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-rw-r--r--lib/kref.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/lib/kref.c b/lib/kref.c
index 9ecd6e865610..d3d227a08a4b 100644
--- a/lib/kref.c
+++ b/lib/kref.c
@@ -13,17 +13,7 @@
13 13
14#include <linux/kref.h> 14#include <linux/kref.h>
15#include <linux/module.h> 15#include <linux/module.h>
16 16#include <linux/slab.h>
17/**
18 * kref_set - initialize object and set refcount to requested number.
19 * @kref: object in question.
20 * @num: initial reference counter
21 */
22void kref_set(struct kref *kref, int num)
23{
24 atomic_set(&kref->refcount, num);
25 smp_mb();
26}
27 17
28/** 18/**
29 * kref_init - initialize object. 19 * kref_init - initialize object.
@@ -31,7 +21,8 @@ void kref_set(struct kref *kref, int num)
31 */ 21 */
32void kref_init(struct kref *kref) 22void kref_init(struct kref *kref)
33{ 23{
34 kref_set(kref, 1); 24 atomic_set(&kref->refcount, 1);
25 smp_mb();
35} 26}
36 27
37/** 28/**
@@ -71,7 +62,6 @@ int kref_put(struct kref *kref, void (*release)(struct kref *kref))
71 return 0; 62 return 0;
72} 63}
73 64
74EXPORT_SYMBOL(kref_set);
75EXPORT_SYMBOL(kref_init); 65EXPORT_SYMBOL(kref_init);
76EXPORT_SYMBOL(kref_get); 66EXPORT_SYMBOL(kref_get);
77EXPORT_SYMBOL(kref_put); 67EXPORT_SYMBOL(kref_put);