X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fsunrpc%2Fsvc.h;h=4a7ae8ab6eb873e75aa2f14c59fc40332dd7da48;hb=de5603748af8bf7deac403e6ba92887f8d18e812;hp=83b3c7b433aa452dae0e1e79028ba29171c1b9c3;hpb=7baca6ad0ef09c8a78d798c93a3ce25336e8f50f;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 83b3c7b433a..4a7ae8ab6eb 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -194,9 +194,7 @@ static inline void svc_putu32(struct kvec *iov, __be32 val)
 
 union svc_addr_u {
     struct in_addr	addr;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
     struct in6_addr	addr6;
-#endif
 };
 
 /*
@@ -398,4 +396,23 @@ char *		   svc_print_addr(struct svc_rqst *, char *, size_t);
 
 #define	RPC_MAX_ADDRBUFLEN	(63U)
 
+/*
+ * When we want to reduce the size of the reserved space in the response
+ * buffer, we need to take into account the size of any checksum data that
+ * may be at the end of the packet. This is difficult to determine exactly
+ * for all cases without actually generating the checksum, so we just use a
+ * static value.
+ */
+static inline void
+svc_reserve_auth(struct svc_rqst *rqstp, int space)
+{
+	int			added_space = 0;
+
+	switch(rqstp->rq_authop->flavour) {
+		case RPC_AUTH_GSS:
+			added_space = RPC_MAX_AUTH_SIZE;
+	}
+	return svc_reserve(rqstp, space + added_space);
+}
+
 #endif /* SUNRPC_SVC_H */