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Kernel: Make Inode::traverse_as_directory() callback return ErrorOr

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This allows us to propagate errors from inside the callback with TRY().
This commit is contained in:
Andreas Kling 2021-11-10 15:42:39 +01:00
parent a15ed8743d
commit 5ce753b74d
31 changed files with 154 additions and 151 deletions
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8
Kernel/FileSystem/SysFSComponent.cpp
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@ -31,16 +31,16 @@ mode_t SysFSComponent::permissions() const
return S_IRUSR | S_IRGRP | S_IROTH;
}
ErrorOr<void> SysFSDirectory::traverse_as_directory(unsigned fsid, Function<bool(FileSystem::DirectoryEntryView const&)> callback) const
ErrorOr<void> SysFSDirectory::traverse_as_directory(unsigned fsid, Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)> callback) const
{
MutexLocker locker(SysFSComponentRegistry::the().get_lock());
VERIFY(m_parent_directory);
callback({ ".", { fsid, component_index() }, 0 });
callback({ "..", { fsid, m_parent_directory->component_index() }, 0 });
TRY(callback({ ".", { fsid, component_index() }, 0 }));
TRY(callback({ "..", { fsid, m_parent_directory->component_index() }, 0 }));
for (auto& component : m_components) {
InodeIdentifier identifier = { fsid, component.component_index() };
callback({ component.name(), identifier, 0 });
TRY(callback({ component.name(), identifier, 0 }));
}
return {};
}