From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 13 Jun 2024 18:11:48 +0000 (-0400)
Subject: bcachefs: per_cpu_sum()
X-Git-Tag: v6.11-rc1~120^2~33
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=132e1a2380d06c31a17c773aac6c676658b9686a;p=thirdparty%2Fkernel%2Flinux.git

bcachefs: per_cpu_sum()

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---

diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h
index cd09edd12d8a5..2def4f761ca64 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)