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bcachefs: per_cpu_sum()

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-06-13 14:11:48 -04:00
parent 63567f643a
commit 132e1a2380
1 changed files with 11 additions and 6 deletions
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17
fs/bcachefs/util.h
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@ -698,14 +698,19 @@ do { \
} \
} while (0)
#define per_cpu_sum(_p) \
({ \
typeof(*_p) _ret = 0; \
\
int cpu; \
for_each_possible_cpu(cpu) \
_ret += *per_cpu_ptr(_p, cpu); \
_ret; \
})
static inline u64 percpu_u64_get(u64 __percpu *src)
{
u64 ret = 0;
int cpu;
for_each_possible_cpu(cpu)
ret += *per_cpu_ptr(src, cpu);
return ret;
return per_cpu_sum(src);
}
static inline void percpu_u64_set(u64 __percpu *dst, u64 src)