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Kernel: Make Device request creation return KResultOr

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This allows us to propagate errors in a bunch of new places.
This commit is contained in:
Andreas Kling 2021-09-07 16:40:54 +02:00
parent a01b19c878
commit 9669bf29f6
4 changed files with 24 additions and 11 deletions
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7
Kernel/Storage/Partition/DiskPartition.cpp
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@ -33,8 +33,11 @@ const DiskPartitionMetadata& DiskPartition::metadata() const
void DiskPartition::start_request(AsyncBlockDeviceRequest& request)
{
request.add_sub_request(m_device->make_request<AsyncBlockDeviceRequest>(request.request_type(),
request.block_index() + m_metadata.start_block(), request.block_count(), request.buffer(), request.buffer_size()));
auto sub_request_or_error = m_device->try_make_request<AsyncBlockDeviceRequest>(request.request_type(),
request.block_index() + m_metadata.start_block(), request.block_count(), request.buffer(), request.buffer_size());
if (sub_request_or_error.is_error())
TODO();
request.add_sub_request(sub_request_or_error.release_value());
}
KResultOr<size_t> DiskPartition::read(OpenFileDescription& fd, u64 offset, UserOrKernelBuffer& outbuf, size_t len)