kernel/disk_device_manager/KPartitioningSystem.cpp

63 //! Try to identify a given partition
65 KPartitioningSystem::Identify(KPartition *partition, void **cookie)
67 	if (!partition || !cookie || !fModule || !fModule->identify_partition)
70 	if (partition->Open(O_RDONLY, &fd) != B_OK)
72 	if (partition->BlockSize() == 0) {
77 	float result = fModule->identify_partition(fd, partition->PartitionData(),
85 //! Scan the partition
87 KPartitioningSystem::Scan(KPartition *partition, void *cookie)
89 	if (!partition || !fModule || !fModule->scan_partition)
92 	status_t result = partition->Open(O_RDONLY, &fd);
95 	result = fModule->scan_partition(fd, partition->PartitionData(), cookie);
103 KPartitioningSystem::FreeIdentifyCookie(KPartition *partition, void *cookie)
105 	if (!partition || !fModule || !fModule->free_identify_partition_cookie)
107 	fModule->free_identify_partition_cookie(partition->PartitionData(),
114 KPartitioningSystem::FreeCookie(KPartition *partition)
116 	if (!partition || !fModule || !fModule->free_partition_cookie
117 		|| partition->ParentDiskSystem() != this) {
120 	fModule->free_partition_cookie(partition->PartitionData());
121 	partition->SetCookie(NULL);
127 KPartitioningSystem::FreeContentCookie(KPartition *partition)
129 	if (!partition || !fModule || !fModule->free_partition_content_cookie
130 		|| partition->DiskSystem() != this) {
133 	fModule->free_partition_content_cookie(partition->PartitionData());
134 	partition->SetContentCookie(NULL);
139 //! Repairs a partition
141 KPartitioningSystem::Repair(KPartition* partition, bool checkOnly,
150 //! Resizes a partition
152 KPartitioningSystem::Resize(KPartition* partition, off_t size, disk_job_id job)
155 	if (!partition || size < 0 || !fModule)
160 	// open partition device
162 	status_t result = partition->Open(O_RDWR, &fd);
167 	result = fModule->resize(fd, partition->ID(), size, job);
176 //! Resizes child of a partition
186 	// open partition device
202 //! Moves a partition
204 KPartitioningSystem::Move(KPartition* partition, off_t offset, disk_job_id job)
207 	if (!partition)
212 	// open partition device
214 	status_t result = partition->Open(O_RDWR, &fd);
219 	result = fModule->move(fd, partition->ID(), offset, job);
228 //! Moves child of a partition
238 	// open partition device
255 //! Sets name of a partition
266 	// open partition device
283 //! Sets name of the content of a partition
285 KPartitioningSystem::SetContentName(KPartition* partition, const char* name,
289 	if (!partition || !fModule)
294 	// open partition device
296 	status_t result = partition->Open(O_RDWR, &fd);
301 	result = fModule->set_content_name(fd, partition->ID(), name, job);
310 //! Sets type of a partition
321 	// open partition device
338 //! Sets parameters of a partition
349 	// open partition device
366 //! Sets parameters of the content of a partition
368 KPartitioningSystem::SetContentParameters(KPartition* partition,
372 	if (!partition || !fModule)
377 	// open partition device
379 	status_t result = partition->Open(O_RDWR, &fd);
384 	result = fModule->set_content_parameters(fd, partition->ID(), parameters,
394 //! Initializes a partition with this partitioning system
396 KPartitioningSystem::Initialize(KPartition* partition, const char* name,
400 	if (!partition || !fModule)
405 	// open partition device
407 	status_t result = partition->Open(O_RDWR, &fd);
412 	result = fModule->initialize(fd, partition->ID(), name, parameters,
413 		partition->Size(), job);
422 KPartitioningSystem::Uninitialize(KPartition* partition, disk_job_id job)
425 	if (partition == NULL || fModule == NULL)
430 	// open partition device
432 	status_t result = partition->Open(O_RDWR, &fd);
437 	result = fModule->uninitialize(fd, partition->ID(), partition->Size(),
438 		partition->BlockSize(), job);
447 //! Creates a child partition
449 KPartitioningSystem::CreateChild(KPartition* partition, off_t offset,
454 	if (!partition || !type || !parameters || !child || !fModule)
459 	// open partition device
461 	status_t result = partition->Open(O_RDWR, &fd);
466 	result = fModule->create_child(fd, partition->ID(), offset, size,
479 //! Deletes a child partition