Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzi...
[sfrench/cifs-2.6.git] / lib / kref.c
index a6dc3ec328e05fc8da4d69d185d13a5758ac0464..9ecd6e86561034f2a097bcc027765704e124f7df 100644 (file)
 #include <linux/kref.h>
 #include <linux/module.h>
 
+/**
+ * kref_set - initialize object and set refcount to requested number.
+ * @kref: object in question.
+ * @num: initial reference counter
+ */
+void kref_set(struct kref *kref, int num)
+{
+       atomic_set(&kref->refcount, num);
+       smp_mb();
+}
+
 /**
  * kref_init - initialize object.
  * @kref: object in question.
  */
 void kref_init(struct kref *kref)
 {
-       atomic_set(&kref->refcount,1);
-       smp_mb();
+       kref_set(kref, 1);
 }
 
 /**
@@ -61,6 +71,7 @@ int kref_put(struct kref *kref, void (*release)(struct kref *kref))
        return 0;
 }
 
+EXPORT_SYMBOL(kref_set);
 EXPORT_SYMBOL(kref_init);
 EXPORT_SYMBOL(kref_get);
 EXPORT_SYMBOL(kref_put);