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Implemented _kern_get_partitionable_spaces(). Got rid of user_partitionable_space_data. 

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4031 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2003-07-20 17:18:48 +00:00
parent 3ee6c178d5
commit 71a5281923
2 changed files with 31 additions and 11 deletions
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15
headers/private/kernel/disk_device_manager/ddm_userland_interface.h
View File

@ -4,6 +4,7 @@
#define _DISK_DEVICE_MANAGER_USERLAND_INTERFACE_H
#include <DiskDeviceDefs.h>
#include <disk_device_manager.h>
#include <OS.h>
#ifdef __cplusplus
@ -41,12 +42,6 @@ struct user_disk_device_data {
user_partition_data device_partition_data;
};
// userland partitionable space representation
struct user_partitionable_space_data {
off_t offset;
off_t size;
};
// userland partitionable space representation
struct user_disk_system_info {
disk_system_id id;
@ -77,11 +72,6 @@ status_t _kern_get_partition_data(partition_id partitionID, bool shadow,
user_partition_data *buffer,
size_t bufferSize, size_t *neededSize);
// Dangerous?!
status_t _kern_get_partitionable_spaces(partition_id partitionID, bool shadow,
user_partitionable_space_data *buffer,
size_t bufferSize, size_t *neededSize);
// Pass the partition change counter? If GetPartitionInfo() is only
// allowed, when the device is locked, then we wouldn't need it.
partition_id _kern_register_file_device(const char *filename);
status_t _kern_unregister_file_device(partition_id deviceID,
@ -138,6 +128,9 @@ status_t _kern_validate_create_child_partition(partition_id partitionID,
off_t *offset, off_t *size,
const char *type,
const char *parameters);
status_t _kern_get_partitionable_spaces(partition_id partitionID,
partitionable_space_data *buffer,
int32 count, int32 *actualCount);
status_t _kern_get_next_supported_partition_type(partition_id partitionID,
int32 *cookie, char *type);
status_t _kern_get_partition_type_for_content_type(disk_system_id diskSystemID,

27
src/kernel/core/disk_device_manager/ddm_userland_interface.cpp
View File

@ -189,6 +189,33 @@ _kern_get_disk_device_data(partition_id id, bool deviceOnly, bool shadow,
return B_ENTRY_NOT_FOUND;
}
// _kern_get_partitionable_spaces
status_t
_kern_get_partitionable_spaces(partition_id partitionID,
partitionable_space_data *buffer,
int32 count, int32 *actualCount)
{
if (!buffer && count > 0)
return B_BAD_VALUE;
// get the partition
KDiskDeviceManager *manager = KDiskDeviceManager::Default();
KPartition *partition = manager->ReadLockPartition(partitionID);
if (!partition)
return B_ENTRY_NOT_FOUND;
PartitionRegistrar registrar1(partition, true);
PartitionRegistrar registrar2(partition->Device(), true);
DeviceReadLocker locker(partition->Device(), true);
if (!check_shadow_partition(partition))
return B_BAD_VALUE;
// get the disk system
KDiskSystem *diskSystem = partition->DiskSystem();
if (!diskSystem)
return B_ENTRY_NOT_FOUND;
// get the info
return diskSystem->GetPartitionableSpaces(partition, buffer, count,
actualCount);
}
// _kern_register_file_device
partition_id
_kern_register_file_device(const char *filename)