Re: [PATCH v17 11/16] rust: sync: Expose lock::Backend

["Benno Lossin" <lossin@kernel.org>]

On Wed Jan 21, 2026 at 11:39 PM CET, Lyude Paul wrote:
> Due to the addition of sync::lock::Backend::Context, lock guards can be
> returned with a different Backend than their respective lock. Since we'll
> be adding a trait bound for Backend to GlobalGuard in order to support
> this, users will need to be able to directly refer to Backend so that they
> can use it in trait bounds.
>
> So, let's make this easier for users and expose Backend in sync.
>
> Signed-off-by: Lyude Paul <lyude@redhat.com>

Reviewed-by: Benno Lossin <lossin@kernel.org>

Cheers,
Benno

> ---
>  rust/kernel/sync.rs | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/rust/kernel/sync.rs b/rust/kernel/sync.rs
> index 48a7cae86c50c..ce31154198cea 100644
> --- a/rust/kernel/sync.rs
> +++ b/rust/kernel/sync.rs
> @@ -30,6 +30,7 @@
>  pub use lock::spinlock::{
>      new_spinlock, new_spinlock_irq, SpinLock, SpinLockGuard, SpinLockIrq, SpinLockIrqGuard,
>  };
> +pub use lock::Backend;
>  pub use locked_by::LockedBy;
>  pub use refcount::Refcount;
>  pub use set_once::SetOnce;