Files
erofs-linux/rust/helpers/refcount.c
T
Gary Guo bb38f35b35 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 <[email protected]>
Signed-off-by: Boqun Feng <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Reviewed-by: Alice Ryhl <[email protected]>
Reviewed-by: Boqun Feng <[email protected]>
Reviewed-by: Fiona Behrens <[email protected]>
Reviewed-by: Benno Lossin <[email protected]>
Reviewed-by: Elle Rhumsaa <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
2025-09-15 09:38:35 +02:00

29 lines
459 B
C

// SPDX-License-Identifier: GPL-2.0
#include <linux/refcount.h>
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);
}