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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/Storage/StorageDevice.cpp
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@ -26,7 +26,7 @@ StringView StorageDevice::class_name() const
return "StorageDevice"sv;
}
KResultOr<size_t> StorageDevice::read(OpenFileDescription&, u64 offset, UserOrKernelBuffer& outbuf, size_t len)
ErrorOr<size_t> StorageDevice::read(OpenFileDescription&, u64 offset, UserOrKernelBuffer& outbuf, size_t len)
{
unsigned index = offset / block_size();
u16 whole_blocks = len / block_size();
@ -93,7 +93,7 @@ bool StorageDevice::can_read(const OpenFileDescription&, size_t offset) const
return offset < (max_addressable_block() * block_size());
}
KResultOr<size_t> StorageDevice::write(OpenFileDescription&, u64 offset, const UserOrKernelBuffer& inbuf, size_t len)
ErrorOr<size_t> StorageDevice::write(OpenFileDescription&, u64 offset, const UserOrKernelBuffer& inbuf, size_t len)
{
unsigned index = offset / block_size();
u16 whole_blocks = len / block_size();
@ -188,7 +188,7 @@ bool StorageDevice::can_write(const OpenFileDescription&, size_t offset) const
return offset < (max_addressable_block() * block_size());
}
KResult StorageDevice::ioctl(OpenFileDescription&, unsigned request, Userspace<void*> arg)
ErrorOr<void> StorageDevice::ioctl(OpenFileDescription&, unsigned request, Userspace<void*> arg)
{
switch (request) {
case STORAGE_DEVICE_GET_SIZE: {