SUNRPC: make SUNPRC clients list per network namespace context

This patch moves static SUNRPC clients list and it's lock to sunrpc_net
structure.
Currently this list is used only for debug purposes. But later it will be used
also for selecting clients by networks namespace on PipeFS mount/umount events.
Per-network namespace lists will make this faster and simplier.

Note: client list is taken from "init_net" network namespace context in
rpc_show_tasks(). This will be changed some day later with making SUNRPC
sysctl's per network namespace context.

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

1 files changed, 3 insertions, 1 deletions

diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c
index e65dcc61333..af7d339add9 100644
--- a/net/sunrpc/sysctl.c
+++ b/net/sunrpc/sysctl.c
@@ -20,6 +20,8 @@
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/svc_xprt.h>
 
+#include "netns.h"
+
 /*
  * Declare the debug flags here
  */
@@ -110,7 +112,7 @@ proc_dodebug(ctl_table *table, int write,
                 *(unsigned int *) table->data = value;
                 /* Display the RPC tasks on writing to rpc_debug */
                 if (strcmp(table->procname, "rpc_debug") == 0)
-                        rpc_show_tasks();
+                        rpc_show_tasks(&init_net);
         } else {
                 if (!access_ok(VERIFY_WRITE, buffer, left))
                         return -EFAULT;