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Kernel: Move Inode to its own files.

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This commit is contained in:
Andreas Kling 2019-05-16 03:02:37 +02:00
parent 8aecebe8f3
commit 176f683f66
11 changed files with 240 additions and 205 deletions
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79
Kernel/FileSystem/FileSystem.h
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@ -69,80 +69,6 @@ private:
bool m_readonly { false };
};
class Inode : public Retainable<Inode> {
friend class VFS;
friend class FS;
public:
virtual ~Inode();
virtual void one_retain_left() { }
FS& fs() { return m_fs; }
const FS& fs() const { return m_fs; }
unsigned fsid() const;
unsigned index() const { return m_index; }
size_t size() const { return metadata().size; }
bool is_symlink() const { return metadata().is_symlink(); }
bool is_directory() const { return metadata().is_directory(); }
bool is_character_device() const { return metadata().is_character_device(); }
mode_t mode() const { return metadata().mode; }
InodeIdentifier identifier() const { return { fsid(), index() }; }
virtual InodeMetadata metadata() const = 0;
ByteBuffer read_entire(FileDescriptor* = nullptr) const;
virtual ssize_t read_bytes(off_t, ssize_t, byte* buffer, FileDescriptor*) const = 0;
virtual bool traverse_as_directory(Function<bool(const FS::DirectoryEntry&)>) const = 0;
virtual InodeIdentifier lookup(const String& name) = 0;
virtual String reverse_lookup(InodeIdentifier) = 0;
virtual ssize_t write_bytes(off_t, ssize_t, const byte* data, FileDescriptor*) = 0;
virtual KResult add_child(InodeIdentifier child_id, const String& name, byte file_type) = 0;
virtual KResult remove_child(const String& name) = 0;
virtual RetainPtr<Inode> parent() const = 0;
virtual size_t directory_entry_count() const = 0;
virtual KResult chmod(mode_t) = 0;
virtual KResult chown(uid_t, gid_t) = 0;
virtual KResult truncate(off_t) { return KSuccess; }
LocalSocket* socket() { return m_socket.ptr(); }
const LocalSocket* socket() const { return m_socket.ptr(); }
bool bind_socket(LocalSocket&);
bool unbind_socket();
bool is_metadata_dirty() const { return m_metadata_dirty; }
virtual int set_atime(time_t);
virtual int set_ctime(time_t);
virtual int set_mtime(time_t);
virtual int increment_link_count();
virtual int decrement_link_count();
virtual void flush_metadata() = 0;
void will_be_destroyed();
void set_vmo(VMObject&);
VMObject* vmo() { return m_vmo.ptr(); }
const VMObject* vmo() const { return m_vmo.ptr(); }
protected:
Inode(FS& fs, unsigned index);
void set_metadata_dirty(bool b) { m_metadata_dirty = b; }
void inode_contents_changed(off_t, ssize_t, const byte*);
void inode_size_changed(size_t old_size, size_t new_size);
mutable Lock m_lock { "Inode" };
private:
FS& m_fs;
unsigned m_index { 0 };
WeakPtr<VMObject> m_vmo;
RetainPtr<LocalSocket> m_socket;
bool m_metadata_dirty { false };
};
inline FS* InodeIdentifier::fs()
{
return FS::from_fsid(m_fsid);
@ -158,11 +84,6 @@ inline bool InodeIdentifier::is_root_inode() const
return (*this) == fs()->root_inode();
}
inline unsigned Inode::fsid() const
{
return m_fs.fsid();
}
namespace AK {
template<>