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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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6
Kernel/FileSystem/FileSystem.h
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@ -6,10 +6,10 @@
#pragma once
#include <AK/Error.h>
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <AK/StringView.h>
#include <Kernel/API/KResult.h>
#include <Kernel/FileSystem/InodeIdentifier.h>
#include <Kernel/Forward.h>
#include <Kernel/Locking/Mutex.h>
@ -31,7 +31,7 @@ public:
static void sync();
static void lock_all();
virtual KResult initialize() = 0;
virtual ErrorOr<void> initialize() = 0;
virtual StringView class_name() const = 0;
virtual Inode& root_inode() = 0;
virtual bool supports_watchers() const { return false; }
@ -43,7 +43,7 @@ public:
virtual unsigned total_inode_count() const { return 0; }
virtual unsigned free_inode_count() const { return 0; }
virtual KResult prepare_to_unmount() { return KSuccess; }
virtual ErrorOr<void> prepare_to_unmount() { return {}; }
struct DirectoryEntryView {
DirectoryEntryView(const StringView& name, InodeIdentifier, u8 file_type);