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authorBryan Schumaker <bjschuma@netapp.com>2012-07-16 16:39:14 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-07-17 13:33:18 -0400
commit466bfe7f4a5bee4cdd73d3f6bd290173a8c75a40 (patch)
tree1b05eafffa8d48b9ba89bde693495daa80395d56 /fs/nfs/nfs4sysctl.c
parent129d1977ed39cbb4f091a518e4a12498c04f45ba (diff)
NFS: Initialize v4 sysctls from nfs_init_v4()
And split them out of the generic client into their own file. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4sysctl.c')
-rw-r--r--fs/nfs/nfs4sysctl.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/fs/nfs/nfs4sysctl.c b/fs/nfs/nfs4sysctl.c
new file mode 100644
index 000000000000..5729bc8aa75d
--- /dev/null
+++ b/fs/nfs/nfs4sysctl.c
@@ -0,0 +1,68 @@
+/*
+ * linux/fs/nfs/nfs4sysctl.c
+ *
+ * Sysctl interface to NFS v4 parameters
+ *
+ * Copyright (c) 2006 Trond Myklebust <Trond.Myklebust@netapp.com>
+ */
+#include <linux/sysctl.h>
+#include <linux/nfs_idmap.h>
+#include <linux/nfs_fs.h>
+
+#include "callback.h"
+
+static const int nfs_set_port_min = 0;
+static const int nfs_set_port_max = 65535;
+static struct ctl_table_header *nfs4_callback_sysctl_table;
+
+static ctl_table nfs4_cb_sysctls[] = {
+ {
+ .procname = "nfs_callback_tcpport",
+ .data = &nfs_callback_set_tcpport,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = (int *)&nfs_set_port_min,
+ .extra2 = (int *)&nfs_set_port_max,
+ },
+ {
+ .procname = "idmap_cache_timeout",
+ .data = &nfs_idmap_cache_timeout,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_jiffies,
+ },
+ { }
+};
+
+static ctl_table nfs4_cb_sysctl_dir[] = {
+ {
+ .procname = "nfs",
+ .mode = 0555,
+ .child = nfs4_cb_sysctls,
+ },
+ { }
+};
+
+static ctl_table nfs4_cb_sysctl_root[] = {
+ {
+ .procname = "fs",
+ .mode = 0555,
+ .child = nfs4_cb_sysctl_dir,
+ },
+ { }
+};
+
+int nfs4_register_sysctl(void)
+{
+ nfs4_callback_sysctl_table = register_sysctl_table(nfs4_cb_sysctl_root);
+ if (nfs4_callback_sysctl_table == NULL)
+ return -ENOMEM;
+ return 0;
+}
+
+void nfs4_unregister_sysctl(void)
+{
+ unregister_sysctl_table(nfs4_callback_sysctl_table);
+ nfs4_callback_sysctl_table = NULL;
+}