// GetVNode
status_t
Volume::GetVNode(Node *node)
{
Node *dummy = NULL;
status_t error = (fMounted ? GetVNode(node->GetID(), &dummy)
: B_BAD_VALUE );
if (error == B_OK && dummy != node) {
FATAL(("Two Nodes have the same ID: %Ld!\n", node->GetID()));
PutVNode(dummy);
error = B_ERROR;
}
return error;
}
// PrepareToUnmount
void
VirtualVolume::PrepareToUnmount()
{
Volume::PrepareToUnmount();
// remove all child volumes
// init a directory iterator
fLock.Lock();
VirtualDirIterator iterator;
iterator.SetDirectory(fRootNode, true);
// iterate through the directory
const char* name;
Node* node;
while (iterator.GetCurrentEntry(&name, &node)) {
iterator.NextEntry();
Volume* volume = fVolumeManager->GetVolume(node->GetID());
fLock.Unlock();
if (volume) {
RemoveChildVolume(volume);
volume->SetUnmounting(true);
volume->PutVolume();
}
fLock.Lock();
}
// uninit the directory iterator
iterator.SetDirectory(NULL);
// remove the our root node
vnode_id rootNodeID = fRootNode->GetID();
fLock.Unlock();
if (GetVNode(rootNodeID, &node) == B_OK) {
Volume::RemoveVNode(rootNodeID);
PutVNode(rootNodeID);
}
}