9p: Reorganization of 9p file system code

This patchset moves non-filesystem interfaces of v9fs from fs/9p to net/9p.
It moves the transport, packet marshalling and connection layers to net/9p
leaving only the VFS related files in fs/9p.  This work is being done in
preparation for in-kernel 9p servers as well as alternate 9p clients (other
than VFS).

Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

1 files changed, 86 insertions, 0 deletions

diff --git a/net/9p/sysctl.c b/net/9p/sysctl.c
new file mode 100644
index 000000000000..e7fe706ab95a
--- /dev/null
+++ b/net/9p/sysctl.c
@@ -0,0 +1,86 @@
+/*
+ *  net/9p/sysctl.c
+ *
+ *  9P sysctl interface
+ *
+ *  Copyright (C) 2007 by Latchesar Ionkov <lucho@ionkov.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to:
+ *  Free Software Foundation
+ *  51 Franklin Street, Fifth Floor
+ *  Boston, MA  02111-1301  USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/sysctl.h>
+#include <linux/init.h>
+#include <net/9p/9p.h>
+
+enum {
+        P9_SYSCTL_NET = 487,
+        P9_SYSCTL_DEBUG = 1,
+};
+
+static ctl_table p9_table[] = {
+#ifdef CONFIG_NET_9P_DEBUG
+        {
+                .ctl_name       = P9_SYSCTL_DEBUG,
+                .procname       = "debug",
+                .data           = &p9_debug_level,
+                .maxlen         = sizeof(int),
+                .mode           = 0644,
+                .proc_handler   = &proc_dointvec
+        },
+#endif
+        {       .ctl_name       = 0 },
+};
+
+static ctl_table p9_net_table[] = {
+        {
+                .ctl_name       = P9_SYSCTL_NET,
+                .procname       = "9p",
+                .maxlen         = 0,
+                .mode           = 0555,
+                .child          = p9_table,
+        },
+        {       .ctl_name       = 0 },
+};
+
+static ctl_table p9_ctl_table[] = {
+        {
+                .ctl_name       = CTL_NET,
+                .procname       = "net",
+                .maxlen         = 0,
+                .mode           = 0555,
+                .child          = p9_net_table,
+        },
+        {       .ctl_name       = 0 },
+};
+
+static struct ctl_table_header *p9_table_header;
+
+int __init p9_sysctl_register(void)
+{
+        p9_table_header = register_sysctl_table(p9_ctl_table);
+        if (!p9_table_header)
+                return -ENOMEM;
+
+        return 0;
+}
+
+void __exit p9_sysctl_unregister(void)
+{
+         unregister_sysctl_table(p9_table_header);
+}