Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  9p: fix a race condition bug in umount which caused a segfault
  9p: re-enable mount time debug option
  9p: cache meta-data when cache=loose
  net/9p: set error to EREMOTEIO if trans->write returns zero
  net/9p: change net/9p module name to 9pnet
  9p: Reorganization of 9p file system code

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);
+}