kernel/fs/vfs.cpp

168 	KPartition*		partition;
3011 	kprintf(" partition:     %p\n", mount->partition);
3030 	set_debug_variable("_partition", (addr_t)mount->partition);
7368 	// get the partition
7370 	KPartition* partition = NULL;
7380 		// get a corresponding partition from the DDM
7381 		partition = ddm->RegisterPartition(normalizedDevice.Path());
7382 		if (partition == NULL) {
7389 				partition = ddm->RegisterPartition(deviceID);
7395 		if (!partition) {
7404 	PartitionRegistrar partitionRegistrar(partition, true);
7406 	// Write lock the partition's device. For the time being, we keep the lock
7409 	// TODO: Just mark the partition busy while mounting!
7411 	if (partition) {
7412 		diskDevice = ddm->WriteLockDevice(partition->Device()->ID());
7422 	if (partition != NULL) {
7423 		// make sure, that the partition is not busy
7424 		if (partition->IsBusy()) {
7429 		// if no FS name had been supplied, we get it from the partition
7431 			KDiskSystem* diskSystem = partition->DiskSystem();
7446 			// the partition has a reference to it), so this is safe.
7464 	mount->partition = NULL;
7491 		volume->partition = partition != NULL ? partition->ID() : -1;
7626 	// supply the partition (if any) with the mount cookie and mark it mounted
7627 	if (partition) {
7628 		partition->SetMountCookie(mount->volume->private_volume);
7629 		partition->SetVolumeID(mount->id);
7631 		// keep a partition reference as long as the partition is mounted
7633 		mount->partition = partition;
7696 	// if the volume is associated with a partition, lock the device of the
7697 	// partition as long as we are unmounting
7699 	KPartition* partition = mount->partition;
7701 	if (partition != NULL) {
7702 		if (partition->Device() == NULL) {
7706 		diskDevice = ddm->WriteLockDevice(partition->Device()->ID());
7714 	// make sure, that the partition is not busy
7715 	if (partition != NULL) {
7716 		if ((flags & B_UNMOUNT_BUSY_PARTITION) == 0 && partition->IsBusy()) {
7868 	// dereference the partition and mark it unmounted
7869 	if (partition) {
7870 		partition->SetVolumeID(-1);
7871 		partition->SetMountCookie(NULL);
7874 			KDiskDeviceManager::Default()->DeleteFileDevice(partition->ID());
7875 		partition->Unregister();
7959 	if (mount->partition != NULL && mount->partition->Device() != NULL)
7960 		ioctl(mount->partition->Device()->FD(), B_FLUSH_DRIVE_CACHE);