SUNRPC: clear svc transports lists helper introduced

This patch moves service transports deletion from service sockets lists to
separated function.
This is a precursor patch, which would be usefull with service shutdown in
network namespace context, introduced later in the series.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 11 insertions, 8 deletions

diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 50bf7c1c731c..493e70b72b71 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -950,11 +950,19 @@ static void svc_clear_pools(struct svc_serv *serv)
         }
 }
 
-void svc_close_all(struct svc_serv *serv)
+static void svc_clear_list(struct list_head *xprt_list)
 {
         struct svc_xprt *xprt;
         struct svc_xprt *tmp;
 
+        list_for_each_entry_safe(xprt, tmp, xprt_list, xpt_list) {
+                svc_delete_xprt(xprt);
+        }
+        BUG_ON(!list_empty(xprt_list));
+}
+
+void svc_close_all(struct svc_serv *serv)
+{
         svc_close_list(&serv->sv_tempsocks);
         svc_close_list(&serv->sv_permsocks);
 
@@ -964,13 +972,8 @@ void svc_close_all(struct svc_serv *serv)
          * svc_enqueue will not add new entries without taking the
          * sp_lock and checking XPT_BUSY.
          */
-        list_for_each_entry_safe(xprt, tmp, &serv->sv_tempsocks, xpt_list)
-                svc_delete_xprt(xprt);
-        list_for_each_entry_safe(xprt, tmp, &serv->sv_permsocks, xpt_list)
-                svc_delete_xprt(xprt);
-
-        BUG_ON(!list_empty(&serv->sv_permsocks));
-        BUG_ON(!list_empty(&serv->sv_tempsocks));
+        svc_clear_list(&serv->sv_tempsocks);
+        svc_clear_list(&serv->sv_permsocks);
 }
 
 /*