static void PRS(int argc, char *argv[])
{
int flush = 0;
int c;
#ifdef MTRACE
extern void *mallwatch;
#endif
errcode_t retval;
setbuf(stdout, NULL);
setbuf(stderr, NULL);
initialize_ext2_error_table();
if (argc && *argv)
program_name = *argv;
while ((c = getopt (argc, argv, "FI")) != EOF)
switch (c) {
case 'F':
flush = 1;
break;
case 'I':
inode_buffer_blocks = atoi(optarg);
break;
default:
usage ();
}
device_name = argv[optind];
if (flush) {
int fd = open(device_name, O_RDONLY, 0);
if (fd < 0) {
com_err("open", errno,
_("while opening %s for flushing"), device_name);
exit(FSCK_ERROR);
}
if ((retval = ext2fs_sync_device(fd, 1))) {
com_err("ext2fs_sync_device", retval,
_("while trying to flush %s"), device_name);
exit(FSCK_ERROR);
}
close(fd);
}
}
int main (int argc, char ** argv)
{
errcode_t retval;
ext2_filsys fs;
int c;
int flags = 0;
int flush = 0;
int force = 0;
int io_flags = 0;
int force_min_size = 0;
int print_min_size = 0;
int fd, ret;
blk64_t new_size = 0;
blk64_t max_size = 0;
blk64_t min_size = 0;
io_manager io_ptr;
char *new_size_str = 0;
int use_stride = -1;
ext2fs_struct_stat st_buf;
__s64 new_file_size;
unsigned int sys_page_size = 4096;
long sysval;
int len, mount_flags;
char *mtpt;
#ifdef ENABLE_NLS
setlocale(LC_MESSAGES, "");
setlocale(LC_CTYPE, "");
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
textdomain(NLS_CAT_NAME);
set_com_err_gettext(gettext);
#endif
add_error_table(&et_ext2_error_table);
fprintf (stderr, "resize2fs %s (%s)\n",
E2FSPROGS_VERSION, E2FSPROGS_DATE);
if (argc && *argv)
program_name = *argv;
while ((c = getopt (argc, argv, "d:fFhMPpS:")) != EOF) {
switch (c) {
case 'h':
usage(program_name);
break;
case 'f':
force = 1;
break;
case 'F':
flush = 1;
break;
case 'M':
force_min_size = 1;
break;
case 'P':
print_min_size = 1;
break;
case 'd':
flags |= atoi(optarg);
break;
case 'p':
flags |= RESIZE_PERCENT_COMPLETE;
break;
case 'S':
use_stride = atoi(optarg);
break;
default:
usage(program_name);
}
}
if (optind == argc)
usage(program_name);
device_name = argv[optind++];
if (optind < argc)
new_size_str = argv[optind++];
if (optind < argc)
usage(program_name);
io_options = strchr(device_name, '?');
if (io_options)
*io_options++ = 0;
/*
* Figure out whether or not the device is mounted, and if it is
* where it is mounted.
*/
len=80;
while (1) {
mtpt = malloc(len);
if (!mtpt)
return ENOMEM;
mtpt[len-1] = 0;
retval = ext2fs_check_mount_point(device_name, &mount_flags,
mtpt, len);
if (retval) {
com_err("ext2fs_check_mount_point", retval,
_("while determining whether %s is mounted."),
device_name);
exit(1);
}
if (!(mount_flags & EXT2_MF_MOUNTED) || (mtpt[len-1] == 0))
break;
free(mtpt);
len = 2 * len;
}
fd = ext2fs_open_file(device_name, O_RDWR, 0);
if (fd < 0) {
com_err("open", errno, _("while opening %s"),
device_name);
exit(1);
}
ret = ext2fs_fstat(fd, &st_buf);
if (ret < 0) {
com_err("open", errno,
_("while getting stat information for %s"),
device_name);
exit(1);
}
if (flush) {
retval = ext2fs_sync_device(fd, 1);
if (retval) {
com_err(argv[0], retval,
_("while trying to flush %s"),
device_name);
exit(1);
}
}
if (!S_ISREG(st_buf.st_mode )) {
close(fd);
fd = -1;
}
#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;
if (!(mount_flags & EXT2_MF_MOUNTED))
io_flags = EXT2_FLAG_RW | EXT2_FLAG_EXCLUSIVE;
io_flags |= EXT2_FLAG_64BITS;
retval = ext2fs_open2(device_name, io_options, io_flags,
0, 0, io_ptr, &fs);
if (retval) {
com_err (program_name, retval, _("while trying to open %s"),
device_name);
printf (_("Couldn't find valid filesystem superblock.\n"));
exit (1);
}
/*
* Check for compatibility with the feature sets. We need to
* be more stringent than ext2fs_open().
*/
if (fs->super->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP) {
com_err(program_name, EXT2_ET_UNSUPP_FEATURE,
"(%s)", device_name);
exit(1);
}
min_size = calculate_minimum_resize_size(fs);
if (print_min_size) {
if (!force && ((fs->super->s_state & EXT2_ERROR_FS) ||
((fs->super->s_state & EXT2_VALID_FS) == 0))) {
fprintf(stderr,
_("Please run 'e2fsck -f %s' first.\n\n"),
device_name);
exit(1);
}
printf(_("Estimated minimum size of the filesystem: %llu\n"),
min_size);
exit(0);
}
/* Determine the system page size if possible */
#ifdef HAVE_SYSCONF
#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
#define _SC_PAGESIZE _SC_PAGE_SIZE
#endif
#ifdef _SC_PAGESIZE
sysval = sysconf(_SC_PAGESIZE);
if (sysval > 0)
sys_page_size = sysval;
#endif /* _SC_PAGESIZE */
#endif /* HAVE_SYSCONF */
/*
* Get the size of the containing partition, and use this for
* defaults and for making sure the new filesystem doesn't
* exceed the partition size.
*/
retval = ext2fs_get_device_size2(device_name, fs->blocksize,
&max_size);
if (retval) {
com_err(program_name, retval,
_("while trying to determine filesystem size"));
exit(1);
}
if (force_min_size)
new_size = min_size;
else if (new_size_str) {
new_size = parse_num_blocks2(new_size_str,
fs->super->s_log_block_size);
if (new_size == 0) {
com_err(program_name, 0,
_("Invalid new size: %s\n"), new_size_str);
exit(1);
}
} else {
new_size = max_size;
/* Round down to an even multiple of a pagesize */
if (sys_page_size > fs->blocksize)
new_size &= ~((sys_page_size / fs->blocksize)-1);
}
if (!EXT2_HAS_INCOMPAT_FEATURE(fs->super,
EXT4_FEATURE_INCOMPAT_64BIT)) {
/* Take 16T down to 2^32-1 blocks */
if (new_size == (1ULL << 32))
new_size--;
else if (new_size > (1ULL << 32)) {
com_err(program_name, 0,
_("New size too large to be "
"expressed in 32 bits\n"));
exit(1);
}
}
if (!force && new_size < min_size) {
com_err(program_name, 0,
_("New size smaller than minimum (%llu)\n"), min_size);
exit(1);
}
if (use_stride >= 0) {
if (use_stride >= (int) fs->super->s_blocks_per_group) {
com_err(program_name, 0,
_("Invalid stride length"));
exit(1);
}
fs->stride = fs->super->s_raid_stride = use_stride;
ext2fs_mark_super_dirty(fs);
} else
determine_fs_stride(fs);
/*
* If we are resizing a plain file, and it's not big enough,
* automatically extend it in a sparse fashion by writing the
* last requested block.
*/
new_file_size = ((__u64) new_size) * fs->blocksize;
if ((__u64) new_file_size >
(((__u64) 1) << (sizeof(st_buf.st_size)*8 - 1)) - 1)
fd = -1;
if ((new_file_size > st_buf.st_size) &&
(fd > 0)) {
if ((ext2fs_llseek(fd, new_file_size-1, SEEK_SET) >= 0) &&
(write(fd, "0", 1) == 1))
max_size = new_size;
}
if (!force && (new_size > max_size)) {
fprintf(stderr, _("The containing partition (or device)"
" is only %llu (%dk) blocks.\nYou requested a new size"
" of %llu blocks.\n\n"), max_size,
fs->blocksize / 1024, new_size);
exit(1);
}
if (new_size == ext2fs_blocks_count(fs->super)) {
fprintf(stderr, _("The filesystem is already %llu blocks "
"long. Nothing to do!\n\n"), new_size);
exit(0);
}
if (mount_flags & EXT2_MF_MOUNTED) {
retval = online_resize_fs(fs, mtpt, &new_size, flags);
} else {
if (!force && ((fs->super->s_lastcheck < fs->super->s_mtime) ||
(fs->super->s_state & EXT2_ERROR_FS) ||
((fs->super->s_state & EXT2_VALID_FS) == 0))) {
fprintf(stderr,
_("Please run 'e2fsck -f %s' first.\n\n"),
device_name);
exit(1);
}
/*
* XXXX The combination of flex_bg and !resize_inode
* causes major problems for resize2fs, since when the
* group descriptors grow in size this can potentially
* require multiple inode tables to be moved aside to
* make room, and resize2fs chokes rather badly in
* this scenario. It's a rare combination, except
* when a filesystem is expanded more than a certain
* size, so for now, we'll just prohibit that
* combination. This is something we should fix
* eventually, though.
*/
if ((fs->super->s_feature_incompat &
EXT4_FEATURE_INCOMPAT_FLEX_BG) &&
!(fs->super->s_feature_compat &
EXT2_FEATURE_COMPAT_RESIZE_INODE)) {
com_err(program_name, 0, _("%s: The combination of "
"flex_bg and\n\t!resize_inode features "
"is not supported by resize2fs.\n"),
device_name);
exit(1);
}
printf(_("Resizing the filesystem on "
"%s to %llu (%dk) blocks.\n"),
device_name, new_size, fs->blocksize / 1024);
retval = resize_fs(fs, &new_size, flags,
((flags & RESIZE_PERCENT_COMPLETE) ?
resize_progress_func : 0));
}
free(mtpt);
if (retval) {
com_err(program_name, retval, _("while trying to resize %s"),
device_name);
fprintf(stderr,
_("Please run 'e2fsck -fy %s' to fix the filesystem\n"
"after the aborted resize operation.\n"),
device_name);
ext2fs_close(fs);
exit(1);
}
printf(_("The filesystem on %s is now %llu blocks long.\n\n"),
device_name, new_size);
if ((st_buf.st_size > new_file_size) &&
(fd > 0)) {
#ifdef HAVE_FTRUNCATE64
retval = ftruncate64(fd, new_file_size);
#else
retval = 0;
/* Only truncate if new_file_size doesn't overflow off_t */
if (((off_t) new_file_size) == new_file_size)
retval = ftruncate(fd, (off_t) new_file_size);
#endif
if (retval)
com_err(program_name, retval,
_("while trying to truncate %s"),
device_name);
}
if (fd > 0)
close(fd);
remove_error_table(&et_ext2_error_table);
return (0);
}
static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
{
int flush = 0;
int c, fd;
#ifdef MTRACE
extern void *mallwatch;
#endif
e2fsck_t ctx;
errcode_t retval;
#ifdef HAVE_SIGNAL_H
struct sigaction sa;
#endif
char *extended_opts = 0;
char *cp;
int res; /* result of sscanf */
#ifdef CONFIG_JBD_DEBUG
char *jbd_debug;
#endif
retval = e2fsck_allocate_context(&ctx);
if (retval)
return retval;
*ret_ctx = ctx;
setvbuf(stdout, NULL, _IONBF, BUFSIZ);
setvbuf(stderr, NULL, _IONBF, BUFSIZ);
if (isatty(0) && isatty(1)) {
ctx->interactive = 1;
} else {
ctx->start_meta[0] = '\001';
ctx->stop_meta[0] = '\002';
}
memset(bar, '=', sizeof(bar)-1);
memset(spaces, ' ', sizeof(spaces)-1);
add_error_table(&et_ext2_error_table);
add_error_table(&et_prof_error_table);
blkid_get_cache(&ctx->blkid, NULL);
if (argc && *argv)
ctx->program_name = *argv;
else
ctx->program_name = "e2fsck";
while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF)
switch (c) {
case 'C':
ctx->progress = e2fsck_update_progress;
res = sscanf(optarg, "%d", &ctx->progress_fd);
if (res != 1)
goto sscanf_err;
if (ctx->progress_fd < 0) {
ctx->progress = 0;
ctx->progress_fd = ctx->progress_fd * -1;
}
if (!ctx->progress_fd)
break;
/* Validate the file descriptor to avoid disasters */
fd = dup(ctx->progress_fd);
if (fd < 0) {
fprintf(stderr,
_("Error validating file descriptor %d: %s\n"),
ctx->progress_fd,
error_message(errno));
fatal_error(ctx,
_("Invalid completion information file descriptor"));
} else
close(fd);
break;
case 'D':
ctx->options |= E2F_OPT_COMPRESS_DIRS;
break;
case 'E':
extended_opts = optarg;
break;
case 'p':
case 'a':
if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) {
conflict_opt:
fatal_error(ctx,
_("Only one of the options -p/-a, -n or -y may be specified."));
}
ctx->options |= E2F_OPT_PREEN;
break;
case 'n':
if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN))
goto conflict_opt;
ctx->options |= E2F_OPT_NO;
break;
case 'y':
if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO))
goto conflict_opt;
ctx->options |= E2F_OPT_YES;
break;
case 't':
#ifdef RESOURCE_TRACK
if (ctx->options & E2F_OPT_TIME)
ctx->options |= E2F_OPT_TIME2;
else
ctx->options |= E2F_OPT_TIME;
#else
fprintf(stderr, _("The -t option is not "
"supported on this version of e2fsck.\n"));
#endif
break;
case 'c':
if (cflag++)
ctx->options |= E2F_OPT_WRITECHECK;
ctx->options |= E2F_OPT_CHECKBLOCKS;
break;
case 'r':
/* What we do by default, anyway! */
break;
case 'b':
res = sscanf(optarg, "%u", &ctx->use_superblock);
if (res != 1)
goto sscanf_err;
ctx->flags |= E2F_FLAG_SB_SPECIFIED;
break;
case 'B':
ctx->blocksize = atoi(optarg);
break;
case 'I':
res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks);
if (res != 1)
goto sscanf_err;
break;
case 'j':
ctx->journal_name = blkid_get_devname(ctx->blkid,
optarg, NULL);
if (!ctx->journal_name) {
com_err(ctx->program_name, 0,
_("Unable to resolve '%s'"),
optarg);
fatal_error(ctx, 0);
}
break;
case 'P':
res = sscanf(optarg, "%d", &ctx->process_inode_size);
if (res != 1)
goto sscanf_err;
break;
case 'L':
replace_bad_blocks++;
case 'l':
bad_blocks_file = string_copy(ctx, optarg, 0);
break;
case 'd':
ctx->options |= E2F_OPT_DEBUG;
break;
case 'f':
ctx->options |= E2F_OPT_FORCE;
break;
case 'F':
flush = 1;
break;
case 'v':
verbose = 1;
break;
case 'V':
show_version_only = 1;
break;
#ifdef MTRACE
case 'M':
mallwatch = (void *) strtol(optarg, NULL, 0);
break;
#endif
case 'N':
ctx->device_name = string_copy(ctx, optarg, 0);
break;
case 'k':
keep_bad_blocks++;
break;
default:
usage(ctx);
}
if (show_version_only)
return 0;
if (optind != argc - 1)
usage(ctx);
if ((ctx->options & E2F_OPT_NO) &&
(ctx->options & E2F_OPT_COMPRESS_DIRS)) {
com_err(ctx->program_name, 0,
_("The -n and -D options are incompatible."));
fatal_error(ctx, 0);
}
if ((ctx->options & E2F_OPT_NO) && cflag) {
com_err(ctx->program_name, 0,
_("The -n and -c options are incompatible."));
fatal_error(ctx, 0);
}
if ((ctx->options & E2F_OPT_NO) && bad_blocks_file) {
com_err(ctx->program_name, 0,
_("The -n and -l/-L options are incompatible."));
fatal_error(ctx, 0);
}
if (ctx->options & E2F_OPT_NO)
ctx->options |= E2F_OPT_READONLY;
ctx->io_options = strchr(argv[optind], '?');
if (ctx->io_options)
*ctx->io_options++ = 0;
ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0);
if (!ctx->filesystem_name) {
com_err(ctx->program_name, 0, _("Unable to resolve '%s'"),
argv[optind]);
fatal_error(ctx, 0);
}
if (extended_opts)
parse_extended_opts(ctx, extended_opts);
if ((cp = getenv("E2FSCK_CONFIG")) != NULL)
config_fn[0] = cp;
profile_set_syntax_err_cb(syntax_err_report);
profile_init(config_fn, &ctx->profile);
if (flush) {
fd = open(ctx->filesystem_name, O_RDONLY, 0);
if (fd < 0) {
com_err("open", errno,
_("while opening %s for flushing"),
ctx->filesystem_name);
fatal_error(ctx, 0);
}
if ((retval = ext2fs_sync_device(fd, 1))) {
com_err("ext2fs_sync_device", retval,
_("while trying to flush %s"),
ctx->filesystem_name);
fatal_error(ctx, 0);
}
close(fd);
}
if (cflag && bad_blocks_file) {
fprintf(stderr, _("The -c and the -l/-L options may "
"not be both used at the same time.\n"));
exit(FSCK_USAGE);
}
#ifdef HAVE_SIGNAL_H
/*
* Set up signal action
*/
memset(&sa, 0, sizeof(struct sigaction));
sa.sa_handler = signal_cancel;
sigaction(SIGINT, &sa, 0);
sigaction(SIGTERM, &sa, 0);
#ifdef SA_RESTART
sa.sa_flags = SA_RESTART;
#endif
e2fsck_global_ctx = ctx;
sa.sa_handler = signal_progress_on;
sigaction(SIGUSR1, &sa, 0);
sa.sa_handler = signal_progress_off;
sigaction(SIGUSR2, &sa, 0);
#endif
/* Update our PATH to include /sbin if we need to run badblocks */
if (cflag) {
char *oldpath = getenv("PATH");
char *newpath;
int len = sizeof(PATH_SET) + 1;
if (oldpath)
len += strlen(oldpath);
newpath = malloc(len);
if (!newpath)
fatal_error(ctx, "Couldn't malloc() newpath");
strcpy(newpath, PATH_SET);
if (oldpath) {
strcat(newpath, ":");
strcat(newpath, oldpath);
}
putenv(newpath);
}
#ifdef CONFIG_JBD_DEBUG
jbd_debug = getenv("E2FSCK_JBD_DEBUG");
if (jbd_debug) {
res = sscanf(jbd_debug, "%d", &journal_enable_debug);
if (res != 1) {
fprintf(stderr,
_("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"),
jbd_debug);
exit (1);
}
}
#endif
return 0;
sscanf_err:
fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"),
c, optarg);
exit (1);
}
int main (int argc, char ** argv)
{
errcode_t retval;
ext2_filsys fs;
int c;
int flags = 0;
int flush = 0;
int force = 0;
int io_flags = 0;
int force_min_size = 0;
int print_min_size = 0;
int fd, ret;
blk64_t new_size = 0;
blk64_t max_size = 0;
blk64_t min_size = 0;
io_manager io_ptr;
char *new_size_str = 0;
int use_stride = -1;
ext2fs_struct_stat st_buf;
__s64 new_file_size;
unsigned int sys_page_size = 4096;
unsigned int blocksize;
long sysval;
int len, mount_flags;
char *mtpt, *undo_file = NULL;
#ifdef ENABLE_NLS
setlocale(LC_MESSAGES, "");
setlocale(LC_CTYPE, "");
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
textdomain(NLS_CAT_NAME);
set_com_err_gettext(gettext);
#endif
add_error_table(&et_ext2_error_table);
fprintf (stderr, "resize2fs %s (%s)\n",
E2FSPROGS_VERSION, E2FSPROGS_DATE);
if (argc && *argv)
program_name = *argv;
while ((c = getopt(argc, argv, "d:fFhMPpS:bsz:")) != EOF) {
switch (c) {
case 'h':
usage(program_name);
break;
case 'f':
force = 1;
break;
case 'F':
flush = 1;
break;
case 'M':
force_min_size = 1;
break;
case 'P':
print_min_size = 1;
break;
case 'd':
flags |= atoi(optarg);
break;
case 'p':
flags |= RESIZE_PERCENT_COMPLETE;
break;
case 'S':
use_stride = atoi(optarg);
break;
case 'b':
flags |= RESIZE_ENABLE_64BIT;
break;
case 's':
flags |= RESIZE_DISABLE_64BIT;
break;
case 'z':
undo_file = optarg;
break;
default:
usage(program_name);
}
}
if (optind == argc)
usage(program_name);
device_name = argv[optind++];
if (optind < argc)
new_size_str = argv[optind++];
if (optind < argc)
usage(program_name);
io_options = strchr(device_name, '?');
if (io_options)
*io_options++ = 0;
/*
* Figure out whether or not the device is mounted, and if it is
* where it is mounted.
*/
len=80;
while (1) {
mtpt = malloc(len);
if (!mtpt)
return ENOMEM;
mtpt[len-1] = 0;
retval = ext2fs_check_mount_point(device_name, &mount_flags,
mtpt, len);
if (retval) {
com_err("ext2fs_check_mount_point", retval,
_("while determining whether %s is mounted."),
device_name);
exit(1);
}
if (!(mount_flags & EXT2_MF_MOUNTED) || (mtpt[len-1] == 0))
break;
free(mtpt);
len = 2 * len;
}
fd = ext2fs_open_file(device_name, O_RDWR, 0);
if (fd < 0) {
com_err("open", errno, _("while opening %s"),
device_name);
exit(1);
}
ret = ext2fs_fstat(fd, &st_buf);
if (ret < 0) {
com_err("open", errno,
_("while getting stat information for %s"),
device_name);
exit(1);
}
if (flush) {
retval = ext2fs_sync_device(fd, 1);
if (retval) {
com_err(argv[0], retval,
_("while trying to flush %s"),
device_name);
exit(1);
}
}
if (!S_ISREG(st_buf.st_mode )) {
close(fd);
fd = -1;
}
#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;
if (!(mount_flags & EXT2_MF_MOUNTED))
io_flags = EXT2_FLAG_RW | EXT2_FLAG_EXCLUSIVE;
io_flags |= EXT2_FLAG_64BITS;
if (undo_file) {
retval = resize2fs_setup_tdb(device_name, undo_file, &io_ptr);
if (retval)
exit(1);
}
retval = ext2fs_open2(device_name, io_options, io_flags,
0, 0, io_ptr, &fs);
if (retval) {
com_err(program_name, retval, _("while trying to open %s"),
device_name);
printf("%s", _("Couldn't find valid filesystem superblock.\n"));
exit (1);
}
fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
/*
* Before acting on an unmounted filesystem, make sure it's ok,
* unless the user is forcing it.
*
* We do ERROR and VALID checks even if we're only printing the
* minimimum size, because traversal of a badly damaged filesystem
* can cause issues as well. We don't require it to be fscked after
* the last mount time in this case, though, as this is a bit less
* risky.
*/
if (!force && !(mount_flags & EXT2_MF_MOUNTED)) {
int checkit = 0;
if (fs->super->s_state & EXT2_ERROR_FS)
checkit = 1;
if ((fs->super->s_state & EXT2_VALID_FS) == 0)
checkit = 1;
if ((fs->super->s_lastcheck < fs->super->s_mtime) &&
!print_min_size)
checkit = 1;
if (checkit) {
fprintf(stderr,
_("Please run 'e2fsck -f %s' first.\n\n"),
device_name);
exit(1);
}
}
/*
* Check for compatibility with the feature sets. We need to
* be more stringent than ext2fs_open().
*/
if (fs->super->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP) {
com_err(program_name, EXT2_ET_UNSUPP_FEATURE,
"(%s)", device_name);
exit(1);
}
min_size = calculate_minimum_resize_size(fs, flags);
if (print_min_size) {
printf(_("Estimated minimum size of the filesystem: %llu\n"),
min_size);
exit(0);
}
/* Determine the system page size if possible */
#ifdef HAVE_SYSCONF
#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
#define _SC_PAGESIZE _SC_PAGE_SIZE
#endif
#ifdef _SC_PAGESIZE
sysval = sysconf(_SC_PAGESIZE);
if (sysval > 0)
sys_page_size = sysval;
#endif /* _SC_PAGESIZE */
#endif /* HAVE_SYSCONF */
/*
* Get the size of the containing partition, and use this for
* defaults and for making sure the new filesystem doesn't
* exceed the partition size.
*/
blocksize = fs->blocksize;
retval = ext2fs_get_device_size2(device_name, blocksize,
&max_size);
if (retval) {
com_err(program_name, retval, "%s",
_("while trying to determine filesystem size"));
exit(1);
}
if (force_min_size)
new_size = min_size;
else if (new_size_str) {
new_size = parse_num_blocks2(new_size_str,
fs->super->s_log_block_size);
if (new_size == 0) {
com_err(program_name, 0,
_("Invalid new size: %s\n"), new_size_str);
exit(1);
}
} else {
new_size = max_size;
/* Round down to an even multiple of a pagesize */
if (sys_page_size > blocksize)
new_size &= ~((sys_page_size / blocksize)-1);
}
/* If changing 64bit, don't change the filesystem size. */
if (flags & (RESIZE_DISABLE_64BIT | RESIZE_ENABLE_64BIT)) {
new_size = ext2fs_blocks_count(fs->super);
}
if (!ext2fs_has_feature_64bit(fs->super)) {
/* Take 16T down to 2^32-1 blocks */
if (new_size == (1ULL << 32))
new_size--;
else if (new_size > (1ULL << 32)) {
com_err(program_name, 0, "%s",
_("New size too large to be "
"expressed in 32 bits\n"));
exit(1);
}
}
if (!force && new_size < min_size) {
com_err(program_name, 0,
_("New size smaller than minimum (%llu)\n"), min_size);
exit(1);
}
if (use_stride >= 0) {
if (use_stride >= (int) fs->super->s_blocks_per_group) {
com_err(program_name, 0, "%s",
_("Invalid stride length"));
exit(1);
}
fs->stride = fs->super->s_raid_stride = use_stride;
ext2fs_mark_super_dirty(fs);
} else
determine_fs_stride(fs);
/*
* If we are resizing a plain file, and it's not big enough,
* automatically extend it in a sparse fashion by writing the
* last requested block.
*/
new_file_size = ((__u64) new_size) * blocksize;
if ((__u64) new_file_size >
(((__u64) 1) << (sizeof(st_buf.st_size)*8 - 1)) - 1)
fd = -1;
if ((new_file_size > st_buf.st_size) &&
(fd > 0)) {
if ((ext2fs_llseek(fd, new_file_size-1, SEEK_SET) >= 0) &&
(write(fd, "0", 1) == 1))
max_size = new_size;
}
if (!force && (new_size > max_size)) {
fprintf(stderr, _("The containing partition (or device)"
" is only %llu (%dk) blocks.\nYou requested a new size"
" of %llu blocks.\n\n"), max_size,
blocksize / 1024, new_size);
exit(1);
}
if ((flags & RESIZE_DISABLE_64BIT) && (flags & RESIZE_ENABLE_64BIT)) {
fprintf(stderr, _("Cannot set and unset 64bit feature.\n"));
exit(1);
} else if (flags & (RESIZE_DISABLE_64BIT | RESIZE_ENABLE_64BIT)) {
if (new_size >= (1ULL << 32)) {
fprintf(stderr, _("Cannot change the 64bit feature "
"on a filesystem that is larger than "
"2^32 blocks.\n"));
exit(1);
}
if (mount_flags & EXT2_MF_MOUNTED) {
fprintf(stderr, _("Cannot change the 64bit feature "
"while the filesystem is mounted.\n"));
exit(1);
}
if (flags & RESIZE_ENABLE_64BIT &&
!ext2fs_has_feature_extents(fs->super)) {
fprintf(stderr, _("Please enable the extents feature "
"with tune2fs before enabling the 64bit "
"feature.\n"));
exit(1);
}
} else if (new_size == ext2fs_blocks_count(fs->super)) {
fprintf(stderr, _("The filesystem is already %llu (%dk) "
"blocks long. Nothing to do!\n\n"), new_size,
blocksize / 1024);
exit(0);
}
if ((flags & RESIZE_ENABLE_64BIT) &&
ext2fs_has_feature_64bit(fs->super)) {
fprintf(stderr, _("The filesystem is already 64-bit.\n"));
exit(0);
}
if ((flags & RESIZE_DISABLE_64BIT) &&
!ext2fs_has_feature_64bit(fs->super)) {
fprintf(stderr, _("The filesystem is already 32-bit.\n"));
exit(0);
}
if (mount_flags & EXT2_MF_MOUNTED) {
bigalloc_check(fs, force);
retval = online_resize_fs(fs, mtpt, &new_size, flags);
} else {
bigalloc_check(fs, force);
if (flags & RESIZE_ENABLE_64BIT)
printf(_("Converting the filesystem to 64-bit.\n"));
else if (flags & RESIZE_DISABLE_64BIT)
printf(_("Converting the filesystem to 32-bit.\n"));
else
printf(_("Resizing the filesystem on "
"%s to %llu (%dk) blocks.\n"),
device_name, new_size, blocksize / 1024);
retval = resize_fs(fs, &new_size, flags,
((flags & RESIZE_PERCENT_COMPLETE) ?
resize_progress_func : 0));
}
free(mtpt);
if (retval) {
com_err(program_name, retval, _("while trying to resize %s"),
device_name);
fprintf(stderr,
_("Please run 'e2fsck -fy %s' to fix the filesystem\n"
"after the aborted resize operation.\n"),
device_name);
ext2fs_close_free(&fs);
exit(1);
}
printf(_("The filesystem on %s is now %llu (%dk) blocks long.\n\n"),
device_name, new_size, blocksize / 1024);
if ((st_buf.st_size > new_file_size) &&
(fd > 0)) {
#ifdef HAVE_FTRUNCATE64
retval = ftruncate64(fd, new_file_size);
#else
retval = 0;
/* Only truncate if new_file_size doesn't overflow off_t */
if (((off_t) new_file_size) == new_file_size)
retval = ftruncate(fd, (off_t) new_file_size);
#endif
if (retval)
com_err(program_name, retval,
_("while trying to truncate %s"),
device_name);
}
if (fd > 0)
close(fd);
remove_error_table(&et_ext2_error_table);
return (0);
}
