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From: Fiona Behrens <me@kloenk.dev>
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To: Alice Ryhl <aliceryhl@google.com>
Cc: Miguel Ojeda <ojeda@kernel.org>,  Boqun Feng <boqun.feng@gmail.com>,
  Gary Guo <gary@garyguo.net>,  =?utf-8?Q?Bj=C3=B6rn_Roy_Baron?=
 <bjorn3_gh@protonmail.com>,  Benno Lossin <benno.lossin@proton.me>,
  Andreas Hindborg <a.hindborg@kernel.org>,  Trevor Gross
 <tmgross@umich.edu>,  Peter Zijlstra <peterz@infradead.org>,  Ingo Molnar
 <mingo@redhat.com>,  Will Deacon <will@kernel.org>,  Waiman Long
 <longman@redhat.com>,  rust-for-linux@vger.kernel.org,
  linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] rust: sync: add accessor for the lock behind a given
 guard
In-Reply-To: <20250205-guard-get-lock-v2-1-ba32a8c1d5b7@google.com> (Alice
	Ryhl's message of "Wed, 05 Feb 2025 10:54:50 +0000")
References: <20250205-guard-get-lock-v2-1-ba32a8c1d5b7@google.com>
Date: Wed, 05 Feb 2025 19:52:28 +0100
Message-ID: <87h658p6kz.fsf@kloenk.dev>
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Alice Ryhl <aliceryhl@google.com> writes:

> Binder has some methods where the caller provides a lock guard, and
> Binder needs to be able to assert that the guard is associated with the
> right lock. To enable this, add an accessor to obtain a reference to the
> underlying lock that you can pass to `ptr::eq`.
>
> Signed-off-by: Alice Ryhl <aliceryhl@google.com>

Reviewed-by: Fiona Behrens <me@kloenk.dev>

Thanks,
Fiona

> ---
> Changes in v2:
> - Rename to lock_ref() to avoid confusion with lock().
> - Rebase on v6.14-rc1.
> - Link to v1: https://lore.kernel.org/r/20250130-guard-get-lock-v1-1-8ed87899920a@google.com
> ---