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SUNRPC: Add a convenient default for the hostname when calling rpc_create()

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A couple of callers just use a stringified IP address for the rpc client's
hostname.  Move the logic for constructing this into rpc_create(), so it can
be shared.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
2007-07-01 12:13:22 -04:00
committed by Trond Myklebust
parent 45160d6275
commit 43780b87fa
3 changed files with 17 additions and 15 deletions
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13
net/sunrpc/clnt.c
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@@ -234,12 +234,25 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
{
struct rpc_xprt *xprt;
struct rpc_clnt *clnt;
char servername[20];
xprt = xprt_create_transport(args->protocol, args->address,
args->addrsize, args->timeout);
if (IS_ERR(xprt))
return (struct rpc_clnt *)xprt;
/*
* If the caller chooses not to specify a hostname, whip
* up a string representation of the passed-in address.
*/
if (args->servername == NULL) {
struct sockaddr_in *addr =
(struct sockaddr_in *) &args->address;
snprintf(servername, sizeof(servername), NIPQUAD_FMT,
NIPQUAD(addr->sin_addr.s_addr));
args->servername = servername;
}
/*
* By default, kernel RPC client connects from a reserved port.
* CAP_NET_BIND_SERVICE will not be set for unprivileged requesters,