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Kernel: Make Inode::directory_entry_count errors observable.

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Certain implementations of Inode::directory_entry_count were calling
functions which returned errors, but had no way of surfacing them.
Switch the return type to KResultOr<size_t> and start observing these
error paths.
This commit is contained in:
Brian Gianforcaro 2020-08-05 01:00:18 -07:00 • committed by Andreas Kling
parent 7490ea9449
commit e8c9b5e870
12 changed files with 29 additions and 17 deletions
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4
Kernel/FileSystem/ProcFS.h
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@ -105,7 +105,7 @@ private:
virtual KResultOr<NonnullRefPtr<Inode>> create_child(const String& name, mode_t, dev_t, uid_t, gid_t) override;
virtual KResult add_child(Inode&, const StringView& name, mode_t) override;
virtual KResult remove_child(const StringView& name) override;
virtual size_t directory_entry_count() const override;
virtual KResultOr<size_t> directory_entry_count() const override;
virtual KResult chmod(mode_t) override;
virtual KResult chown(uid_t, gid_t) override;
virtual KResultOr<NonnullRefPtr<Custody>> resolve_as_link(Custody& base, RefPtr<Custody>* out_parent = nullptr, int options = 0, int symlink_recursion_level = 0) const override;
@ -132,7 +132,7 @@ private:
virtual KResultOr<NonnullRefPtr<Inode>> create_child(const String& name, mode_t, dev_t, uid_t, gid_t) override;
virtual KResult add_child(Inode&, const StringView& name, mode_t) override;
virtual KResult remove_child(const StringView& name) override;
virtual size_t directory_entry_count() const override;
virtual KResultOr<size_t> directory_entry_count() const override;
virtual KResult chmod(mode_t) override { return KResult(-EINVAL); }
virtual KResult chown(uid_t, gid_t) override { return KResult(-EINVAL); }
virtual KResultOr<NonnullRefPtr<Custody>> resolve_as_link(Custody&, RefPtr<Custody>*, int, int) const override { ASSERT_NOT_REACHED(); }