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-rw-r--r--misc/mke2fs.c111
1 files changed, 72 insertions, 39 deletions
diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index bd60d49e..ba5f179a 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -585,8 +585,10 @@ static void zap_sector(ext2_filsys fs, int sect, int nsect)
else {
magic = (unsigned int *) (buf + BSD_LABEL_OFFSET);
if ((*magic == BSD_DISKMAGIC) ||
- (*magic == BSD_MAGICDISK))
+ (*magic == BSD_MAGICDISK)) {
+ free(buf);
return;
+ }
}
}
@@ -1480,7 +1482,7 @@ extern const char *mke2fs_default_profile;
static const char *default_files[] = { "<default>", 0 };
struct device_param {
- unsigned long min_io; /* prefered minimum IO size */
+ unsigned long min_io; /* preferred minimum IO size */
unsigned long opt_io; /* optimal IO size */
unsigned long alignment_offset; /* alignment offset wrt physical block size */
unsigned int dax:1; /* supports dax? */
@@ -1570,7 +1572,6 @@ static void PRS(int argc, char *argv[])
* 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;
@@ -1604,9 +1605,12 @@ static void PRS(int argc, char *argv[])
#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 */
@@ -1922,10 +1926,10 @@ profile_error:
#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;
+ test_io_backing_manager = default_io_manager;
} else
#endif
- io_ptr = unix_io_manager;
+ io_ptr = default_io_manager;
retval = ext2fs_open(journal_device,
EXT2_FLAG_JOURNAL_DEV_OK, 0,
0, io_ptr, &jfs);
@@ -1971,18 +1975,8 @@ profile_error:
profile_get_integer(profile, "options", "proceed_delay", 0, 0,
&proceed_delay);
- /* The isatty() test is so we don't break existing scripts */
- flags = CREATE_FILE;
- if (isatty(0) && isatty(1) && !offset)
- flags |= CHECK_FS_EXIST;
- if (!quiet)
- flags |= VERBOSE_CREATE;
- if (fs_blocks_count == 0)
- flags |= NO_SIZE;
- else
+ if (fs_blocks_count)
explicit_fssize = 1;
- if (!check_plausibility(device_name, flags, &is_device) && !force)
- proceed_question(proceed_delay);
check_mount(device_name, force, _("filesystem"));
@@ -1994,6 +1988,26 @@ profile_error:
retval = ext2fs_get_device_size2(device_name,
EXT2_BLOCK_SIZE(&fs_param),
&dev_size);
+ if (retval == ENOENT) {
+ int fd;
+
+ if (!explicit_fssize) {
+ fprintf(stderr,
+ _("The file %s does not exist and no "
+ "size was specified.\n"), device_name);
+ exit(1);
+ }
+ fd = ext2fs_open_file(device_name,
+ O_CREAT | O_WRONLY, 0666);
+ if (fd < 0) {
+ retval = errno;
+ } else {
+ dev_size = 0;
+ retval = 0;
+ close(fd);
+ printf(_("Creating regular file %s\n"), device_name);
+ }
+ }
if (retval && (retval != EXT2_ET_UNIMPLEMENTED)) {
com_err(program_name, retval, "%s",
_("while trying to determine filesystem size"));
@@ -2036,6 +2050,9 @@ profile_error:
if (!usage_types)
profile_get_string(profile, "devices", device_name,
"usage_types", 0, &usage_types);
+ if (!creator_os)
+ profile_get_string(profile, "defaults", "creator_os", 0,
+ 0, &creator_os);
/*
* We have the file system (or device) size, so we can now
@@ -2329,9 +2346,9 @@ profile_error:
device_name);
} else {
/* setting stripe/stride to blocksize is pointless */
- if (dev_param.min_io > blocksize)
+ if (dev_param.min_io > (unsigned) blocksize)
fs_param.s_raid_stride = dev_param.min_io / blocksize;
- if (dev_param.opt_io > blocksize) {
+ if (dev_param.opt_io > (unsigned) blocksize) {
fs_param.s_raid_stripe_width =
dev_param.opt_io / blocksize;
}
@@ -2514,11 +2531,12 @@ profile_error:
exit(1);
}
- if (!quiet && ext2fs_has_feature_bigalloc(&fs_param))
- fprintf(stderr, "%s", _("\nWarning: the bigalloc feature is "
- "still under development\n"
- "See https://ext4.wiki.kernel.org/"
- "index.php/Bigalloc for more information\n\n"));
+ if (!quiet && ext2fs_has_feature_bigalloc(&fs_param) &&
+ EXT2_CLUSTER_SIZE(&fs_param) > 16 * EXT2_BLOCK_SIZE(&fs_param))
+ fprintf(stderr, "%s", _("\nWarning: bigalloc file systems "
+ "with a cluster size greater than\n"
+ "16 times the block size is considered "
+ "experimental\n"));
/*
* Since sparse_super is the default, we would only have a problem
@@ -2591,6 +2609,17 @@ profile_error:
exit(1);
}
+ /*
+ * Warn the user that filesystems with 128-byte inodes will
+ * not work properly beyond 2038. This can be suppressed via
+ * a boolean in the mke2fs.conf file, and we will disable this
+ * warning for file systems created for the GNU Hurd.
+ */
+ if (inode_size == EXT2_GOOD_OLD_INODE_SIZE &&
+ get_bool_from_profile(fs_types, "warn_y2038_dates", 1))
+ printf(
+_("128-byte inodes cannot handle dates beyond 2038 and are deprecated\n"));
+
/* Make sure number of inodes specified will fit in 32 bits */
if (num_inodes == 0) {
unsigned long long n;
@@ -2648,6 +2677,17 @@ profile_error:
free(fs_type);
free(usage_types);
+
+ /* The isatty() test is so we don't break existing scripts */
+ flags = CREATE_FILE;
+ if (isatty(0) && isatty(1) && !offset)
+ flags |= CHECK_FS_EXIST;
+ if (!quiet)
+ flags |= VERBOSE_CREATE;
+ if (!explicit_fssize)
+ flags |= NO_SIZE;
+ if (!check_plausibility(device_name, flags, &is_device) && !force)
+ proceed_question(proceed_delay);
}
static int should_do_undo(const char *name)
@@ -2656,7 +2696,7 @@ static int should_do_undo(const char *name)
io_channel channel;
__u16 s_magic;
struct ext2_super_block super;
- io_manager manager = unix_io_manager;
+ io_manager manager = default_io_manager;
int csum_flag, force_undo;
csum_flag = ext2fs_has_feature_metadata_csum(&fs_param) ||
@@ -2792,7 +2832,7 @@ static int mke2fs_discard_device(ext2_filsys fs)
struct ext2fs_numeric_progress_struct progress;
blk64_t blocks = ext2fs_blocks_count(fs->super);
blk64_t count = DISCARD_STEP_MB;
- blk64_t cur;
+ blk64_t cur = 0;
int retval = 0;
/*
@@ -2800,10 +2840,9 @@ static int mke2fs_discard_device(ext2_filsys fs)
* we do not print numeric progress resulting in failure
* afterwards.
*/
- retval = io_channel_discard(fs->io, 0, fs->blocksize);
+ retval = io_channel_discard(fs->io, 0, 1);
if (retval)
return retval;
- cur = fs->blocksize;
count *= (1024 * 1024);
count /= fs->blocksize;
@@ -2931,12 +2970,6 @@ try_user:
return 0;
}
-// TODO(b/141583541): stop leaks
-const char *__asan_default_options()
-{
- return "detect_leaks=0";
-}
-
int main (int argc, char *argv[])
{
errcode_t retval = 0;
@@ -2968,10 +3001,10 @@ int main (int argc, char *argv[])
#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;
+ test_io_backing_manager = default_io_manager;
} else
#endif
- io_ptr = unix_io_manager;
+ io_ptr = default_io_manager;
if (undo_file != NULL || should_do_undo(device_name)) {
retval = mke2fs_setup_tdb(device_name, &io_ptr);
@@ -3364,7 +3397,7 @@ int main (int argc, char *argv[])
retval = ext2fs_open(journal_device, EXT2_FLAG_RW|
EXT2_FLAG_JOURNAL_DEV_OK, 0,
- fs->blocksize, unix_io_manager, &jfs);
+ fs->blocksize, default_io_manager, &jfs);
if (retval) {
com_err(program_name, retval,
_("while trying to open journal device %s\n"),
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-26 01:35:30 +0000