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Kernel: Make Inode::lookup() return a KResultOr<NonnullRefPtr<Inode>>
This allows file systems to return arbitrary error codes instead of just an Inode or not an Inode.
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parent
459115a59c
commit
ef2720bcad
18 changed files with 83 additions and 72 deletions
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@ -55,7 +55,7 @@ protected:
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DevFSInode(DevFS&);
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virtual KResultOr<size_t> read_bytes(off_t, size_t, UserOrKernelBuffer& buffer, FileDescription*) const override;
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virtual KResult traverse_as_directory(Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
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virtual RefPtr<Inode> lookup(StringView name) override;
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virtual KResultOr<NonnullRefPtr<Inode>> lookup(StringView name) override;
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virtual void flush_metadata() override;
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virtual KResultOr<size_t> write_bytes(off_t, size_t, const UserOrKernelBuffer& buffer, FileDescription*) override;
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virtual KResultOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, uid_t, gid_t) override;
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@ -119,8 +119,6 @@ protected:
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DevFSDirectoryInode(DevFS&);
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// ^Inode
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virtual InodeMetadata metadata() const override;
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virtual KResult traverse_as_directory(Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
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virtual RefPtr<Inode> lookup(StringView name) override;
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NonnullRefPtrVector<DevFSDeviceInode> m_devices;
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};
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@ -136,7 +134,7 @@ public:
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private:
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explicit DevFSPtsDirectoryInode(DevFS&);
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virtual KResult traverse_as_directory(Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
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virtual RefPtr<Inode> lookup(StringView name) override;
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virtual KResultOr<NonnullRefPtr<Inode>> lookup(StringView name) override;
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virtual InodeMetadata metadata() const override;
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};
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@ -151,7 +149,7 @@ private:
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explicit DevFSRootDirectoryInode(DevFS&);
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virtual KResultOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, uid_t, gid_t) override;
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virtual KResult traverse_as_directory(Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
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virtual RefPtr<Inode> lookup(StringView name) override;
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virtual KResultOr<NonnullRefPtr<Inode>> lookup(StringView name) override;
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virtual InodeMetadata metadata() const override;
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NonnullRefPtrVector<DevFSDirectoryInode> m_subdirectories;
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