From 132e1a2380d06c31a17c773aac6c676658b9686a Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Thu, 13 Jun 2024 14:11:48 -0400 Subject: [PATCH] bcachefs: per_cpu_sum() Signed-off-by: Kent Overstreet --- fs/bcachefs/util.h | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h index cd09edd12d8a..2def4f761ca6 100644 --- a/fs/bcachefs/util.h +++ b/fs/bcachefs/util.h @@ -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) -- 2.50.1