X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=include%2Flinux%2Fsunrpc%2Fcache.h;h=ece432b7f87f9fa6b46beb2dc860ae88b0f776d9;hb=c5b29f885afe;hp=7bf3e84b92f43c1e331040b735bf3faff67fd697;hpb=16bb85bc12e7d0b066b1471185f3889cb1ceb382;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 7bf3e84b92f4..ece432b7f87f 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -218,14 +218,42 @@ static inline int get_int(char **bpp, int *anint)
 	return 0;
 }
 
+/*
+ * timestamps kept in the cache are expressed in seconds
+ * since boot.  This is the best for measuring differences in
+ * real time.
+ */
+static inline time_t seconds_since_boot(void)
+{
+	struct timespec boot;
+	getboottime(&boot);
+	return get_seconds() - boot.tv_sec;
+}
+
+static inline time_t convert_to_wallclock(time_t sinceboot)
+{
+	struct timespec boot;
+	getboottime(&boot);
+	return boot.tv_sec + sinceboot;
+}
+
 static inline time_t get_expiry(char **bpp)
 {
 	int rv;
+	struct timespec boot;
+
 	if (get_int(bpp, &rv))
 		return 0;
 	if (rv < 0)
 		return 0;
-	return rv;
+	getboottime(&boot);
+	return rv - boot.tv_sec;
 }
 
+static inline void sunrpc_invalidate(struct cache_head *h,
+				     struct cache_detail *detail)
+{
+	h->expiry_time = seconds_since_boot() - 1;
+	detail->nextcheck = seconds_since_boot();
+}
 #endif /*  _LINUX_SUNRPC_CACHE_H_ */