8adadf8a46
Walk the custody cache and try to reuse an existing one when possible. The VFS is responsible for updating them when something happens that would cause the described relationship to change. This is definitely not perfect but it does work for the basic scenarios like renaming and removing directory entries.
44 lines
929 B
C++
44 lines
929 B
C++
#pragma once
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#include <AK/AKString.h>
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#include <AK/ByteBuffer.h>
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#include <AK/Types.h>
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class FS;
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struct InodeMetadata;
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class InodeIdentifier {
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public:
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InodeIdentifier() {}
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InodeIdentifier(dword fsid, dword inode)
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: m_fsid(fsid)
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, m_index(inode)
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{
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}
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bool is_valid() const { return m_fsid != 0 && m_index != 0; }
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dword fsid() const { return m_fsid; }
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dword index() const { return m_index; }
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FS* fs();
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const FS* fs() const;
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bool operator==(const InodeIdentifier& other) const
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{
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return m_fsid == other.m_fsid && m_index == other.m_index;
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}
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bool operator!=(const InodeIdentifier& other) const
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{
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return m_fsid != other.m_fsid || m_index != other.m_index;
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}
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bool is_root_inode() const;
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String to_string() const { return String::format("%u:%u", m_fsid, m_index); }
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private:
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dword m_fsid { 0 };
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dword m_index { 0 };
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};
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