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authorStanislav Kinsbursky <skinsbursky@parallels.com>2013-06-24 11:52:52 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-06-28 23:42:16 +0400
commite73f4cc051199799aee4320f300f28ffb82f3eb1 (patch)
treefebba6f33716b75986666e2efc7a47b42882b16a /net/sunrpc
parentadb6fa7ffe9031857ec14b8aab75c9ab65556cbc (diff)
downloadlinux-e73f4cc051199799aee4320f300f28ffb82f3eb1.tar.xz
SUNRPC: split client creation routine into setup and registration
This helper moves all "registration" code to the new rpc_client_register() helper. This helper will be used later in the series to synchronize against PipeFS MOUNT/UMOUNT events. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/clnt.c64
1 files changed, 39 insertions, 25 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 41f180c5a498..b4f17117b779 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -281,14 +281,47 @@ static void rpc_clnt_set_nodename(struct rpc_clnt *clnt, const char *nodename)
memcpy(clnt->cl_nodename, nodename, clnt->cl_nodelen);
}
+static int rpc_client_register(const struct rpc_create_args *args,
+ struct rpc_clnt *clnt)
+{
+ const struct rpc_program *program = args->program;
+ struct rpc_auth *auth;
+ struct net *net = rpc_net_ns(clnt);
+ struct super_block *pipefs_sb;
+ int err = 0;
+
+ pipefs_sb = rpc_get_sb_net(net);
+ if (pipefs_sb) {
+ err = rpc_setup_pipedir(clnt, program->pipe_dir_name, pipefs_sb);
+ if (err)
+ goto out;
+ }
+
+ auth = rpcauth_create(args->authflavor, clnt);
+ if (IS_ERR(auth)) {
+ dprintk("RPC: Couldn't create auth handle (flavor %u)\n",
+ args->authflavor);
+ err = PTR_ERR(auth);
+ goto err_auth;
+ }
+
+ rpc_register_client(clnt);
+out:
+ if (pipefs_sb)
+ rpc_put_sb_net(net);
+ return err;
+
+err_auth:
+ __rpc_clnt_remove_pipedir(clnt);
+ goto out;
+}
+
static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, struct rpc_xprt *xprt)
{
const struct rpc_program *program = args->program;
const struct rpc_version *version;
struct rpc_clnt *clnt = NULL;
- struct rpc_auth *auth;
int err;
- struct super_block *pipefs_sb;
/* sanity check the name before trying to print it */
dprintk("RPC: creating %s client for %s (xprt %p)\n",
@@ -347,34 +380,15 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru
atomic_set(&clnt->cl_count, 1);
- pipefs_sb = rpc_get_sb_net(rpc_net_ns(clnt));
- if (pipefs_sb) {
- err = rpc_setup_pipedir(clnt, program->pipe_dir_name, pipefs_sb);
- if (err)
- goto out_no_path;
- }
-
- auth = rpcauth_create(args->authflavor, clnt);
- if (IS_ERR(auth)) {
- dprintk("RPC: Couldn't create auth handle (flavor %u)\n",
- args->authflavor);
- err = PTR_ERR(auth);
- goto out_no_auth;
- }
-
/* save the nodename */
rpc_clnt_set_nodename(clnt, utsname()->nodename);
- rpc_register_client(clnt);
- if (pipefs_sb)
- rpc_put_sb_net(rpc_net_ns(clnt));
+
+ err = rpc_client_register(args, clnt);
+ if (err)
+ goto out_no_path;
return clnt;
-out_no_auth:
- if (pipefs_sb)
- __rpc_clnt_remove_pipedir(clnt);
out_no_path:
- if (pipefs_sb)
- rpc_put_sb_net(rpc_net_ns(clnt));
kfree(clnt->cl_principal);
out_no_principal:
rpc_free_iostats(clnt->cl_metrics);