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[5.10-rt,1/2] u64_stats: Introduce u64_stats_set()

Message ID a9bacf04c1b0b77a95ffed4e6fe0b2f6e72cb14b.1740159866.git.jan.kiszka@siemens.com
State New
Headers show
Series backport of RT fix for nft counter | expand

Commit Message

Jan Kiszka Feb. 21, 2025, 5:44 p.m. UTC 
From: Ahmed S. Darwish <a.darwish@linutronix.de>

[ Upstream commit f2efdb17928924c9c935c136dea764a081032006 ]

Allow to directly set a u64_stats_t value which is used to provide an init
function which sets it directly to zero intead of memset() the value.

Add u64_stats_set() to the u64_stats API.

[bigeasy: commit message. ]

Signed-off-by: Ahmed S. Darwish <a.darwish@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 include/linux/u64_stats_sync.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h
index f23192d555285..af6fc08d2fcac 100644
--- a/include/linux/u64_stats_sync.h
+++ b/include/linux/u64_stats_sync.h
@@ -83,6 +83,11 @@  static inline u64 u64_stats_read(const u64_stats_t *p)
 	return local64_read(&p->v);
 }
 
+static inline void u64_stats_set(u64_stats_t *p, u64 val)
+{
+	local64_set(&p->v, val);
+}
+
 static inline void u64_stats_add(u64_stats_t *p, unsigned long val)
 {
 	local64_add(val, &p->v);
@@ -104,6 +109,11 @@  static inline u64 u64_stats_read(const u64_stats_t *p)
 	return p->v;
 }
 
+static inline void u64_stats_set(u64_stats_t *p, u64 val)
+{
+	p->v = val;
+}
+
 static inline void u64_stats_add(u64_stats_t *p, unsigned long val)
 {
 	p->v += val;