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Kernel: Use RefPtr instead of LockRefPtr for Custody
By protecting all the RefPtr<Custody> objects that may be accessed from multiple threads at the same time (with spinlocks), we remove the need for using LockRefPtr<Custody> (which is basically a RefPtr with a built-in spinlock.)
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23 changed files with 143 additions and 102 deletions
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@ -6,6 +6,7 @@
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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/Forward.h>
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#include <Kernel/Library/NonnullLockRefPtr.h>
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@ -17,8 +18,8 @@ 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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Inode const* host() const;
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Inode* host();
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LockRefPtr<Inode const> host() const;
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LockRefPtr<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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@ -34,7 +35,7 @@ public:
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private:
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NonnullLockRefPtr<Inode> m_guest;
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NonnullLockRefPtr<FileSystem> m_guest_fs;
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LockRefPtr<Custody> m_host_custody;
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SpinlockProtected<RefPtr<Custody>> m_host_custody;
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int m_flags;
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};
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