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More work on CoreInode.

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This commit is contained in:
Andreas Kling 2018-11-13 23:44:54 +01:00
parent 26852a8363
commit c735c56e4c
13 changed files with 342 additions and 172 deletions
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33
VirtualFileSystem/VirtualFileSystem.cpp
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@ -55,6 +55,8 @@ auto VirtualFileSystem::makeNode(InodeIdentifier inode) -> RetainPtr<Node>
return nullptr;
auto core_inode = inode.fileSystem()->get_inode(inode);
if (core_inode)
core_inode->m_metadata = metadata;
InterruptDisabler disabler;
@ -450,23 +452,32 @@ InodeIdentifier VirtualFileSystem::resolveSymbolicLink(InodeIdentifier base, Ino
return resolvePath(linkee, error, base);
}
String VirtualFileSystem::absolutePath(InodeIdentifier inode)
RetainPtr<CoreInode> VirtualFileSystem::get_inode(InodeIdentifier inode_id)
{
if (!inode.isValid())
return String();
if (!inode_id.isValid())
return nullptr;
return inode_id.fileSystem()->get_inode(inode_id);
}
String VirtualFileSystem::absolute_path(CoreInode& core_inode)
{
int error;
Vector<InodeIdentifier> lineage;
while (inode != m_rootNode->inode) {
if (auto* mount = findMountForGuest(inode))
RetainPtr<CoreInode> inode = &core_inode;
while (inode->identifier() != m_rootNode->inode) {
if (auto* mount = findMountForGuest(inode->identifier()))
lineage.append(mount->host());
else
lineage.append(inode);
if (inode.metadata().isDirectory()) {
inode = resolvePath("..", error, inode);
} else
inode = inode.fileSystem()->findParentOfInode(inode);
ASSERT(inode.isValid());
lineage.append(inode->identifier());
InodeIdentifier parent_id;
if (inode->is_directory()) {
parent_id = resolvePath("..", error, inode->identifier());
} else {
parent_id = inode->fs().findParentOfInode(inode->identifier());
}
ASSERT(parent_id.isValid());
inode = get_inode(parent_id);
}
if (lineage.isEmpty())
return "/";