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>

diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 50bf7c1..493e70b 100644 (file)
--- 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);
 }
 
 /*