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Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T>

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We now use AK::Error and AK::ErrorOr<T> in both kernel and userspace!
This was a slightly tedious refactoring that took a long time, so it's
not unlikely that some bugs crept in.

Nevertheless, it does pass basic functionality testing, and it's just
real nice to finally see the same pattern in all contexts. :^)
This commit is contained in:
Andreas Kling
2021-11-08 00:51:39 +01:00
parent 7ee10c6926
commit 79fa9765ca
262 changed files with 2415 additions and 2600 deletions
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10
Kernel/FileSystem/BlockBasedFileSystem.h
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@@ -16,7 +16,7 @@ public:
TYPEDEF_DISTINCT_ORDERED_ID(u64, BlockIndex);
virtual ~BlockBasedFileSystem() override;
virtual KResult initialize() override;
virtual ErrorOr<void> initialize() override;
u64 logical_block_size() const { return m_logical_block_size; };
@@ -26,8 +26,8 @@ public:
protected:
explicit BlockBasedFileSystem(OpenFileDescription&);
KResult read_block(BlockIndex, UserOrKernelBuffer*, size_t count, size_t offset = 0, bool allow_cache = true) const;
KResult read_blocks(BlockIndex, unsigned count, UserOrKernelBuffer&, bool allow_cache = true) const;
ErrorOr<void> read_block(BlockIndex, UserOrKernelBuffer*, size_t count, size_t offset = 0, bool allow_cache = true) const;
ErrorOr<void> read_blocks(BlockIndex, unsigned count, UserOrKernelBuffer&, bool allow_cache = true) const;
bool raw_read(BlockIndex, UserOrKernelBuffer&);
bool raw_write(BlockIndex, const UserOrKernelBuffer&);
@@ -35,8 +35,8 @@ protected:
bool raw_read_blocks(BlockIndex index, size_t count, UserOrKernelBuffer&);
bool raw_write_blocks(BlockIndex index, size_t count, const UserOrKernelBuffer&);
KResult write_block(BlockIndex, const UserOrKernelBuffer&, size_t count, size_t offset = 0, bool allow_cache = true);
KResult write_blocks(BlockIndex, unsigned count, const UserOrKernelBuffer&, bool allow_cache = true);
ErrorOr<void> write_block(BlockIndex, const UserOrKernelBuffer&, size_t count, size_t offset = 0, bool allow_cache = true);
ErrorOr<void> write_blocks(BlockIndex, unsigned count, const UserOrKernelBuffer&, bool allow_cache = true);
u64 m_logical_block_size { 512 };