SUNRPC: use sockaddr + size when creating remote transport endpoints
Prepare for more generic transport endpoint handling needed by transports
that might use different forms of addressing, such as IPv6.
Introduce a single function call to replace the two-call
xprt_create_proto/rpc_create_client API. Define a new rpc_create_args
structure that allows callers to pass in remote endpoint addresses of
varying length.
Test-plan:
Compile kernel with CONFIG_NFS enabled.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index a26d695..7817ba8 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -97,6 +97,28 @@
struct rpc_clnt *rpc_new_client(struct rpc_xprt *xprt, char *servname,
struct rpc_program *info,
u32 version, rpc_authflavor_t authflavor);
+
+struct rpc_create_args {
+ int protocol;
+ struct sockaddr *address;
+ size_t addrsize;
+ struct rpc_timeout *timeout;
+ char *servername;
+ struct rpc_program *program;
+ u32 version;
+ rpc_authflavor_t authflavor;
+ unsigned long flags;
+};
+
+/* Values for "flags" field */
+#define RPC_CLNT_CREATE_HARDRTRY (1UL << 0)
+#define RPC_CLNT_CREATE_INTR (1UL << 1)
+#define RPC_CLNT_CREATE_AUTOBIND (1UL << 2)
+#define RPC_CLNT_CREATE_ONESHOT (1UL << 3)
+#define RPC_CLNT_CREATE_NONPRIVPORT (1UL << 4)
+#define RPC_CLNT_CREATE_NOPING (1UL << 5)
+
+struct rpc_clnt *rpc_create(struct rpc_create_args *args);
struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *,
struct rpc_program *, int);
struct rpc_clnt *rpc_clone_client(struct rpc_clnt *);