[PATCH RT 2/4] u64_stats: Introduce u64_stats_set()

[zanussi@kernel.org]

From: "Ahmed S. Darwish" <a.darwish@linutronix.de>

v5.4.290-rt96-rc1 stable review patch.
If anyone has any objections, please let me know.

-----------


[ 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: Tom Zanussi <zanussi@kernel.org>
---
 include/linux/u64_stats_sync.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h
index a1f656fc317e6..cae87feb82d6e 100644
--- a/include/linux/u64_stats_sync.h
+++ b/include/linux/u64_stats_sync.h
@@ -80,6 +80,11 @@ 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);
@@ -101,6 +106,11 @@ 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;
-- 
2.43.0