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https://github.com/SerenityOS/serenity
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Kernel: Split the TmpFS core files into smaller components
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parent
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commit
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@ -183,7 +183,8 @@ set(KERNEL_SOURCES
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FileSystem/SysFS/Subsystems/Kernel/Variables/Directory.cpp
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FileSystem/SysFS/Subsystems/Kernel/Variables/DumpKmallocStack.cpp
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FileSystem/SysFS/Subsystems/Kernel/Variables/UBSANDeadly.cpp
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FileSystem/TmpFS.cpp
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FileSystem/TmpFS/FileSystem.cpp
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FileSystem/TmpFS/Inode.cpp
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FileSystem/VirtualFileSystem.cpp
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Firmware/BIOS.cpp
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Firmware/ACPI/Initialize.cpp
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40
Kernel/FileSystem/TmpFS/FileSystem.cpp
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40
Kernel/FileSystem/TmpFS/FileSystem.cpp
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@ -0,0 +1,40 @@
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/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
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* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/FileSystem/TmpFS/FileSystem.h>
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#include <Kernel/FileSystem/TmpFS/Inode.h>
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namespace Kernel {
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ErrorOr<NonnullLockRefPtr<FileSystem>> TmpFS::try_create()
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{
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return TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) TmpFS));
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}
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TmpFS::TmpFS() = default;
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TmpFS::~TmpFS() = default;
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ErrorOr<void> TmpFS::initialize()
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{
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m_root_inode = TRY(TmpFSInode::try_create_root(*this));
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return {};
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}
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Inode& TmpFS::root_inode()
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{
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VERIFY(!m_root_inode.is_null());
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return *m_root_inode;
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}
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unsigned TmpFS::next_inode_index()
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{
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MutexLocker locker(m_lock);
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return m_next_inode_index++;
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}
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}
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39
Kernel/FileSystem/TmpFS/FileSystem.h
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39
Kernel/FileSystem/TmpFS/FileSystem.h
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@ -0,0 +1,39 @@
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/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
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* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
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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 <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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namespace Kernel {
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class TmpFS final : public FileSystem {
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friend class TmpFSInode;
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public:
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virtual ~TmpFS() override;
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static ErrorOr<NonnullLockRefPtr<FileSystem>> try_create();
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virtual ErrorOr<void> initialize() override;
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virtual StringView class_name() const override { return "TmpFS"sv; }
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virtual bool supports_watchers() const override { return true; }
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virtual Inode& root_inode() override;
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private:
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TmpFS();
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LockRefPtr<TmpFSInode> m_root_inode;
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unsigned m_next_inode_index { 1 };
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unsigned next_inode_index();
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};
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}
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@ -5,39 +5,11 @@
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/FileSystem/TmpFS.h>
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#include <Kernel/FileSystem/TmpFS/Inode.h>
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#include <Kernel/Process.h>
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#include <LibC/limits.h>
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namespace Kernel {
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ErrorOr<NonnullLockRefPtr<FileSystem>> TmpFS::try_create()
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{
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return TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) TmpFS));
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}
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TmpFS::TmpFS() = default;
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TmpFS::~TmpFS() = default;
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ErrorOr<void> TmpFS::initialize()
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{
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m_root_inode = TRY(TmpFSInode::try_create_root(*this));
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return {};
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}
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Inode& TmpFS::root_inode()
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{
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VERIFY(!m_root_inode.is_null());
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return *m_root_inode;
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}
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unsigned TmpFS::next_inode_index()
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{
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MutexLocker locker(m_lock);
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return m_next_inode_index++;
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}
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TmpFSInode::TmpFSInode(TmpFS& fs, InodeMetadata const& metadata, LockWeakPtr<TmpFSInode> parent)
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: Inode(fs, fs.next_inode_index())
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, m_metadata(metadata)
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@ -7,39 +7,12 @@
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#pragma once
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#include <Kernel/FileSystem/FileSystem.h>
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#include <Kernel/FileSystem/Inode.h>
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#include <Kernel/KBuffer.h>
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#include <Kernel/Locking/MutexProtected.h>
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#include <Kernel/FileSystem/TmpFS/FileSystem.h>
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#include <Kernel/Memory/AnonymousVMObject.h>
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namespace Kernel {
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class TmpFSInode;
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class TmpFS final : public FileSystem {
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friend class TmpFSInode;
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public:
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virtual ~TmpFS() override;
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static ErrorOr<NonnullLockRefPtr<FileSystem>> try_create();
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virtual ErrorOr<void> initialize() override;
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virtual StringView class_name() const override { return "TmpFS"sv; }
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virtual bool supports_watchers() const override { return true; }
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virtual Inode& root_inode() override;
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private:
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TmpFS();
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LockRefPtr<TmpFSInode> m_root_inode;
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unsigned m_next_inode_index { 1 };
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unsigned next_inode_index();
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};
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class TmpFSInode final : public Inode {
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friend class TmpFS;
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@ -61,6 +61,7 @@ class TCPSocket;
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class TTY;
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class Thread;
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class ThreadTracer;
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class TmpFSInode;
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class UDPSocket;
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class UserOrKernelBuffer;
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class VirtualFileSystem;
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@ -12,7 +12,7 @@
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#include <Kernel/FileSystem/Plan9FileSystem.h>
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#include <Kernel/FileSystem/ProcFS.h>
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#include <Kernel/FileSystem/SysFS/FileSystem.h>
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#include <Kernel/FileSystem/TmpFS.h>
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#include <Kernel/FileSystem/TmpFS/FileSystem.h>
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#include <Kernel/FileSystem/VirtualFileSystem.h>
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#include <Kernel/Process.h>
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