bool LibPartedPartitionTable::deletePartition(Report& report, const Partition& partition)
{
Q_ASSERT(partition.devicePath() == QString::fromUtf8(pedDevice()->path));
bool rval = false;
PedPartition* pedPartition = partition.roles().has(PartitionRole::Extended)
? ped_disk_extended_partition(pedDisk())
: ped_disk_get_partition_by_sector(pedDisk(), partition.firstSector());
if (pedPartition) {
rval = ped_disk_delete_partition(pedDisk(), pedPartition);
if (!rval)
report.line() << xi18nc("@info:progress", "Could not delete partition <filename>%1</filename>.", partition.deviceNode());
} else
report.line() << xi18nc("@info:progress", "Deleting partition failed: Partition to delete (<filename>%1</filename>) not found on disk.", partition.deviceNode());
return rval;
}
bool MParted::MParted_Core::removePartition(MParted::Partition & partition) {
if (!openDeviceAndDisk(partition.devicePath))
return false;
PedPartition *pedPartition = NULL;
if (partition.type == MParted::TYPE_EXTENDED)
pedPartition = ped_disk_extended_partition(pedDisk);
else
pedPartition = ped_disk_get_partition_by_sector(pedDisk, partition.getSector());
bool success = false;
if (pedPartition != NULL)
success = ped_disk_delete_partition(pedDisk, pedPartition) && commit();
closeDeviceAndDisk();
return success;
}
gboolean
part_del_partition (char *device_file, guint64 offset)
{
gboolean ret;
PedDevice *device;
PedDisk *disk;
PedPartition *part;
PartitionTable *p;
gboolean is_extended;
int n;
HAL_INFO (("In part_del_partition: device_file=%s, offset=%lld", device_file, offset));
ret = FALSE;
/* sigh.. one would think that if you passed the sector of where the
* the beginning of the extended partition starts, then _by_sector
* would return the same as _extended_partition.
*
* Sadly it's not so..
*
* So, check if the passed offset actually corresponds to a nested
* partition table...
*/
is_extended = FALSE;
p = part_table_load_from_disk (device_file);
if (p == NULL) {
HAL_INFO (("Cannot load partition table from %s", device_file));
goto out;
}
for (n = 0; n < part_table_get_num_entries (p); n++) {
PartitionTable *nested;
nested = part_table_entry_get_nested (p, n);
if (nested != NULL) {
if (part_table_get_offset (nested) == offset) {
HAL_INFO (("partition to delete is an extended partition"));
is_extended = TRUE;
}
}
}
part_table_free (p);
device = ped_device_get (device_file);
if (device == NULL) {
HAL_INFO (("ped_device_get() failed"));
goto out;
}
HAL_INFO (("got it"));
disk = ped_disk_new (device);
if (disk == NULL) {
HAL_INFO (("ped_disk_new() failed"));
goto out_ped_device;
}
HAL_INFO (("got disk"));
if (is_extended) {
part = ped_disk_extended_partition (disk);
} else {
part = ped_disk_get_partition_by_sector (disk, offset / 512);
}
if (part == NULL) {
HAL_INFO (("ped_disk_get_partition_by_sector() failed"));
goto out_ped_disk;
}
HAL_INFO (("got partition - part->type=%d", part->type));
/* allow only to delete primary, logical and extended partitions */
if (! ((part->type == PED_PARTITION_NORMAL) ||
(part->type == PED_PARTITION_LOGICAL) ||
(part->type == PED_PARTITION_EXTENDED))) {
HAL_INFO (("no data partition at given offset %lld for device %s", offset, device_file));
goto out_ped_disk;
}
if (ped_disk_delete_partition (disk, part) == 0) {
HAL_INFO (("ped_disk_delete_partition() failed"));
goto out_ped_disk;
}
/* use commit_to_dev rather than just commit to avoid
* libparted sending BLKRRPART to the kernel - we want to do
* this ourselves...
*/
if (ped_disk_commit_to_dev (disk) == 0) {
HAL_INFO (("ped_disk_commit_to_dev() failed"));
goto out_ped_disk;
}
HAL_INFO (("committed to disk"));
ret = TRUE;
ped_disk_destroy (disk);
ped_device_destroy (device);
goto out;
out_ped_disk:
ped_disk_destroy (disk);
out_ped_device:
ped_device_destroy (device);
out:
return ret;
}
