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* Added back and partially reimplemented the

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K{Disk,File,Partitioning}System writing methods. It is now required
  that the caller has marked the concerned partitions busy, hence we can
  (read-)access them without needing a lock. The module interfaces will
  will be changed to take advantage of the fact as well. The methods take a
  disk_job_id instead of a KDiskDeviceJob* now, though I haven't quite
  decided, whether we need it at all or just want to add a special
  handling in the cases where notifications during the operation make
  sense.
* Reimplemented the disk device write support syscalls (save
  _user_move_partition() for which other module hooks are needed). They
  call the KDiskSystem methods, now.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22832 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2007-11-05 00:42:47 +00:00
parent 2128ea4f31
commit 7b45b55be1
7 changed files with 1072 additions and 770 deletions
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headers/private/kernel/disk_device_manager/KPartitioningSystem.h
+45 -43
View File
@@ -10,11 +10,14 @@
#include "KDiskSystem.h"
struct partition_module_info;
namespace BPrivate {
namespace DiskDevice {
/**
* \brief Wrapper for the C interface of a partitioning system add-on.
*
@@ -22,62 +25,61 @@ namespace DiskDevice {
*/
class KPartitioningSystem : public KDiskSystem {
public:
KPartitioningSystem(const char *name);
virtual ~KPartitioningSystem();
KPartitioningSystem(const char* name);
virtual ~KPartitioningSystem();
virtual status_t Init();
virtual status_t Init();
// Scanning
virtual float Identify(KPartition *partition, void **cookie);
virtual status_t Scan(KPartition *partition, void *cookie);
virtual void FreeIdentifyCookie(KPartition *partition, void *cookie);
virtual void FreeCookie(KPartition *partition);
virtual void FreeContentCookie(KPartition *partition);
virtual float Identify(KPartition* partition, void** cookie);
virtual status_t Scan(KPartition* partition, void* cookie);
virtual void FreeIdentifyCookie(KPartition* partition,
void* cookie);
virtual void FreeCookie(KPartition* partition);
virtual void FreeContentCookie(KPartition* partition);
// Writing
#if 0
virtual status_t Repair(KPartition *partition, bool checkOnly,
KDiskDeviceJob *job);
virtual status_t Resize(KPartition *partition, off_t size,
KDiskDeviceJob *job);
virtual status_t ResizeChild(KPartition *child, off_t size,
KDiskDeviceJob *job);
virtual status_t Move(KPartition *partition, off_t offset,
KDiskDeviceJob *job);
virtual status_t MoveChild(KPartition *child, off_t offset,
KDiskDeviceJob *job);
virtual status_t SetName(KPartition *partition, char *name,
KDiskDeviceJob *job);
virtual status_t SetContentName(KPartition *partition, char *name,
KDiskDeviceJob *job);
virtual status_t SetType(KPartition *partition, char *type,
KDiskDeviceJob *job);
virtual status_t SetParameters(KPartition *partition,
const char *parameters,
KDiskDeviceJob *job);
virtual status_t SetContentParameters(KPartition *partition,
const char *parameters,
KDiskDeviceJob *job);
virtual status_t CreateChild(KPartition *partition, off_t offset,
off_t size, const char *type,
const char *parameters, KDiskDeviceJob *job,
KPartition **child = NULL,
partition_id childID = -1);
virtual status_t DeleteChild(KPartition *child, KDiskDeviceJob *job);
virtual status_t Initialize(KPartition *partition, const char *name,
const char *parameters, KDiskDeviceJob *job);
#endif // 0
virtual status_t Repair(KPartition* partition, bool checkOnly,
disk_job_id job);
virtual status_t Resize(KPartition* partition, off_t size,
disk_job_id job);
virtual status_t ResizeChild(KPartition* child, off_t size,
disk_job_id job);
virtual status_t Move(KPartition* partition, off_t offset,
disk_job_id job);
virtual status_t MoveChild(KPartition* child, off_t offset,
disk_job_id job);
virtual status_t SetName(KPartition* partition, const char* name,
disk_job_id job);
virtual status_t SetContentName(KPartition* partition,
const char* name, disk_job_id job);
virtual status_t SetType(KPartition* partition, const char* type,
disk_job_id job);
virtual status_t SetParameters(KPartition* partition,
const char* parameters, disk_job_id job);
virtual status_t SetContentParameters(KPartition* partition,
const char* parameters, disk_job_id job);
virtual status_t Initialize(KPartition* partition,
const char* name, const char* parameters,
disk_job_id job);
virtual status_t CreateChild(KPartition* partition, off_t offset,
off_t size, const char* type,
const char* name, const char* parameters,
disk_job_id job, KPartition** child = NULL,
partition_id childID = -1);
virtual status_t DeleteChild(KPartition* child, disk_job_id job);
protected:
virtual status_t LoadModule();
virtual void UnloadModule();
virtual status_t LoadModule();
virtual void UnloadModule();
private:
partition_module_info *fModule;
partition_module_info* fModule;
};
} // namespace DiskDevice
} // namespace BPrivate