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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-04-30 17:52:40 +0200
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-04-30 17:58:51 +0200
commitcbbb34498f8b2b26cbdc79532c8a2ee5cd1e756a (patch)
treefaa27244aed8ab803846f85944775b0976a1975d
parentNFS: get module in idmap PipeFS notifier callback (diff)
downloadlinux-cbbb34498f8b2b26cbdc79532c8a2ee5cd1e756a.tar.xz
linux-cbbb34498f8b2b26cbdc79532c8a2ee5cd1e756a.zip
SUNRPC: RPC client must use the current utsname hostname string
Now that the rpc client is namespace aware, it needs to use the utsname of the process that created it instead of using the init_utsname. Both rpc_new_client and rpc_clone_client need to be fixed. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Stanislav Kinsbursky <skinsbursky@parallels.com>
-rw-r--r--net/sunrpc/clnt.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d127bd747527..adf2990acebf 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -279,6 +279,14 @@ void rpc_clients_notifier_unregister(void)
return rpc_pipefs_notifier_unregister(&rpc_clients_block);
}
+static void rpc_clnt_set_nodename(struct rpc_clnt *clnt, const char *nodename)
+{
+ clnt->cl_nodelen = strlen(nodename);
+ if (clnt->cl_nodelen > UNX_MAXNODENAME)
+ clnt->cl_nodelen = UNX_MAXNODENAME;
+ memcpy(clnt->cl_nodename, nodename, clnt->cl_nodelen);
+}
+
static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, struct rpc_xprt *xprt)
{
const struct rpc_program *program = args->program;
@@ -359,10 +367,7 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru
}
/* save the nodename */
- clnt->cl_nodelen = strlen(init_utsname()->nodename);
- if (clnt->cl_nodelen > UNX_MAXNODENAME)
- clnt->cl_nodelen = UNX_MAXNODENAME;
- memcpy(clnt->cl_nodename, init_utsname()->nodename, clnt->cl_nodelen);
+ rpc_clnt_set_nodename(clnt, utsname()->nodename);
rpc_register_client(clnt);
return clnt;
@@ -521,6 +526,7 @@ rpc_clone_client(struct rpc_clnt *clnt)
err = rpc_setup_pipedir(new, clnt->cl_program->pipe_dir_name);
if (err != 0)
goto out_no_path;
+ rpc_clnt_set_nodename(new, utsname()->nodename);
if (new->cl_auth)
atomic_inc(&new->cl_auth->au_count);
atomic_inc(&clnt->cl_count);