From 28588d3170a4185122ca2ce1d33ef350703db969 Mon Sep 17 00:00:00 2001
From: Alexander Scheel <ascheel@redhat.com>
Date: Jun 26 2017 21:21:00 +0000
Subject: Conditionally reload kernel interface on SIGHUP


Signed-off-by: Alexander Scheel <ascheel@redhat.com>
[rharwood@redhat.com: Simplified logic, rewrote commit message]
Reviewed-by: Robbie Harwood <rharwood@redhat.com>
Resolves: #193
Merges: #201

---

diff --git a/proxy/src/gp_init.c b/proxy/src/gp_init.c
index db56f1c..f64e22c 100644
--- a/proxy/src/gp_init.c
+++ b/proxy/src/gp_init.c
@@ -145,6 +145,7 @@ void init_proc_nfsd(struct gp_config *cfg)
     char buf[] = "1";
     bool enabled = false;
     int fd, ret;
+    static int poked = 0;
 
     /* check first if any service enabled kernel support */
     for (int i = 0; i < cfg->num_svcs; i++) {
@@ -154,7 +155,7 @@ void init_proc_nfsd(struct gp_config *cfg)
         }
     }
 
-    if (!enabled) {
+    if (!enabled || poked) {
         return;
     }
 
@@ -175,6 +176,7 @@ void init_proc_nfsd(struct gp_config *cfg)
         goto fail;
     }
 
+    poked = 1;
     close(fd);
     return;
 fail:
diff --git a/proxy/src/gssproxy.c b/proxy/src/gssproxy.c
index 9ffec5e..3cdc220 100644
--- a/proxy/src/gssproxy.c
+++ b/proxy/src/gssproxy.c
@@ -140,6 +140,9 @@ static void hup_handler(verto_ctx *vctx, verto_ev *ev UNUSED)
         exit(ret);
     }
 
+    /* conditionally reload kernel interface */
+    init_proc_nfsd(gpctx->config);
+
     free_config(&old_config);
 
     GPDEBUG("New config loaded successfully.\n");