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Kernel: Make Inode::lookup() return a KResultOr<NonnullRefPtr<Inode>>

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This allows file systems to return arbitrary error codes instead of just
an Inode or not an Inode.
This commit is contained in:
Andreas Kling 2021-08-14 13:32:35 +02:00
commit ef2720bcad
Notes: sideshowbarker 2024-07-18 06:57:29 +09:00
18 changed files with 83 additions and 72 deletions
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2
Kernel/FileSystem/ISO9660FileSystem.h
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@ -351,7 +351,7 @@ public:
virtual KResultOr<size_t> read_bytes(off_t, size_t, UserOrKernelBuffer& buffer, FileDescription*) const override;
virtual InodeMetadata metadata() const override;
virtual KResult traverse_as_directory(Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
virtual RefPtr<Inode> lookup(StringView name) override;
virtual KResultOr<NonnullRefPtr<Inode>> lookup(StringView name) override;
virtual void flush_metadata() override;
virtual KResultOr<size_t> write_bytes(off_t, size_t, const UserOrKernelBuffer& buffer, FileDescription*) override;
virtual KResultOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, uid_t, gid_t) override;