diff options
| author | \"Talpey, Thomas\ <Thomas.Talpey@netapp.com> | 2007-09-10 13:46:39 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-10-09 17:17:42 -0400 |
| commit | bc25571e21e8bd053554209f5b1b228ad71e6b99 (patch) | |
| tree | 4c008cc445f24c6b5501b2867b8ba7a752b5d710 /net/sunrpc/xprt.c | |
| parent | 81c098af3da7981902e9f8163aeccc2467c4ba6d (diff) | |
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 <chuck.lever@oracle.com>
Signed-off-by: Tom Talpey <tmt@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/xprt.c')
| -rw-r--r-- | net/sunrpc/xprt.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 520859622af..7f8c60b8439 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)); |