diff options
| -rw-r--r-- | fs/nfs/nfs4proc.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 025116c66fef..c866e325577f 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4881,6 +4881,20 @@ nfs4_init_uniform_client_string(const struct nfs_client *clp, nodename); } +/* + * nfs4_callback_up_net() starts only "tcp" and "tcp6" callback + * services. Advertise one based on the address family of the + * clientaddr. + */ +static unsigned int +nfs4_init_callback_netid(const struct nfs_client *clp, char *buf, size_t len) +{ + if (strchr(clp->cl_ipaddr, ':') != NULL) + return scnprintf(buf, len, "tcp6"); + else + return scnprintf(buf, len, "tcp"); +} + /** * nfs4_proc_setclientid - Negotiate client ID * @clp: state data structure @@ -4922,12 +4936,10 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, setclientid.sc_name, sizeof(setclientid.sc_name)); /* cb_client4 */ - rcu_read_lock(); - setclientid.sc_netid_len = scnprintf(setclientid.sc_netid, - sizeof(setclientid.sc_netid), "%s", - rpc_peeraddr2str(clp->cl_rpcclient, - RPC_DISPLAY_NETID)); - rcu_read_unlock(); + setclientid.sc_netid_len = + nfs4_init_callback_netid(clp, + setclientid.sc_netid, + sizeof(setclientid.sc_netid)); setclientid.sc_uaddr_len = scnprintf(setclientid.sc_uaddr, sizeof(setclientid.sc_uaddr), "%s.%u.%u", clp->cl_ipaddr, port >> 8, port & 255); |