diff options
| author | Gary Guo <gary@garyguo.net> | 2025-09-04 21:41:37 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-09-15 09:38:35 +0200 |
| commit | bb38f35b35f9de0cebc4d62ea73482454e38cef3 (patch) | |
| tree | 215a5213716338325853e173d21f1c7cd3d82c61 /rust/kernel/sync.rs | |
| parent | d9ea5a41cef80dc8103f4114b072b27364f2e06a (diff) | |
rust: implement `kernel::sync::Refcount`
This is a wrapping layer of `include/linux/refcount.h`. Currently the
kernel refcount has already been used in `Arc`, however it calls into
FFI directly.
[boqun: Add the missing <> for the link in comment]
Signed-off-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Fiona Behrens <me@kloenk.dev>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Reviewed-by: Elle Rhumsaa <elle@weathered-steel.dev>
Link: https://lore.kernel.org/r/20250723233312.3304339-2-gary@kernel.org
Diffstat (limited to 'rust/kernel/sync.rs')
| -rw-r--r-- | rust/kernel/sync.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/rust/kernel/sync.rs b/rust/kernel/sync.rs index bf8943c88a89..cf5b638a097d 100644 --- a/rust/kernel/sync.rs +++ b/rust/kernel/sync.rs @@ -19,6 +19,7 @@ pub mod lock; mod locked_by; pub mod poll; pub mod rcu; +mod refcount; pub use arc::{Arc, ArcBorrow, UniqueArc}; pub use completion::Completion; @@ -27,6 +28,7 @@ pub use lock::global::{global_lock, GlobalGuard, GlobalLock, GlobalLockBackend, pub use lock::mutex::{new_mutex, Mutex, MutexGuard}; pub use lock::spinlock::{new_spinlock, SpinLock, SpinLockGuard}; pub use locked_by::LockedBy; +pub use refcount::Refcount; /// Represents a lockdep class. It's a wrapper around C's `lock_class_key`. #[repr(transparent)] |