* enforced (but it's not much fun on a character device :-).
*/
-#define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX in Solaris */
+#define _XOPEN_SOURCE 600 /* for inclusion of PATH_MAX */
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <strings.h>
-#include <fcntl.h>
#include <ctype.h>
#include <time.h>
#ifdef __linux__
#include <errno.h>
#endif
#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
#include <libgen.h>
#include <limits.h>
#include <blkid/blkid.h>
#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fsP.h"
-#include "et/com_err.h"
#include "uuid/uuid.h"
-#include "e2p/e2p.h"
-#include "ext2fs/ext2fs.h"
#include "util.h"
+#include "plausible.h"
#include "profile.h"
#include "prof_err.h"
#include "../version.h"
-#include "nls-enable.h"
#include "quota/quotaio.h"
#include "mke2fs.h"
+#include "create_inode.h"
+#include "nls-enable.h"
#define STRIDE_LENGTH 8
char *journal_device;
static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
char **fs_types;
+const char *root_dir; /* Copy files from the specified directory */
+static char *undo_file;
static profile_t profile;
static int sys_page_size = 4096;
+static int errors_behavior = 0;
+
static void usage(void)
{
fprintf(stderr, _("Usage: %s [-c|-l filename] [-b block-size] "
"[-C cluster-size]\n\t[-i bytes-per-inode] [-I inode-size] "
"[-J journal-options]\n"
- "\t[-G flex-group-size] [-N number-of-inodes]\n"
+ "\t[-G flex-group-size] [-N number-of-inodes] "
+ "[-d root-directory]\n"
"\t[-m reserved-blocks-percentage] [-o creator-os]\n"
"\t[-g blocks-per-group] [-L volume-label] "
"[-M last-mounted-directory]\n\t[-O feature[,...]] "
"[-r fs-revision] [-E extended-option[,...]]\n"
- "\t[-t fs-type] [-T usage-type ] [-U UUID] "
- "[-jnqvDFKSV] device [blocks-count]\n"),
+ "\t[-t fs-type] [-T usage-type ] [-U UUID] [-e errors_behavior]"
+ "[-z undo_file]\n"
+ "\t[-jnqvDFKSV] device [blocks-count]\n"),
program_name);
exit(1);
}
ext2fs_badblocks_list_iterate_end(bb_iter);
}
+static void write_reserved_inodes(ext2_filsys fs)
+{
+ errcode_t retval;
+ ext2_ino_t ino;
+ struct ext2_inode *inode;
+
+ retval = ext2fs_get_memzero(EXT2_INODE_SIZE(fs->super), &inode);
+ if (retval) {
+ com_err("inode_init", retval, _("while allocating memory"));
+ exit(1);
+ }
+
+ for (ino = 1; ino < EXT2_FIRST_INO(fs->super); ino++)
+ ext2fs_write_inode_full(fs, ino, inode,
+ EXT2_INODE_SIZE(fs->super));
+
+ ext2fs_free_mem(&inode);
+}
+
static errcode_t packed_allocate_tables(ext2_filsys fs)
{
errcode_t retval;
ext2fs_bg_flags_set(fs, i, EXT2_BG_INODE_ZEROED);
ext2fs_group_desc_csum_set(fs, i);
}
- retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
- if (retval) {
- fprintf(stderr, _("\nCould not write %d "
- "blocks in inode table starting at %llu: %s\n"),
- num, blk, error_message(retval));
- exit(1);
+ if (!itable_zeroed) {
+ retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
+ if (retval) {
+ fprintf(stderr, _("\nCould not write %d "
+ "blocks in inode table starting at %llu: %s\n"),
+ num, blk, error_message(retval));
+ exit(1);
+ }
}
if (sync_kludge) {
if (sync_kludge == 1)
sync();
}
}
- ext2fs_zero_blocks2(0, 0, 0, 0, 0);
ext2fs_numeric_progress_close(fs, &progress,
_("done \n"));
+
+ /* Reserved inodes must always have correct checksums */
+ if (fs->super->s_creator_os == EXT2_OS_LINUX &&
+ fs->super->s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
+ write_reserved_inodes(fs);
}
static void create_root_dir(ext2_filsys fs)
count -= c;
ext2fs_numeric_progress_update(fs, &progress, blk);
}
- ext2fs_zero_blocks2(0, 0, 0, 0, 0);
ext2fs_numeric_progress_close(fs, &progress, NULL);
write_superblock:
printf("\n\n");
}
+/*
+ * Returns true if making a file system for the Hurd, else 0
+ */
+static int for_hurd(const char *os)
+{
+ if (!os) {
+#ifdef __GNU__
+ return 1;
+#else
+ return 0;
+#endif
+ }
+ if (isdigit(*os))
+ return (atoi(os) == EXT2_OS_HURD);
+ return (strcasecmp(os, "GNU") == 0 || strcasecmp(os, "hurd") == 0);
+}
+
/*
* Set the S_CREATOR_OS field. Return true if OS is known,
* otherwise, 0.
EXT2_FEATURE_INCOMPAT_META_BG|
EXT4_FEATURE_INCOMPAT_FLEX_BG|
EXT4_FEATURE_INCOMPAT_MMP |
- EXT4_FEATURE_INCOMPAT_64BIT,
+ EXT4_FEATURE_INCOMPAT_64BIT|
+ EXT4_FEATURE_INCOMPAT_INLINE_DATA|
+ EXT4_FEATURE_INCOMPAT_ENCRYPT,
/* R/O compat */
EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
#ifdef CONFIG_QUOTA
EXT4_FEATURE_RO_COMPAT_QUOTA|
#endif
- 0
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
};
const char *size_type;
struct str_list list;
unsigned long long meg;
- int is_hurd = 0;
+ int is_hurd = for_hurd(creator_os);
if (init_list(&list))
return 0;
- if (creator_os && (!strcasecmp(creator_os, "GNU") ||
- !strcasecmp(creator_os, "hurd")))
- is_hurd = 1;
-
if (fs_type)
ext_type = fs_type;
else if (is_hurd)
}
while ((c = getopt (argc, argv,
- "b:cg:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:V")) != EOF) {
+ "b:ce:g:i:jl:m:no:qr:s:t:d:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:Vz:")) != EOF) {
switch (c) {
case 'b':
blocksize = parse_num_blocks2(optarg, -1);
case 'E':
extended_opts = optarg;
break;
+ case 'e':
+ if (strcmp(optarg, "continue") == 0)
+ errors_behavior = EXT2_ERRORS_CONTINUE;
+ else if (strcmp(optarg, "remount-ro") == 0)
+ errors_behavior = EXT2_ERRORS_RO;
+ else if (strcmp(optarg, "panic") == 0)
+ errors_behavior = EXT2_ERRORS_PANIC;
+ else {
+ com_err(program_name, 0,
+ _("bad error behavior - %s"),
+ optarg);
+ usage();
+ }
+ break;
case 'F':
force++;
break;
case 'U':
fs_uuid = optarg;
break;
+ case 'd':
+ root_dir = optarg;
+ break;
case 'v':
verbose = 1;
break;
/* Print version number and exit */
show_version_only++;
break;
+ case 'z':
+ undo_file = optarg;
+ break;
default:
usage();
}
tmp = get_string_from_profile(fs_types, "default_features",
"");
}
+ /* Mask off features which aren't supported by the Hurd */
+ if (for_hurd(creator_os)) {
+ fs_param.s_feature_incompat &= ~EXT2_FEATURE_INCOMPAT_FILETYPE;
+ fs_param.s_feature_ro_compat &=
+ ~(EXT4_FEATURE_RO_COMPAT_HUGE_FILE |
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
+ }
edit_feature(fs_features ? fs_features : tmp,
&fs_param.s_feature_compat);
if (tmp)
free(tmp);
+ /*
+ * If the user specified features incompatible with the Hurd, complain
+ */
+ if (for_hurd(creator_os)) {
+ if (fs_param.s_feature_incompat &
+ EXT2_FEATURE_INCOMPAT_FILETYPE) {
+ fprintf(stderr, "%s", _("The HURD does not support the "
+ "filetype feature.\n"));
+ exit(1);
+ }
+ if (fs_param.s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE) {
+ fprintf(stderr, "%s", _("The HURD does not support the "
+ "huge_file feature.\n"));
+ exit(1);
+ }
+ if (fs_param.s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) {
+ fprintf(stderr, "%s", _("The HURD does not support the "
+ "metadata_csum feature.\n"));
+ exit(1);
+ }
+ }
/* Get the hardware sector sizes, if available */
retval = ext2fs_get_device_sectsize(device_name, &lsector_size);
reserved_ratio = 0;
fs_param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV;
fs_param.s_feature_compat = 0;
- fs_param.s_feature_ro_compat = 0;
+ fs_param.s_feature_ro_compat &=
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
}
/* Check the user's mkfs options for 64bit */
blocksize, sys_page_size);
}
+ /* Metadata checksumming wasn't totally stable before 3.18. */
+ if (is_before_linux_ver(3, 18, 0) &&
+ (fs_param.s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+ fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
+ "improved stability of the metadata and journal "
+ "checksum features.\n"));
+
/*
* On newer kernels we do have lazy_itable_init support. So pick the
* right default in case ext4 module is not loaded.
if (extended_opts)
parse_extended_opts(&fs_param, extended_opts);
+ /* Don't allow user to set both metadata_csum and uninit_bg bits. */
+ if ((fs_param.s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
+ (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM))
+ fs_param.s_feature_ro_compat &=
+ ~EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
+
/* Can't support bigalloc feature without extents feature */
if ((fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) &&
!(fs_param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS)) {
"See https://ext4.wiki.kernel.org/"
"index.php/Bigalloc for more information\n\n"));
- /* Since sparse_super is the default, we would only have a problem
+ /*
+ * Since sparse_super is the default, we would only have a problem
* here if it was explicitly disabled.
*/
if ((fs_param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) &&
fs_param.s_inode_size = inode_size;
}
+ /*
+ * If inode size is 128 and inline data is enabled, we need
+ * to notify users that inline data will never be useful.
+ */
+ if ((fs_param.s_feature_incompat &
+ EXT4_FEATURE_INCOMPAT_INLINE_DATA) &&
+ fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
+ com_err(program_name, 0,
+ _("%d byte inodes are too small for inline data; "
+ "specify larger size"),
+ fs_param.s_inode_size);
+ exit(1);
+ }
+
/* Make sure number of inodes specified will fit in 32 bits */
if (num_inodes == 0) {
unsigned long long n;
int csum_flag, force_undo;
csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(&fs_param,
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
force_undo = get_int_from_profile(fs_types, "force_undo", 0);
if (!force_undo && (!csum_flag || !lazy_itable_init))
return 0;
char *dev_name, *tmp_name;
int free_tdb_dir = 0;
+ /* (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
if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
retval = errno;
+ com_err(program_name, retval,
+ _("while trying to delete %s"), tdb_file);
goto errout;
}
- set_undo_io_backing_manager(*io_ptr);
+ 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)
if (free_tdb_dir)
free(tdb_dir);
free(tdb_file);
+err:
com_err(program_name, retval, "%s",
_("while trying to setup undo file\n"));
return retval;
return 0;
}
+static errcode_t set_error_behavior(ext2_filsys fs)
+{
+ char *arg = NULL;
+ short errors = fs->super->s_errors;
+
+ arg = get_string_from_profile(fs_types, "errors", NULL);
+ if (arg == NULL)
+ goto try_user;
+
+ if (strcmp(arg, "continue") == 0)
+ errors = EXT2_ERRORS_CONTINUE;
+ else if (strcmp(arg, "remount-ro") == 0)
+ errors = EXT2_ERRORS_RO;
+ else if (strcmp(arg, "panic") == 0)
+ errors = EXT2_ERRORS_PANIC;
+ else {
+ com_err(program_name, 0,
+ _("bad error behavior in profile - %s"),
+ arg);
+ free(arg);
+ return EXT2_ET_INVALID_ARGUMENT;
+ }
+ free(arg);
+
+try_user:
+ if (errors_behavior)
+ errors = errors_behavior;
+
+ fs->super->s_errors = errors;
+ return 0;
+}
+
int main (int argc, char *argv[])
{
errcode_t retval = 0;
#endif
io_ptr = unix_io_manager;
- if (should_do_undo(device_name)) {
+ if (undo_file != NULL || should_do_undo(device_name)) {
retval = mke2fs_setup_tdb(device_name, &io_ptr);
if (retval)
exit(1);
_("while setting up superblock"));
exit(1);
}
+ fs->progress_ops = &ext2fs_numeric_progress_ops;
+
+ /* Set the error behavior */
+ retval = set_error_behavior(fs);
+ if (retval)
+ usage();
+
+ /* Check the user's mkfs options for metadata checksumming */
+ if (!quiet &&
+ !EXT2_HAS_INCOMPAT_FEATURE(fs->super,
+ EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) &&
+ EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+ if (!EXT2_HAS_INCOMPAT_FEATURE(fs->super,
+ EXT3_FEATURE_INCOMPAT_EXTENTS))
+ 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. "
+ "Pass -O extents to rectify.\n"));
+ if (!EXT2_HAS_INCOMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_INCOMPAT_64BIT))
+ printf("%s",
+ _("64-bit filesystem support is not enabled. "
+ "The larger fields afforded by this feature "
+ "enable full-strength checksumming. "
+ "Pass -O 64bit to rectify.\n"));
+ }
/* Calculate journal blocks */
if (!journal_device && ((journal_size) ||
(fs_param.s_feature_ro_compat &
(EXT4_FEATURE_RO_COMPAT_HUGE_FILE|EXT4_FEATURE_RO_COMPAT_GDT_CSUM|
EXT4_FEATURE_RO_COMPAT_DIR_NLINK|
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|
EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE)))
fs->super->s_kbytes_written = 1;
}
} else
uuid_generate(fs->super->s_uuid);
+ ext2fs_init_csum_seed(fs);
/*
* Initialize the directory index variables
sizeof(fs->super->s_last_mounted));
}
+ /* Set current default encryption algorithms for data and
+ * filename encryption */
+ if (fs->super->s_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 (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+ fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
+
if (!quiet || noaction)
show_stats(fs);
if (fs->super->s_feature_incompat &
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
create_journal_dev(fs);
+ printf("\n");
exit(ext2fs_close_free(&fs) ? 1 : 0);
}
* inodes as unused; we want e2fsck to consider all
* inodes as potentially containing recoverable data.
*/
- if (fs->super->s_feature_ro_compat &
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
+ if (ext2fs_has_group_desc_csum(fs)) {
for (i = 0; i < fs->group_desc_count; i++)
ext2fs_bg_itable_unused_set(fs, i, 0);
}
retval = mk_hugefiles(fs, device_name);
if (retval)
com_err(program_name, retval, "while creating huge files");
+ /* Copy files from the specified directory */
+ if (root_dir) {
+ if (!quiet)
+ printf("%s", _("Copying files into the device: "));
+
+ retval = populate_fs(fs, EXT2_ROOT_INO, root_dir,
+ EXT2_ROOT_INO);
+ if (retval) {
+ com_err(program_name, retval, "%s",
+ _("while populating file system"));
+ exit(1);
+ } else if (!quiet)
+ printf("%s", _("done\n"));
+ }
if (!quiet)
printf("%s", _("Writing superblocks and "
projects / thirdparty / e2fsprogs.git / blobdiff