Re: [PATCH v4] rust: locks: Add `get_mut` method to `Lock`

[Alice Ryhl]

On Mon, Feb 26, 2024 at 2:55 PM Mathys-Gasnier via B4 Relay
<devnull+mathys35.gasnier.gmail.com@xxxxxxxxxx> wrote:
>
> From: Mathys-Gasnier <mathys35.gasnier@xxxxxxxxx>
>
> Having a mutable reference guarantees that no other threads have
> access to the lock, so we can take advantage of that to grant callers
> access to the protected data without the the cost of acquiring and
> releasing the locks. Since the lifetime of the data is tied to the
> mutable reference, the borrow checker guarantees that the usage is safe.
>
> Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@xxxxxxxxx>
> Signed-off-by: Mathys-Gasnier <mathys35.gasnier@xxxxxxxxx>

Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>