filesystem UUID */
nr_users = ntohl(jsb->s_nr_users);
- if (nr_users > JFS_USERS_MAX) {
+ if (nr_users > JBD2_USERS_MAX) {
fprintf(stderr, _("Journal superblock is corrupted, nr_users\n"
"is too high (%d).\n"), nr_users);
return EXT2_ET_CORRUPT_JOURNAL_SB;
return 0;
}
+/*
+ * Use FS_IOC_SETFSLABEL or FS_IOC_GETFSLABEL to set/get file system label
+ * Return: 0 on success
+ * 1 on error
+ * -1 when the old method should be used
+ */
+int handle_fslabel(int setlabel) {
+ errcode_t ret;
+ int mnt_flags, fd;
+ char label[FSLABEL_MAX];
+ int maxlen = FSLABEL_MAX - 1;
+ char mntpt[PATH_MAX + 1];
+
+#ifdef __linux__
+ ret = ext2fs_check_mount_point(device_name, &mnt_flags,
+ mntpt, sizeof(mntpt));
+ if (ret) {
+ com_err(device_name, ret, _("while checking mount status"));
+ return 1;
+ }
+ if (!(mnt_flags & EXT2_MF_MOUNTED) ||
+ (setlabel && (mnt_flags & EXT2_MF_READONLY)))
+ return -1;
+
+ if (!mntpt[0]) {
+ fprintf(stderr,_("Unknown mount point for %s\n"), device_name);
+ return 1;
+ }
+
+ fd = open(mntpt, O_RDONLY);
+ if (fd < 0) {
+ com_err(mntpt, errno, _("while opening mount point"));
+ return 1;
+ }
+
+ /* Get fs label */
+ if (!setlabel) {
+ if (ioctl(fd, FS_IOC_GETFSLABEL, &label)) {
+ close(fd);
+ if (errno == ENOTTY)
+ return -1;
+ com_err(mntpt, errno, _("while trying to get fs label"));
+ return 1;
+ }
+ close(fd);
+ printf("%.*s\n", EXT2_LEN_STR(label));
+ return 0;
+ }
+
+ /* If it's extN file system, truncate the label to appropriate size */
+ if (mnt_flags & EXT2_MF_EXTFS)
+ maxlen = EXT2_LABEL_LEN;
+ if (strlen(new_label) > maxlen) {
+ fputs(_("Warning: label too long, truncating.\n"),
+ stderr);
+ new_label[maxlen] = '\0';
+ }
+
+ /* Set fs label */
+ if (ioctl(fd, FS_IOC_SETFSLABEL, new_label)) {
+ close(fd);
+ if (errno == ENOTTY)
+ return -1;
+ com_err(mntpt, errno, _("while trying to set fs label"));
+ return 1;
+ }
+ close(fd);
+ return 0;
+#else
+ return -1;
+#endif
+}
+
#ifndef BUILD_AS_LIB
int main(int argc, char **argv)
#else
io_manager io_ptr, io_ptr_orig = NULL;
int rc = 0;
char default_undo_file[1] = { 0 };
+ char mntpt[PATH_MAX + 1] = { 0 };
+ int fd = -1;
+ struct fsuuid *fsuuid = NULL;
#ifdef ENABLE_NLS
setlocale(LC_MESSAGES, "");
#endif
if (argc && *argv)
program_name = *argv;
+ else
+ usage();
add_error_table(&et_ext2_error_table);
#ifdef CONFIG_BUILD_FINDFS
#endif
io_ptr = unix_io_manager;
+ /*
+ * Try the get/set fs label using ioctls before we even attempt
+ * to open the file system.
+ */
+ if (L_flag || print_label) {
+ rc = handle_fslabel(L_flag);
+ if (rc != -1) {
+#ifndef BUILD_AS_LIB
+ exit(rc);
+#endif
+ return rc;
+ }
+ rc = 0;
+ }
+
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;
+ open_flag |= EXT2_FLAG_64BITS | EXT2_FLAG_THREADS |
+ EXT2_FLAG_JOURNAL_DEV_OK;
/* keep the filesystem struct around to dump MMP data */
open_flag |= EXT2_FLAG_NOFREE_ON_ERROR;
goto closefs;
}
- retval = ext2fs_check_if_mounted(device_name, &mount_flags);
+ retval = ext2fs_check_mount_point(device_name, &mount_flags,
+ mntpt, sizeof(mntpt));
if (retval) {
- com_err("ext2fs_check_if_mount", retval,
+ com_err("ext2fs_check_mount_point", retval,
_("while determining whether %s is mounted."),
device_name);
rc = 1;
fs->flags |= EXT2_FLAG_SUPER_ONLY;
if (c_flag) {
+ if (max_mount_count == 65536)
+ max_mount_count = EXT2_DFL_MAX_MNT_COUNT +
+ (random() % EXT2_DFL_MAX_MNT_COUNT);
sb->s_max_mnt_count = max_mount_count;
ext2fs_mark_super_dirty(fs);
printf(_("Setting maximal mount count to %d\n"),
ext2fs_blocks_count(sb) / 100.0);
ext2fs_mark_super_dirty(fs);
printf (_("Setting reserved blocks percentage to %g%% (%llu blocks)\n"),
- reserved_ratio, ext2fs_r_blocks_count(sb));
+ reserved_ratio,
+ (unsigned long long) ext2fs_r_blocks_count(sb));
}
if (r_flag) {
if (reserved_blocks > ext2fs_blocks_count(sb)/2) {
com_err(program_name, 0,
_("reserved blocks count is too big (%llu)"),
- reserved_blocks);
+ (unsigned long long) reserved_blocks);
rc = 1;
goto closefs;
}
ext2fs_r_blocks_count_set(sb, reserved_blocks);
ext2fs_mark_super_dirty(fs);
printf(_("Setting reserved blocks count to %llu\n"),
- reserved_blocks);
+ (unsigned long long) reserved_blocks);
}
if (s_flag == 1) {
if (ext2fs_has_feature_sparse_super(sb)) {
if (rc)
goto closefs;
}
+ if (orphan_file_blocks) {
+ errcode_t err;
+
+ err = ext2fs_read_bitmaps(fs);
+ if (err) {
+ com_err(program_name, err, "%s",
+ _("while loading bitmaps"));
+ rc = 1;
+ goto closefs;
+ }
+ err = ext2fs_create_orphan_file(fs, orphan_file_blocks);
+ if (err) {
+ com_err(program_name, err, "%s",
+ _("while creating orphan file"));
+ rc = 1;
+ goto closefs;
+ }
+ }
if (Q_flag) {
if (mount_flags & EXT2_MF_MOUNTED) {
dgrp_t i;
char buf[SUPERBLOCK_SIZE] __attribute__ ((aligned(8)));
__u8 old_uuid[UUID_SIZE];
+ uuid_t new_uuid;
+ errcode_t ret = -1;
+
+ if (ext2fs_has_feature_stable_inodes(fs->super)) {
+ fputs(_("Cannot change the UUID of this filesystem "
+ "because it has the stable_inodes feature "
+ "flag.\n"), stderr);
+ exit(1);
+ }
if (!ext2fs_has_feature_csum_seed(fs->super) &&
(ext2fs_has_feature_metadata_csum(fs->super) ||
"filesystem could take some time."));
if (rc)
goto closefs;
- rewrite_checksums = 1;
+ rewrite_checksums = REWRITE_ALL;
}
if (ext2fs_has_group_desc_csum(fs)) {
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, "time") == 0) {
- uuid_generate_time(sb->s_uuid);
- } else if (strcasecmp(new_UUID, "random") == 0) {
- uuid_generate(sb->s_uuid);
- } else if (uuid_parse(new_UUID, sb->s_uuid)) {
+#ifdef __linux__
+ if ((mount_flags & EXT2_MF_MOUNTED) &&
+ !(mount_flags & EXT2_MF_READONLY) && mntpt[0]) {
+ fd = open(mntpt, O_RDONLY);
+ if (fd >= 0)
+ fsuuid = malloc(sizeof(*fsuuid) + UUID_SIZE);
+ if (fsuuid) {
+ fsuuid->fsu_len = UUID_SIZE;
+ fsuuid->fsu_flags = 0;
+ ret = ioctl(fd, EXT4_IOC_GETFSUUID, fsuuid);
+ if (ret || fsuuid->fsu_len != UUID_SIZE) {
+ free(fsuuid);
+ fsuuid = NULL;
+ }
+ }
+ }
+#endif
+
+ memcpy(old_uuid, fsuuid ? fsuuid->fsu_uuid : sb->s_uuid,
+ UUID_SIZE);
+ if ((strcasecmp(requested_uuid, "null") == 0) ||
+ (strcasecmp(requested_uuid, "clear") == 0)) {
+ uuid_clear(new_uuid);
+ } else if (strcasecmp(requested_uuid, "time") == 0) {
+ uuid_generate_time(new_uuid);
+ } else if (strcasecmp(requested_uuid, "random") == 0) {
+ uuid_generate(new_uuid);
+ } else if (uuid_parse(requested_uuid, new_uuid)) {
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;
+
+ ret = -1;
+#ifdef __linux__
+ if (fsuuid) {
+ fsuuid->fsu_len - UUID_SIZE;
+ fsuuid->fsu_flags = 0;
+ memcpy(&fsuuid->fsu_uuid, new_uuid, UUID_SIZE);
+ ret = ioctl(fd, EXT4_IOC_SETFSUUID, fsuuid);
+ }
+#endif
+ /*
+ * If we can't set the UUID via the ioctl, fall
+ * back to directly modifying the superblock
+ .*/
+ if (ret) {
+ memcpy(sb->s_uuid, new_uuid, UUID_SIZE);
+ 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;
+ }
+ ext2fs_mark_super_dirty(fs);
}
/* If this is a journal dev, we need to copy UUID into jsb */
if ((rc = fs_update_journal_user(sb, old_uuid)))
goto closefs;
}
-
- ext2fs_mark_super_dirty(fs);
}
if (I_flag) {
if (retval == 0) {
printf(_("Setting inode size %lu\n"),
new_inode_size);
- rewrite_checksums = 1;
+ rewrite_checksums = REWRITE_ALL;
} else {
printf("%s", _("Failed to change inode size\n"));
rc = 1;
}
if (rewrite_checksums)
- rewrite_metadata_checksums(fs);
+ rewrite_metadata_checksums(fs, rewrite_checksums);
if (l_flag)
list_super(sb);
remove_error_table(&et_ext2_error_table);
closefs:
+ if (fd >= 0)
+ close(fd);
+ if (fsuuid)
+ free(fsuuid);
if (rc) {
ext2fs_mmp_stop(fs);
#ifndef BUILD_AS_LIB