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From: Andreas Hindborg <a.hindborg@kernel.org>
To: "Alice Ryhl" <aliceryhl@google.com>
Cc: "Oliver Mangold" <oliver.mangold@pm.me>,  "Miguel Ojeda"
 <ojeda@kernel.org>,  "Alex Gaynor" <alex.gaynor@gmail.com>,  "Boqun Feng"
 <boqun.feng@gmail.com>,  "Gary Guo" <gary@garyguo.net>,  =?utf-8?Q?Bj?=
 =?utf-8?Q?=C3=B6rn?= Roy Baron
 <bjorn3_gh@protonmail.com>,  "Benno Lossin" <benno.lossin@proton.me>,
  "Trevor Gross" <tmgross@umich.edu>,  <rust-for-linux@vger.kernel.org>,
  <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4] rust: adding UniqueRefCounted and UniqueRef types
In-Reply-To: <CAH5fLgjFBknTmhxQBPUdB-iNMjEkcyuLiu22-Nj-DGB1Gb7NkA@mail.gmail.com>
 (Alice
	Ryhl's message of "Wed, 05 Mar 2025 16:13:59 +0100")
References: <20250305-unique-ref-v4-1-a8fdef7b1c2c@pm.me>
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Date: Wed, 05 Mar 2025 16:42:04 +0100
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"Alice Ryhl" <aliceryhl@google.com> writes:

> On Wed, Mar 5, 2025 at 3:56=E2=80=AFPM Oliver Mangold <oliver.mangold@pm.=
me> wrote:
>>

[...]

>
> What is the use-case for these abstractions?

Missed this Q. It is for asserting uniqueness of a reference to a block
layer request [1].


Best regards,
Andreas Hindborg



[1] https://github.com/metaspace/linux/blob/44dd1c6eff584475f13e2a73eb4ad25=
df17d0d55/rust/kernel/block/mq/request.rs#L406