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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-25 02:09:44 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-25 13:59:16 -0400 |
| commit | 9799b119c34d7be1ee96d143209cfe5fc543d92a (patch) | |
| tree | f973e4d166a98c57d7ddb32b15eed16a7382278e /include/linux/atomic.h | |
| parent | bd9e0153342c51390ec655b4e78eda1aa1c32a84 (diff) | |
Update bcachefs sources to 0d63ed13ea3d closures: Fix race in closure_sync()v1.3
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'include/linux/atomic.h')
| -rw-r--r-- | include/linux/atomic.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/atomic.h b/include/linux/atomic.h index f4d047c1..f1464cf3 100644 --- a/include/linux/atomic.h +++ b/include/linux/atomic.h @@ -47,6 +47,7 @@ typedef struct { #define smp_rmb() cmm_smp_rmb() #define smp_mb() cmm_smp_mb() #define smp_read_barrier_depends() cmm_smp_read_barrier_depends() +#define smp_acquire__after_ctrl_dep() cmm_smp_mb() #else /* C11_ATOMICS */ @@ -205,6 +206,11 @@ static inline i_type a_type##_dec_return(a_type##_t *v) \ return __ATOMIC_DEC_RETURN(&v->counter); \ } \ \ +static inline i_type a_type##_dec_return_release(a_type##_t *v) \ +{ \ + return __ATOMIC_SUB_RETURN_RELEASE(1, &v->counter); \ +} \ + \ static inline void a_type##_inc(a_type##_t *v) \ { \ __ATOMIC_INC(&v->counter); \ |