X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fsunrpc%2Fcache.h;h=2d8b211b9324a2bed283048161472d57b13a5977;hb=68432a03f8ff93a9eecee95cc8f02e7fe2025cc9;hp=b5612c958ccef64d5437ca3f89dd7dd425023d58;hpb=5b67e8dd5ae889fea7d01b905a570fa9a37b8785;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index b5612c958cc..2d8b211b932 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -120,7 +120,6 @@ struct cache_deferred_req {
 	struct list_head	hash;	/* on hash chain */
 	struct list_head	recent; /* on fifo */
 	struct cache_head	*item;  /* cache item we wait on */
-	time_t			recv_time;
 	void			*owner; /* we might need to discard all defered requests
 					 * owned by someone */
 	void			(*revisit)(struct cache_deferred_req *req,
@@ -136,16 +135,6 @@ sunrpc_cache_update(struct cache_detail *detail,
 		    struct cache_head *new, struct cache_head *old, int hash);
 
 
-#define cache_for_each(pos, detail, index, member) 						\
-	for (({read_lock(&(detail)->hash_lock); index = (detail)->hash_size;}) ;		\
-	     ({if (index==0)read_unlock(&(detail)->hash_lock); index--;});			\
-		)										\
-		for (pos = container_of((detail)->hash_table[index], typeof(*pos), member);	\
-		     &pos->member;								\
-		     pos = container_of(pos->member.next, typeof(*pos), member))
-
-	     
-
 extern void cache_clean_deferred(void *owner);
 
 static inline struct cache_head  *cache_get(struct cache_head *h)
@@ -163,13 +152,24 @@ 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)
+{
+	/* 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));
+}
+
 extern int cache_check(struct cache_detail *detail,
 		       struct cache_head *h, struct cache_req *rqstp);
 extern void cache_flush(void);
 extern void cache_purge(struct cache_detail *detail);
 #define NEVER (0x7FFFFFFF)
-extern void cache_register(struct cache_detail *cd);
-extern int cache_unregister(struct cache_detail *cd);
+extern int cache_register(struct cache_detail *cd);
+extern void cache_unregister(struct cache_detail *cd);
 
 extern void qword_add(char **bpp, int *lp, char *str);
 extern void qword_addhex(char **bpp, int *lp, char *buf, int blen);