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/helpers | |
| 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/helpers')
| -rw-r--r-- | rust/helpers/refcount.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/rust/helpers/refcount.c b/rust/helpers/refcount.c index d6adbd2e45a1..d175898ad7b8 100644 --- a/rust/helpers/refcount.c +++ b/rust/helpers/refcount.c @@ -7,11 +7,21 @@ refcount_t rust_helper_REFCOUNT_INIT(int n) return (refcount_t)REFCOUNT_INIT(n); } +void rust_helper_refcount_set(refcount_t *r, int n) +{ + refcount_set(r, n); +} + void rust_helper_refcount_inc(refcount_t *r) { refcount_inc(r); } +void rust_helper_refcount_dec(refcount_t *r) +{ + refcount_dec(r); +} + bool rust_helper_refcount_dec_and_test(refcount_t *r) { return refcount_dec_and_test(r); |