#include <strings.h>
#include <ctype.h>
#include <time.h>
-#ifdef __linux__
-#include <sys/utsname.h>
-#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
-#endif
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#else
static int noaction;
static int num_backups = 2; /* number of backup bg's for sparse_super2 */
static uid_t root_uid;
+static mode_t root_perms = (mode_t)-1;
static gid_t root_gid;
int journal_size;
int journal_flags;
int journal_fc_size;
+static e2_blkcnt_t orphan_file_blocks;
static int lazy_itable_init;
+static int assume_storage_prezeroed;
static int packed_meta_blocks;
int no_copy_xattrs;
static char *bad_blocks_filename = NULL;
char *journal_device;
static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */
char **fs_types;
-const char *src_root_dir; /* Copy files from the specified directory */
+const char *src_root; /* Copy files from the specified directory or tarball */
static char *undo_file;
static int android_sparse_file; /* -E android_sparse */
"[-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] "
- "[-d root-directory]\n"
+ "[-d root-directory|tarball]\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[,...]] "
return l;
}
-#ifdef __linux__
-static int parse_version_number(const char *s)
-{
- int major, minor, rev;
- char *endptr;
- const char *cp = s;
-
- if (!s)
- return 0;
- major = strtol(cp, &endptr, 10);
- if (cp == endptr || *endptr != '.')
- return 0;
- cp = endptr + 1;
- minor = strtol(cp, &endptr, 10);
- if (cp == endptr || *endptr != '.')
- return 0;
- cp = endptr + 1;
- rev = strtol(cp, &endptr, 10);
- if (cp == endptr)
- return 0;
- return KERNEL_VERSION(major, minor, rev);
-}
-
-static int is_before_linux_ver(unsigned int major, unsigned int minor,
- unsigned int rev)
-{
- struct utsname ut;
- static int linux_version_code = -1;
-
- if (uname(&ut)) {
- perror("uname");
- exit(1);
- }
- if (linux_version_code < 0)
- linux_version_code = parse_version_number(ut.release);
- if (linux_version_code == 0)
- return 0;
-
- return linux_version_code < (int) KERNEL_VERSION(major, minor, rev);
-}
-#else
-static int is_before_linux_ver(unsigned int major, unsigned int minor,
- unsigned int rev)
-{
- return 0;
-}
-#endif
-
/*
* Helper function for read_bb_file and test_disk
*/
static void write_inode_tables(ext2_filsys fs, int lazy_flag, int itable_zeroed)
{
errcode_t retval;
- blk64_t blk;
+ blk64_t start = 0;
dgrp_t i;
- int num;
+ int len = 0;
struct ext2fs_numeric_progress_struct progress;
ext2fs_numeric_progress_init(fs, &progress,
fs->group_desc_count);
for (i = 0; i < fs->group_desc_count; i++) {
- ext2fs_numeric_progress_update(fs, &progress, i);
+ blk64_t blk = ext2fs_inode_table_loc(fs, i);
+ int num = fs->inode_blocks_per_group;
- blk = ext2fs_inode_table_loc(fs, i);
- num = fs->inode_blocks_per_group;
+ ext2fs_numeric_progress_update(fs, &progress, i);
if (lazy_flag)
num = ext2fs_div_ceil((fs->super->s_inodes_per_group -
ext2fs_group_desc_csum_set(fs, i);
}
if (!itable_zeroed) {
- retval = ext2fs_zero_blocks2(fs, blk, num, &blk, &num);
+ if (len == 0) {
+ start = blk;
+ len = num;
+ continue;
+ }
+ /* 'len' must not overflow 2^31 blocks for ext2fs_zero_blocks2() */
+ if (start + len == blk && len + num >= len) {
+ len += num;
+ continue;
+ }
+ retval = ext2fs_zero_blocks2(fs, start, len, &start, &len);
if (retval) {
fprintf(stderr, _("\nCould not write %d "
"blocks in inode table starting at %llu: %s\n"),
- num, (unsigned long long) blk,
+ len, (unsigned long long) start,
error_message(retval));
exit(1);
}
+ start = blk;
+ len = num;
}
if (sync_kludge) {
if (sync_kludge == 1)
io_channel_flush(fs->io);
}
}
+ if (len) {
+ retval = ext2fs_zero_blocks2(fs, start, len, &start, &len);
+ if (retval) {
+ fprintf(stderr, _("\nCould not write %d "
+ "blocks in inode table starting at %llu: %s\n"),
+ len, (unsigned long long) start,
+ error_message(retval));
+ exit(1);
+ }
+ if (sync_kludge)
+ io_channel_flush(fs->io);
+ }
ext2fs_numeric_progress_close(fs, &progress,
_("done \n"));
{
errcode_t retval;
struct ext2_inode inode;
+ int need_inode_change;
retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
if (retval) {
_("while creating root dir"));
exit(1);
}
- if (root_uid != 0 || root_gid != 0) {
+
+ need_inode_change = (int)(root_uid != 0 || root_gid != 0 || root_perms != (mode_t)-1);
+
+ if (need_inode_change) {
retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
if (retval) {
com_err("ext2fs_read_inode", retval, "%s",
_("while reading root inode"));
exit(1);
}
+ }
+ if (root_uid != 0 || root_gid != 0) {
inode.i_uid = root_uid;
ext2fs_set_i_uid_high(inode, root_uid >> 16);
inode.i_gid = root_gid;
ext2fs_set_i_gid_high(inode, root_gid >> 16);
+ }
+
+ if (root_perms != (mode_t)-1) {
+ inode.i_mode = LINUX_S_IFDIR | root_perms;
+ }
+ if (need_inode_change) {
retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
if (retval) {
com_err("ext2fs_write_inode", retval, "%s",
lazy_itable_init = strtoul(arg, &p, 0);
else
lazy_itable_init = 1;
+ } else if (!strcmp(token, "assume_storage_prezeroed")) {
+ if (arg)
+ assume_storage_prezeroed = strtoul(arg, &p, 0);
+ else
+ assume_storage_prezeroed = 1;
} else if (!strcmp(token, "lazy_journal_init")) {
if (arg)
journal_flags |= strtoul(arg, &p, 0) ?
root_uid = getuid();
root_gid = getgid();
}
+ } else if (!strcmp(token, "root_perms")) {
+ if (arg) {
+ root_perms = strtoul(arg, &p, 8);
+ }
} else if (!strcmp(token, "discard")) {
discard = 1;
} else if (!strcmp(token, "nodiscard")) {
continue;
}
encoding_flags = arg;
+ } else if (!strcmp(token, "orphan_file_size")) {
+ if (!arg) {
+ r_usage++;
+ badopt = token;
+ continue;
+ }
+ orphan_file_blocks = parse_num_blocks2(arg,
+ fs_param.s_log_block_size);
+ if (orphan_file_blocks == 0) {
+ fprintf(stderr,
+ _("Invalid size of orphan file %s\n"),
+ arg);
+ r_usage++;
+ continue;
+ }
} else {
r_usage++;
badopt = token;
"\tlazy_itable_init=<0 to disable, 1 to enable>\n"
"\tlazy_journal_init=<0 to disable, 1 to enable>\n"
"\troot_owner=<uid of root dir>:<gid of root dir>\n"
+ "\troot_perms=<octal root directory permissions>\n"
"\ttest_fs\n"
"\tdiscard\n"
"\tnodiscard\n"
"\tencoding=<encoding>\n"
"\tencoding_flags=<flags>\n"
- "\tquotatype=<quota type(s) to be enabled>\n\n"),
+ "\tquotatype=<quota type(s) to be enabled>\n"
+ "\tassume_storage_prezeroed=<0 to disable, 1 to enable>\n\n"),
badopt ? badopt : "");
free(buf);
exit(1);
EXT2_FEATURE_COMPAT_EXT_ATTR |
EXT4_FEATURE_COMPAT_SPARSE_SUPER2 |
EXT4_FEATURE_COMPAT_FAST_COMMIT |
- EXT4_FEATURE_COMPAT_STABLE_INODES,
+ EXT4_FEATURE_COMPAT_STABLE_INODES |
+ EXT4_FEATURE_COMPAT_ORPHAN_FILE,
/* 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_DIRDATA|
EXT4_FEATURE_INCOMPAT_64BIT|
EXT4_FEATURE_INCOMPAT_INLINE_DATA|
EXT4_FEATURE_INCOMPAT_ENCRYPT |
unsigned int dax:1; /* supports dax? */
};
+#define OPTIMIZED_STRIPE_WIDTH 512
+#define OPTIMIZED_STRIDE 512
+
#ifdef HAVE_BLKID_PROBE_GET_TOPOLOGY
/*
* Sets the geometry of a device (stripe/stride), and returns the
goto out;
dev_param->min_io = blkid_topology_get_minimum_io_size(tp);
+ if (dev_param->min_io > OPTIMIZED_STRIDE) {
+ fprintf(stdout,
+ "detected raid stride %lu too large, use optimum %u\n",
+ dev_param->min_io, OPTIMIZED_STRIDE);
+ dev_param->min_io = OPTIMIZED_STRIDE;
+ }
dev_param->opt_io = blkid_topology_get_optimal_io_size(tp);
+ if (dev_param->opt_io > OPTIMIZED_STRIPE_WIDTH) {
+ fprintf(stdout,
+ "detected raid stripe width %lu too large, use optimum %u\n",
+ dev_param->opt_io, OPTIMIZED_STRIPE_WIDTH);
+ dev_param->opt_io = OPTIMIZED_STRIPE_WIDTH;
+ }
if ((dev_param->min_io == 0) && (psector_size > blocksize))
dev_param->min_io = psector_size;
if ((dev_param->opt_io == 0) && dev_param->min_io > 0)
int lsector_size = 0, psector_size = 0;
int show_version_only = 0, is_device = 0;
unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
+ int default_orphan_file = 0;
+ int default_csum_seed = 0;
errcode_t retval;
char * oldpath = getenv("PATH");
char * extended_opts = 0;
* Finally, we complain about fs_blocks_count > 2^32 on a non-64bit fs.
*/
blk64_t fs_blocks_count = 0;
- long sysval;
int s_opt = -1, r_opt = -1;
char *fs_features = 0;
int fs_features_size = 0;
#define _SC_PAGESIZE _SC_PAGE_SIZE
#endif
#ifdef _SC_PAGESIZE
- sysval = sysconf(_SC_PAGESIZE);
- if (sysval > 0)
- sys_page_size = sysval;
+ {
+ long sysval = sysconf(_SC_PAGESIZE);
+
+ if (sysval > 0)
+ sys_page_size = sysval;
+ }
#endif /* _SC_PAGESIZE */
#endif /* HAVE_SYSCONF */
memset(&fs_param, 0, sizeof(struct ext2_super_block));
fs_param.s_rev_level = 1; /* Create revision 1 filesystems now */
- if (is_before_linux_ver(2, 2, 0))
+ if (ext2fs_is_before_linux_ver(2, 2, 0))
fs_param.s_rev_level = 0;
if (argc && *argv) {
}
break;
case 'd':
- src_root_dir = optarg;
+ src_root = optarg;
break;
case 'D':
direct_io = 1;
* be appropriately configured.
*/
fs_types = parse_fs_type(fs_type, usage_types, &fs_param,
- fs_blocks_count ? fs_blocks_count : dev_size,
- argv[0]);
+ fs_blocks_count, argv[0]);
if (!fs_types) {
fprintf(stderr, "%s", _("Failed to parse fs types list\n"));
exit(1);
ext2fs_clear_feature_ea_inode(&fs_param);
ext2fs_clear_feature_casefold(&fs_param);
}
- edit_feature(fs_features ? fs_features : tmp,
- &fs_param.s_feature_compat);
+ if (!fs_features && tmp)
+ edit_feature(tmp, &fs_param.s_feature_compat);
+ /*
+ * Now all the defaults are incorporated in fs_param. Check the state
+ * of orphan_file feature so that we know whether we should silently
+ * disabled in case journal gets disabled.
+ */
+ if (ext2fs_has_feature_orphan_file(&fs_param))
+ default_orphan_file = 1;
+ if (ext2fs_has_feature_csum_seed(&fs_param))
+ default_csum_seed = 1;
+ if (fs_features)
+ edit_feature(fs_features, &fs_param.s_feature_compat);
+ /* Silently disable orphan_file if user chose fs without journal */
+ if (default_orphan_file && !ext2fs_has_feature_journal(&fs_param))
+ ext2fs_clear_feature_orphan_file(&fs_param);
+ if (default_csum_seed && !ext2fs_has_feature_metadata_csum(&fs_param))
+ ext2fs_clear_feature_csum_seed(&fs_param);
if (tmp)
free(tmp);
(void) ext2fs_free_mem(&fs_features);
if (use_bsize == -1) {
use_bsize = sys_page_size;
- if (is_before_linux_ver(2, 6, 0) && use_bsize > 4096)
+ if (ext2fs_is_before_linux_ver(2, 6, 0) &&
+ use_bsize > 4096)
use_bsize = 4096;
}
if (lsector_size && use_bsize < lsector_size)
* We now need to do a sanity check of fs_blocks_count for
* 32-bit vs 64-bit block number support.
*/
- if ((fs_blocks_count > MAX_32_NUM) &&
- ext2fs_has_feature_64bit(&fs_param))
- ext2fs_clear_feature_resize_inode(&fs_param);
- if ((fs_blocks_count > MAX_32_NUM) &&
- !ext2fs_has_feature_64bit(&fs_param) &&
- get_bool_from_profile(fs_types, "auto_64-bit_support", 0)) {
- ext2fs_set_feature_64bit(&fs_param);
- ext2fs_clear_feature_resize_inode(&fs_param);
- }
- if ((fs_blocks_count > MAX_32_NUM) &&
- !ext2fs_has_feature_64bit(&fs_param)) {
- fprintf(stderr, _("%s: Size of device (0x%llx blocks) %s "
+ if (fs_blocks_count > MAX_32_NUM) {
+ if (!ext2fs_has_feature_64bit(&fs_param) &&
+ get_bool_from_profile(fs_types, "auto_64-bit_support", 0))
+ ext2fs_set_feature_64bit(&fs_param);
+
+ if (ext2fs_has_feature_64bit(&fs_param)) {
+ ext2fs_clear_feature_resize_inode(&fs_param);
+ } else {
+ fprintf(stderr,
+ _("%s: Size of device (0x%llx blocks) %s "
"too big to be expressed\n\t"
"in 32 bits using a blocksize of %d.\n"),
- program_name, (unsigned long long) fs_blocks_count,
- device_name, EXT2_BLOCK_SIZE(&fs_param));
- exit(1);
+ program_name,
+ (unsigned long long) fs_blocks_count,
+ device_name, EXT2_BLOCK_SIZE(&fs_param));
+ exit(1);
+ }
}
+
/*
* Guard against group descriptor count overflowing... Mostly to avoid
* strange results for absurdly large devices. This is in log2:
fs_param.s_feature_compat = 0;
fs_param.s_feature_ro_compat &=
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM;
- }
+ }
/* Check the user's mkfs options for 64bit */
- if (ext2fs_has_feature_64bit(&fs_param) &&
+ if (fs_blocks_count > MAX_32_NUM &&
!ext2fs_has_feature_extents(&fs_param)) {
- printf("%s", _("Extents MUST be enabled for a 64-bit "
- "filesystem. Pass -O extents to rectify.\n"));
+ printf("%s", _("Extents MUST be enabled for filesystems with "
+ "over 2^32 blocks. Use '-O extents' to fix.\n"));
exit(1);
}
}
/* Metadata checksumming wasn't totally stable before 3.18. */
- if (is_before_linux_ver(3, 18, 0) &&
+ if (ext2fs_is_before_linux_ver(3, 18, 0) &&
ext2fs_has_feature_metadata_csum(&fs_param))
fprintf(stderr, _("Suggestion: Use Linux kernel >= 3.18 for "
"improved stability of the metadata and journal "
* On newer kernels we do have lazy_itable_init support. So pick the
* right default in case ext4 module is not loaded.
*/
- if (is_before_linux_ver(2, 6, 37))
+ if (ext2fs_is_before_linux_ver(2, 6, 37))
lazy_itable_init = 0;
else
lazy_itable_init = 1;
unsigned long long n;
n = ext2fs_blocks_count(&fs_param) * blocksize / inode_ratio;
if (n > MAX_32_NUM) {
- if (ext2fs_has_feature_64bit(&fs_param))
- num_inodes = MAX_32_NUM;
- else {
+ num_inodes = MAX_32_NUM;
+ if (!ext2fs_has_feature_64bit(&fs_param))
com_err(program_name, 0,
- _("too many inodes (%llu), raise "
- "inode ratio?"),
- (unsigned long long) n);
- exit(1);
- }
+ _("too many inodes (%llu), reduced to "
+ "%llu"), n, MAX_32_NUM);
}
} else if (num_inodes > MAX_32_NUM) {
com_err(program_name, 0,
exit(1);
}
+ if (ext2fs_has_feature_dirdata(fs->super)) {
+ if (ext2fs_has_feature_inline_data(fs->super)) {
+ printf("%s", _("The dirdata feature can not enabled "
+ "with inline data feature.\n"));
+ exit(1);
+ }
+ if (ext2fs_has_feature_casefold(fs->super)) {
+ printf("%s", _("The dirdata feature can not enabled "
+ "with casefold feature.\n"));
+ exit(1);
+ }
+ }
+
/* Calculate journal blocks */
if (!journal_device && ((journal_size) ||
ext2fs_has_feature_journal(&fs_param)))
io_channel_set_options(fs->io, opt_string);
}
+ if (assume_storage_prezeroed) {
+ if (verbose)
+ printf("%s",
+ _("Assuming the storage device is prezeroed "
+ "- skipping inode table and journal wipe\n"));
+
+ lazy_itable_init = 1;
+ itable_zeroed = 1;
+ zero_hugefile = 0;
+ journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
+ }
+
/* Can't undo discard ... */
if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
retval = mke2fs_discard_device(fs);
if (!jparams.num_journal_blocks) {
ext2fs_clear_feature_journal(fs->super);
+ ext2fs_clear_feature_orphan_file(fs->super);
+ ext2fs_clear_feature_journal(&fs_param);
+ ext2fs_clear_feature_orphan_file(&fs_param);
goto no_journal;
}
if (!quiet) {
fs->super->s_mmp_update_interval);
}
- overhead += fs->super->s_first_data_block;
+ overhead += EXT2FS_NUM_B2C(fs, fs->super->s_first_data_block);
if (!super_only)
fs->super->s_overhead_clusters = overhead;
fix_cluster_bg_counts(fs);
if (ext2fs_has_feature_quota(&fs_param))
create_quota_inodes(fs);
+ if (ext2fs_has_feature_orphan_file(&fs_param)) {
+ if (!ext2fs_has_feature_journal(&fs_param)) {
+ com_err(program_name, 0, _("cannot set orphan_file "
+ "feature without a journal."));
+ exit(1);
+ }
+ if (!orphan_file_blocks) {
+ orphan_file_blocks =
+ ext2fs_default_orphan_file_blocks(fs);
+ }
+ retval = ext2fs_create_orphan_file(fs, orphan_file_blocks);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while creating orphan file"));
+ exit(1);
+ }
+ }
retval = mk_hugefiles(fs, device_name);
if (retval)
com_err(program_name, retval, "while creating huge files");
- /* Copy files from the specified directory */
- if (src_root_dir) {
+ /* Copy files from the specified directory or tarball */
+ if (src_root) {
if (!quiet)
printf("%s", _("Copying files into the device: "));
- retval = populate_fs(fs, EXT2_ROOT_INO, src_root_dir,
+ retval = populate_fs(fs, EXT2_ROOT_INO, src_root,
EXT2_ROOT_INO);
if (retval) {
com_err(program_name, retval, "%s",
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff