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Refactor FS::find_parent_of_inode() into Inode::parent().

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This way, Ext2FSInode can cache its parent inode index. This makes absolute
path lookups dramatically faster.
SynthFSInode is also simplified greatly.
This commit is contained in:
Andreas Kling
2019-01-04 18:37:58 +01:00
parent 7731aef7b2
commit 0d36281162
6 changed files with 28 additions and 21 deletions
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3
VirtualFileSystem/FileSystem.h
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@@ -46,8 +46,6 @@ public:
virtual RetainPtr<Inode> create_inode(InodeIdentifier parentInode, const String& name, Unix::mode_t, unsigned size, int& error) = 0;
virtual RetainPtr<Inode> create_directory(InodeIdentifier parentInode, const String& name, Unix::mode_t, int& error) = 0;
virtual InodeIdentifier find_parent_of_inode(InodeIdentifier) const = 0;
virtual RetainPtr<Inode> get_inode(InodeIdentifier) const = 0;
protected:
@@ -85,6 +83,7 @@ public:
virtual String reverse_lookup(InodeIdentifier) = 0;
virtual bool write(const ByteBuffer&) = 0;
virtual bool add_child(InodeIdentifier child_id, const String& name, byte file_type, int& error) = 0;
virtual RetainPtr<Inode> parent() const = 0;
bool is_metadata_dirty() const { return m_metadata_dirty; }