[RFC PATCH v2 4/5] lockref: use hq-spinlock

Anatoly Stepanov posted 5 patches 1 week, 6 days ago
[RFC PATCH v2 4/5] lockref: use hq-spinlock
Posted by Anatoly Stepanov 1 week, 6 days ago
- Example of HQ-spinlock enabled for dentry->lockref spinlock
  (used in Nginx testing scenario)

Signed-off-by: Anatoly Stepanov <stepanov.anatoly@huawei.com>

Co-authored-by: Stepanov Anatoly <stepanov.anatoly@huawei.com>
Co-authored-by: Fedorov Nikita <fedorov.nikita@h-partners.com>
---
 include/linux/lockref.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/lockref.h b/include/linux/lockref.h
index 676721ee8..294686604 100644
--- a/include/linux/lockref.h
+++ b/include/linux/lockref.h
@@ -42,7 +42,7 @@ struct lockref {
  */
 static inline void lockref_init(struct lockref *lockref)
 {
-	spin_lock_init(&lockref->lock);
+	spin_lock_init_hq(&lockref->lock);
 	lockref->count = 1;
 }
 
-- 
2.34.1