X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fsunrpc%2Fsysctl.c;h=0f8c439b848a1eab04f0f21f2ea763863e424b2f;hb=8294fafdafc602ed11f401c44628fab8558c5cf5;hp=864b541bbf5171eb1a4b3338583af6dc2fe41c19;hpb=81f8320f624a785d77443ace83391d0fdee695f6;p=linux-2.6-omap-h63xx.git

diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c
index 864b541bbf5..0f8c439b848 100644
--- a/net/sunrpc/sysctl.c
+++ b/net/sunrpc/sysctl.c
@@ -18,14 +18,22 @@
 #include <linux/sunrpc/types.h>
 #include <linux/sunrpc/sched.h>
 #include <linux/sunrpc/stats.h>
+#include <linux/sunrpc/svc_xprt.h>
 
 /*
  * Declare the debug flags here
  */
 unsigned int	rpc_debug;
+EXPORT_SYMBOL_GPL(rpc_debug);
+
 unsigned int	nfs_debug;
+EXPORT_SYMBOL_GPL(nfs_debug);
+
 unsigned int	nfsd_debug;
+EXPORT_SYMBOL_GPL(nfsd_debug);
+
 unsigned int	nlm_debug;
+EXPORT_SYMBOL_GPL(nlm_debug);
 
 #ifdef RPC_DEBUG
 
@@ -48,6 +56,30 @@ rpc_unregister_sysctl(void)
 	}
 }
 
+static int proc_do_xprt(ctl_table *table, int write, struct file *file,
+			void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+	char tmpbuf[256];
+	int len;
+	if ((*ppos && !write) || !*lenp) {
+		*lenp = 0;
+		return 0;
+	}
+	if (write)
+		return -EINVAL;
+	else {
+		len = svc_print_xprts(tmpbuf, sizeof(tmpbuf));
+		if (!access_ok(VERIFY_WRITE, buffer, len))
+			return -EFAULT;
+
+		if (__copy_to_user(buffer, tmpbuf, len))
+			return -EFAULT;
+	}
+	*lenp -= len;
+	*ppos += len;
+	return 0;
+}
+
 static int
 proc_dodebug(ctl_table *table, int write, struct file *file,
 				void __user *buffer, size_t *lenp, loff_t *ppos)
@@ -87,9 +119,8 @@ proc_dodebug(ctl_table *table, int write, struct file *file,
 			left--, s++;
 		*(unsigned int *) table->data = value;
 		/* Display the RPC tasks on writing to rpc_debug */
-		if (table->ctl_name == CTL_RPCDEBUG) {
+		if (strcmp(table->procname, "rpc_debug") == 0)
 			rpc_show_tasks();
-		}
 	} else {
 		if (!access_ok(VERIFY_WRITE, buffer, left))
 			return -EFAULT;
@@ -141,6 +172,12 @@ static ctl_table debug_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dodebug
 	},
+	{
+		.procname	= "transports",
+		.maxlen		= 256,
+		.mode		= 0444,
+		.proc_handler	= &proc_do_xprt,
+	},
 	{ .ctl_name = 0 }
 };