If the kernel is configured to support IPv6 and the RPC server can register
services via rpcbindv4, we are all set to enable IPv6 support for lockd.
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Cc: Aime Le Rouzic <aime.le-rouzic@xxxxxxxx>
---
fs/lockd/svc.c | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 50de426..582372d 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -53,6 +53,17 @@ static struct svc_rqst *nlmsvc_rqst;
unsigned long nlmsvc_timeout;
/*
+ * If the kernel has IPv6 support available, always listen for
+ * both AF_INET and AF_INET6 requests.
+ */
+#if (defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)) && \
+ defined(CONFIG_SUNRPC_REGISTER_V4)
+static const sa_family_t nlmsvc_family = AF_INET6;
+#else /* (CONFIG_IPV6 || CONFIG_IPV6_MODULE) && CONFIG_SUNRPC_REGISTER_V4 */
+static const sa_family_t nlmsvc_family = AF_INET;
+#endif /* (CONFIG_IPV6 || CONFIG_IPV6_MODULE) && CONFIG_SUNRPC_REGISTER_V4 */
+
+/*
* These can be set at insmod time (useful for NFS as root filesystem),
* and also changed through the sysctl interface. -- Jamie Lokier, Aug 2003
*/
@@ -250,7 +261,7 @@ int lockd_up(void)
"lockd_up: no pid, %d users??\n", nlmsvc_users);
error = -ENOMEM;
- serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, AF_INET, NULL);
+ serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, nlmsvc_family, NULL);
if (!serv) {
printk(KERN_WARNING "lockd_up: create service failed\n");
goto out;
--
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