From bc25571e21e8bd053554209f5b1b228ad71e6b99 Mon Sep 17 00:00:00 2001 From: "\\\"Talpey, Thomas\\" Date: Mon, 10 Sep 2007 13:46:39 -0400 Subject: SUNRPC: Finish API to load RPC transport implementations dynamically Allow RPC client transport implementations to be loaded as needed, or as they become available from distributors or third-party vendors. Note that we leave the IP sockets implementation in sunrpc.o permanently, as IP functionality is always available in any kernel that runs NFS. Signed-off-by: Chuck Lever Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprt.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) (limited to 'net/sunrpc/xprt.c') diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 520859622af5..7f8c60b84396 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -983,19 +983,23 @@ struct rpc_xprt *xprt_create_transport(struct rpc_xprtsock_create *args) { struct rpc_xprt *xprt; struct rpc_rqst *req; + struct xprt_class *t; - switch (args->proto) { - case IPPROTO_UDP: - xprt = xs_setup_udp(args); - break; - case IPPROTO_TCP: - xprt = xs_setup_tcp(args); - break; - default: - printk(KERN_ERR "RPC: unrecognized transport protocol: %d\n", - args->proto); - return ERR_PTR(-EIO); + spin_lock(&xprt_list_lock); + list_for_each_entry(t, &xprt_list, list) { + if ((t->family == args->dstaddr->sa_family) && + (t->protocol == args->proto)) { + spin_unlock(&xprt_list_lock); + goto found; + } } + spin_unlock(&xprt_list_lock); + printk(KERN_ERR "RPC: transport (%u/%d) not supported\n", + args->dstaddr->sa_family, args->proto); + return ERR_PTR(-EIO); + +found: + xprt = t->setup(args); if (IS_ERR(xprt)) { dprintk("RPC: xprt_create_transport: failed, %ld\n", -PTR_ERR(xprt)); -- cgit v1.2.3