[PATCH v4 15/16] rust: block: refactor to use `&raw [const|mut]`

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Replacing all occurrences of `addr_of!(place)` and `addr_of_mut!(place)`
with `&raw const place` and `&raw mut place` respectively.

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

Suggested-by: Benno Lossin <benno.lossin@xxxxxxxxx>
Link: https://github.com/Rust-for-Linux/linux/issues/1148
Signed-off-by: Antonio Hickey <contact@xxxxxxxxxxxxxxxxx>
---
 rust/kernel/block/mq/request.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rust/kernel/block/mq/request.rs b/rust/kernel/block/mq/request.rs
index 7943f43b9575..4a5b7ec914ef 100644
--- a/rust/kernel/block/mq/request.rs
+++ b/rust/kernel/block/mq/request.rs
@@ -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 }
     }
 }
 
-- 
2.48.1





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