int
do_part_disk (const char *device, const char *parttype)
{
parttype = check_parttype (parttype);
if (!parttype) {
reply_with_error ("unknown partition type: common choices are \"gpt\" and \"msdos\"");
return -1;
}
/* Align all partitions created this way to 128 sectors, and leave
* the last 128 sectors at the end of the disk free. This wastes
* 64K+64K = 128K on 512-byte sector disks. The rationale is:
*
* - aligned operations are faster
* - absolute minimum recommended alignment is 64K (1M would be better)
* - GPT requires at least 34 sectors at the end of the disk.
*/
const char *startstr = "128s";
const char *endstr = "-128s";
RUN_PARTED (return -1,
device,
"mklabel", parttype,
/* See comment about about the parted mkpart command. */
"mkpart", STREQ (parttype, "gpt") ? "p1" : "primary",
startstr, endstr, NULL);
udev_settle ();
return 0;
}
int
do_part_init (const char *device, const char *parttype)
{
int r;
CLEANUP_FREE char *err = NULL;
parttype = check_parttype (parttype);
if (!parttype) {
reply_with_error ("unknown partition type: common choices are \"gpt\" and \"msdos\"");
return -1;
}
udev_settle ();
r = commandf (NULL, &err, COMMAND_FLAG_FOLD_STDOUT_ON_STDERR,
"parted", "-s", "--", device, "mklabel", parttype, NULL);
if (r == -1) {
reply_with_error ("parted: %s: %s", device, err);
return -1;
}
udev_settle ();
return 0;
}
int
do_part_init (const char *device, const char *parttype)
{
parttype = check_parttype (parttype);
if (!parttype) {
reply_with_error ("unknown partition type: common choices are \"gpt\" and \"msdos\"");
return -1;
}
RUN_PARTED (return -1, device, "mklabel", parttype, NULL);
udev_settle ();
return 0;
}
int
do_part_disk (const char *device, const char *parttype)
{
int r;
char *err;
parttype = check_parttype (parttype);
if (!parttype) {
reply_with_error ("unknown partition type: common choices are \"gpt\" and \"msdos\"");
return -1;
}
/* Align all partitions created this way to 128 sectors, and leave
* the last 128 sectors at the end of the disk free. This wastes
* 64K+64K = 128K on 512-byte sector disks. The rationale is:
*
* - aligned operations are faster
* - absolute minimum recommended alignment is 64K (1M would be better)
* - GPT requires at least 34 sectors* at the end of the disk.
*
* *=except for 4k sector disks, where only 6 sectors are required
*/
const char *startstr = "128s";
const char *endstr = "-128s";
udev_settle ();
r = commandf (NULL, &err, COMMAND_FLAG_FOLD_STDOUT_ON_STDERR,
"parted", "-s", "--",
device,
"mklabel", parttype,
/* See comment about about the parted mkpart command. */
"mkpart", STREQ (parttype, "gpt") ? "p1" : "primary",
startstr, endstr, NULL);
if (r == -1) {
reply_with_error ("parted: %s: %s", device, err);
free (err);
return -1;
}
free (err);
udev_settle ();
return 0;
}
