3 files changed, 15 insertions, 0 deletions

diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index b5612c958cce..3699dff7db8f 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -163,6 +163,17 @@ 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);
diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h
index a6601650deeb..de92619b0826 100644
--- a/include/linux/sunrpc/svcauth.h
+++ b/include/linux/sunrpc/svcauth.h
@@ -126,6 +126,7 @@ extern struct auth_domain *auth_domain_find(char *name);
 extern struct auth_domain *auth_unix_lookup(struct in_addr addr);
 extern int auth_unix_forget_old(struct auth_domain *dom);
 extern void svcauth_unix_purge(void);
+extern void svcauth_unix_info_release(void *);
 
 static inline unsigned long hash_str(char *name, int bits)
 {
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index 4c296152cbfa..98b21ad370fd 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -54,6 +54,9 @@ struct svc_sock {
         int                     sk_reclen;      /* length of record */
         int                     sk_tcplen;      /* current read length */
         time_t                  sk_lastrecv;    /* time of last received request */
+
+        /* cache of various info for TCP sockets */
+        void                    *sk_info_authunix;
 };
 
 /*