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Kernel: Switch LockRefPtr<Inode> to RefPtr<Inode>

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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.
This commit is contained in:
Andreas Kling 2023-03-07 12:25:00 +01:00
parent 067d0689c5
commit e6fc7b3ff7
50 changed files with 143 additions and 144 deletions
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6
Kernel/FileSystem/DevPtsFS/FileSystem.cpp
View file

@ -23,7 +23,7 @@ DevPtsFS::~DevPtsFS() = default;
ErrorOr<void> DevPtsFS::initialize()
{
m_root_inode = TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) DevPtsFSInode(*this, 1, nullptr)));
m_root_inode = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) DevPtsFSInode(*this, 1, nullptr)));
m_root_inode->m_metadata.inode = { fsid(), 1 };
m_root_inode->m_metadata.mode = 0040555;
m_root_inode->m_metadata.uid = 0;
@ -44,7 +44,7 @@ Inode& DevPtsFS::root_inode()
return *m_root_inode;
}
ErrorOr<NonnullLockRefPtr<Inode>> DevPtsFS::get_inode(InodeIdentifier inode_id) const
ErrorOr<NonnullRefPtr<Inode>> DevPtsFS::get_inode(InodeIdentifier inode_id) const
{
if (inode_id.index() == 1)
return *m_root_inode;
@ -53,7 +53,7 @@ ErrorOr<NonnullLockRefPtr<Inode>> DevPtsFS::get_inode(InodeIdentifier inode_id)
auto* device = DeviceManagement::the().get_device(201, pty_index);
VERIFY(device);
auto inode = TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) DevPtsFSInode(const_cast<DevPtsFS&>(*this), inode_id.index(), static_cast<SlavePTY*>(device))));
auto inode = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) DevPtsFSInode(const_cast<DevPtsFS&>(*this), inode_id.index(), static_cast<SlavePTY*>(device))));
inode->m_metadata.inode = inode_id;
inode->m_metadata.size = 0;
inode->m_metadata.uid = device->uid();

4
Kernel/FileSystem/DevPtsFS/FileSystem.h
View file

@ -29,9 +29,9 @@ public:
private:
DevPtsFS();
ErrorOr<NonnullLockRefPtr<Inode>> get_inode(InodeIdentifier) const;
ErrorOr<NonnullRefPtr<Inode>> get_inode(InodeIdentifier) const;
LockRefPtr<DevPtsFSInode> m_root_inode;
RefPtr<DevPtsFSInode> m_root_inode;
};
}

6
Kernel/FileSystem/DevPtsFS/Inode.cpp
View file

@ -63,7 +63,7 @@ ErrorOr<void> DevPtsFSInode::traverse_as_directory(Function<ErrorOr<void>(FileSy
});
}
ErrorOr<NonnullLockRefPtr<Inode>> DevPtsFSInode::lookup(StringView name)
ErrorOr<NonnullRefPtr<Inode>> DevPtsFSInode::lookup(StringView name)
{
VERIFY(identifier().index() == 1);
@ -74,7 +74,7 @@ ErrorOr<NonnullLockRefPtr<Inode>> DevPtsFSInode::lookup(StringView name)
if (!pty_index.has_value())
return ENOENT;
return SlavePTY::all_instances().with([&](auto& list) -> ErrorOr<NonnullLockRefPtr<Inode>> {
return SlavePTY::all_instances().with([&](auto& list) -> ErrorOr<NonnullRefPtr<Inode>> {
for (SlavePTY& slave_pty : list) {
if (slave_pty.index() != pty_index.value())
continue;
@ -94,7 +94,7 @@ ErrorOr<void> DevPtsFSInode::add_child(Inode&, StringView, mode_t)
return EROFS;
}
ErrorOr<NonnullLockRefPtr<Inode>> DevPtsFSInode::create_child(StringView, mode_t, dev_t, UserID, GroupID)
ErrorOr<NonnullRefPtr<Inode>> DevPtsFSInode::create_child(StringView, mode_t, dev_t, UserID, GroupID)
{
return EROFS;
}

4
Kernel/FileSystem/DevPtsFS/Inode.h
View file

@ -29,10 +29,10 @@ private:
virtual ErrorOr<size_t> read_bytes_locked(off_t, size_t, UserOrKernelBuffer& buffer, OpenFileDescription*) const override;
virtual InodeMetadata metadata() const override;
virtual ErrorOr<void> traverse_as_directory(Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)>) const override;
virtual ErrorOr<NonnullLockRefPtr<Inode>> lookup(StringView name) override;
virtual ErrorOr<NonnullRefPtr<Inode>> lookup(StringView name) override;
virtual ErrorOr<void> flush_metadata() override;
virtual ErrorOr<size_t> write_bytes_locked(off_t, size_t, UserOrKernelBuffer const& buffer, OpenFileDescription*) override;
virtual ErrorOr<NonnullLockRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override;
virtual ErrorOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override;
virtual ErrorOr<void> add_child(Inode&, StringView name, mode_t) override;
virtual ErrorOr<void> remove_child(StringView name) override;
virtual ErrorOr<void> replace_child(StringView name, Inode& child) override;