e6fc7b3ff7
The main place where this is a little iffy is in RAMFS where inodes have a LockWeakPtr to their parent inode. I've left that as a LockWeakPtr for now.
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/RefPtr.h>
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#include <Kernel/FileSystem/Custody.h>
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#include <Kernel/FileSystem/FileSystem.h>
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#include <Kernel/FileSystem/Inode.h>
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#include <Kernel/Forward.h>
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#include <Kernel/Library/NonnullLockRefPtr.h>
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namespace Kernel {
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class VirtualFileSystem;
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class Mount {
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friend class VirtualFileSystem;
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public:
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Mount(FileSystem&, Custody* host_custody, int flags);
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Mount(Inode& source, Custody& host_custody, int flags);
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RefPtr<Inode const> host() const;
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RefPtr<Inode> host();
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Inode const& guest() const { return *m_guest; }
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Inode& guest() { return *m_guest; }
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FileSystem const& guest_fs() const { return *m_guest_fs; }
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FileSystem& guest_fs() { return *m_guest_fs; }
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ErrorOr<NonnullOwnPtr<KString>> absolute_path() const;
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int flags() const { return m_flags; }
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void set_flags(int flags) { m_flags = flags; }
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private:
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NonnullRefPtr<Inode> m_guest;
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NonnullLockRefPtr<FileSystem> m_guest_fs;
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SpinlockProtected<RefPtr<Custody>, LockRank::None> m_host_custody;
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int m_flags;
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IntrusiveListNode<Mount> m_vfs_list_node;
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};
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}
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