Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

[linux-2.6-omap-h63xx.git] / include / linux / sunrpc / svc.h

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 83b3c7b433aa452dae0e1e79028ba29171c1b9c3..4a7ae8ab6eb873e75aa2f14c59fc40332dd7da48 100644 (file)
--- 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 */