1 files changed, 22 insertions, 27 deletions

diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 303399b1ba59..6ce690de447f 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -57,6 +57,7 @@ struct cache_head {
 #define CACHE_VALID     0       /* Entry contains valid data */
 #define CACHE_NEGATIVE  1       /* Negative entry - there is no match for the key */
 #define CACHE_PENDING   2       /* An upcall has been sent but no reply received yet*/
+#define CACHE_CLEANED   3       /* Entry has been cleaned from cache */
 
 #define CACHE_NEW_EXPIRY 120    /* keep new things pending confirmation for 120 seconds */
 
@@ -148,6 +149,24 @@ struct cache_deferred_req {
                                            int too_many);
 };
 
+/*
+ * 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;
+}
 
 extern const struct file_operations cache_file_operations_pipefs;
 extern const struct file_operations content_file_operations_pipefs;
@@ -181,15 +200,10 @@ static inline void cache_put(struct cache_head *h, struct cache_detail *cd)
         kref_put(&h->ref, cd->cache_put);
 }
 
-static inline int cache_valid(struct cache_head *h)
+static inline int cache_is_expired(struct cache_detail *detail, struct cache_head *h)
 {
-        /* If an item has been unhashed pending removal when
-         * the refcount drops to 0, the expiry_time will be
-         * set to 0.  We don't want to consider such items
-         * valid in this context even though CACHE_VALID is
-         * set.
-         */
-        return (h->expiry_time != 0 && test_bit(CACHE_VALID, &h->flags));
+        return  (h->expiry_time < seconds_since_boot()) ||
+                (detail->flush_time > h->last_refresh);
 }
 
 extern int cache_check(struct cache_detail *detail,
@@ -250,25 +264,6 @@ static inline int get_uint(char **bpp, unsigned 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;