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Add support for removing directories.

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It's really only supported in Ext2FS since SynthFS doesn't really want you
mucking around with its files. This is pretty neat though :^)

I ran into some trouble with HashMap while working on this but opted to work
around it and leave that for a separate investigation.
This commit is contained in:
Andreas Kling 2019-01-28 04:16:01 +01:00
parent 031c62a21e
commit c95228b128
19 changed files with 185 additions and 40 deletions
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5
Kernel/SyntheticFileSystem.h
View file

@ -54,9 +54,9 @@ public:
private:
// ^Inode
virtual ssize_t read_bytes(off_t, size_t, byte* buffer, FileDescriptor*) override;
virtual ssize_t read_bytes(off_t, size_t, byte* buffer, FileDescriptor*) const override;
virtual InodeMetadata metadata() const override;
virtual bool traverse_as_directory(Function<bool(const FS::DirectoryEntry&)>) override;
virtual bool traverse_as_directory(Function<bool(const FS::DirectoryEntry&)>) const override;
virtual InodeIdentifier lookup(const String& name) override;
virtual String reverse_lookup(InodeIdentifier) override;
virtual void flush_metadata() override;
@ -64,6 +64,7 @@ private:
virtual bool add_child(InodeIdentifier child_id, const String& name, byte file_type, int& error) override;
virtual bool remove_child(const String& name, int& error) override;
virtual RetainPtr<Inode> parent() const override;
virtual size_t directory_entry_count() const override;
SynthFS& fs();
const SynthFS& fs() const;