static void
sync_volume(const char *path) {
int full_sync = FSCTL_SYNC_FULLSYNC | FSCTL_SYNC_WAIT;
(void)fsctl(path, FSCTL_SYNC_VOLUME, &full_sync, 0);
return;
}
int
sync_volume_np(const char *path, int flags) {
int full_sync = 0;
int terrno;
int rv;
if (flags & SYNC_VOLUME_FULLSYNC)
full_sync |= FSCTL_SYNC_FULLSYNC;
if (flags & SYNC_VOLUME_WAIT)
full_sync |= FSCTL_SYNC_WAIT;
terrno = errno;
rv = (fsctl(path, FSCTL_SYNC_VOLUME, &full_sync, 0) == -1) ? errno : 0;
errno = terrno;
return rv;
}
int main(int argc, char *argv[]) {
if ( argc != 3 ) {
printf("Usage: %s <path to filesystem> <size in bytes>\n", argv[0]);
exit(-1);
};
char *device = "/dev/rdisk0s1";
int fd = open(device, O_RDWR | O_SHLOCK);
if ( fd < 0 ) {
printf("[-] Couldn't open disk %s.\n", device);
exit(-1);
};
uint32_t blocksize = 0;
if ( ioctl(fd, DKIOCGETBLOCKSIZE, &blocksize) != 0 ) {
printf("[-] ioctl DKIOCGETBLOCKSIZE failed.\n");
close(fd);
exit(-1);
};
close(fd);
uint64_t required_size = atoll(argv[2]);
uint64_t mod;
if ( (mod = required_size % blocksize) != 0 ) {
printf("[-] Required size has to be multiple of blocksize (%u).\n", blocksize);
required_size = required_size - mod + (uint64_t) blocksize;
printf("[i] Adjusting size to %llu to match next block.\n", required_size);
}
printf("Resizing %s to %llu bytes.\n", argv[1], required_size);
int err;
if ( ( err = fsctl(argv[1], RESIZE_PARTITION, &required_size, 0)) != 0) {
printf("[-] HFS resize failed. errno=%i\n", err);
};
return 0;
}
T_DECL(fsctl_get_uninitialized,
"Initial fsctl.get should return zeros",
T_META_ASROOT(false))
{
int err;
char *mount_path;
disk_conditioner_info info = {0};
disk_conditioner_info expected_info = {0};
T_SETUPBEGIN;
mount_path = mktempmount();
T_SETUPEND;
info.enabled = true;
info.is_ssd = true;
err = fsctl(mount_path, DISK_CONDITIONER_IOC_GET, &info, 0);
T_WITH_ERRNO;
T_ASSERT_EQ_INT(0, err, "fsctl(DISK_CONDITIONER_IOC_GET)");
err = memcmp(&info, &expected_info, sizeof(info));
T_ASSERT_EQ_INT(0, err, "initial DMC info is zeroed");
}
T_DECL(fsctl_set,
"fsctl.set should succeed and fsctl.get should verify")
{
int err;
char *mount_path;
disk_conditioner_info info = {0};
disk_conditioner_info expected_info = {0};
