Commit 2a571248 authored Mar 19, 2025 by Antonio Hickey Committed by Miguel Ojeda Mar 23, 2025

rust: block: refactor to use `&raw mut`



Replace all occurrences (one) of `addr_of_mut!(place)` with
`&raw mut place`.

This will allow us to reduce macro complexity, and improve consistency
with existing reference syntax as `&raw mut` is similar to `&mut` making
it fit more naturally with other existing code.

Suggested-by: Benno Lossin <benno.lossin@proton.me>
Link: https://github.com/Rust-for-Linux/linux/issues/1148


Signed-off-by: Antonio Hickey <contact@antoniohickey.com>
Acked-by: Andreas Hindborg <a.hindborg@kernel.org>
Reviewed-by: Benno Lossin <benno.lossin@proton.me>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://lore.kernel.org/r/20250320020740.1631171-17-contact@antoniohickey.com


[ Reworded slightly. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

parent e1dfaa33

rust/kernel/block/mq/request.rs

+2 −2

Original line number	Diff line number	Diff line
		@@ -12,7 +12,7 @@
		};
		use core::{
		marker::PhantomData,
		ptr::{addr_of_mut, NonNull},
		ptr::NonNull,
		sync::atomic::{AtomicU64, Ordering},
		};

		@@ -187,7 +187,7 @@ pub(crate) fn refcount(&self) -> &AtomicU64 {
		pub(crate) unsafe fn refcount_ptr(this: mut Self) -> mut AtomicU64 {
		// SAFETY: Because of the safety requirements of this function, the
		// field projection is safe.
		unsafe { addr_of_mut!((*this).refcount) }
		unsafe { &raw mut (*this).refcount }
		}
		}