[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/fs/nfs/sysctl.c b/src/kernel/linux/v4.14/fs/nfs/sysctl.c
new file mode 100644
index 0000000..7aea195
--- /dev/null
+++ b/src/kernel/linux/v4.14/fs/nfs/sysctl.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/fs/nfs/sysctl.c
+ *
+ * Sysctl interface to NFS parameters
+ */
+#include <linux/types.h>
+#include <linux/linkage.h>
+#include <linux/ctype.h>
+#include <linux/fs.h>
+#include <linux/sysctl.h>
+#include <linux/module.h>
+#include <linux/nfs_fs.h>
+
+static struct ctl_table_header *nfs_callback_sysctl_table;
+
+static struct ctl_table nfs_cb_sysctls[] = {
+ {
+ .procname = "nfs_mountpoint_timeout",
+ .data = &nfs_mountpoint_expiry_timeout,
+ .maxlen = sizeof(nfs_mountpoint_expiry_timeout),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_jiffies,
+ },
+ {
+ .procname = "nfs_congestion_kb",
+ .data = &nfs_congestion_kb,
+ .maxlen = sizeof(nfs_congestion_kb),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ { }
+};
+
+static struct ctl_table nfs_cb_sysctl_dir[] = {
+ {
+ .procname = "nfs",
+ .mode = 0555,
+ .child = nfs_cb_sysctls,
+ },
+ { }
+};
+
+static struct ctl_table nfs_cb_sysctl_root[] = {
+ {
+ .procname = "fs",
+ .mode = 0555,
+ .child = nfs_cb_sysctl_dir,
+ },
+ { }
+};
+
+int nfs_register_sysctl(void)
+{
+ nfs_callback_sysctl_table = register_sysctl_table(nfs_cb_sysctl_root);
+ if (nfs_callback_sysctl_table == NULL)
+ return -ENOMEM;
+ return 0;
+}
+
+void nfs_unregister_sysctl(void)
+{
+ unregister_sysctl_table(nfs_callback_sysctl_table);
+ nfs_callback_sysctl_table = NULL;
+}