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authorBryan Schumaker <bjschuma@netapp.com>2012-07-30 16:05:22 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-07-30 19:06:31 -0400
commitfac1e8e4ef417e958060a6c3a061cc1a180bd8ae (patch)
tree1ddba7b104171b39c9985610715049409cd7916e /fs/nfs/super.c
parent19d87ca3623956494b517f3abe0caf2616d55457 (diff)
downloadleg-kernel-fac1e8e4ef417e958060a6c3a061cc1a180bd8ae.tar.gz
NFS: Keep module parameters in the generic NFS client
Otherwise we break backwards compatibility when v4 becomes a modules. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/super.c')
-rw-r--r--fs/nfs/super.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index a275d19ae512..8e0da5a6b3c5 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2574,4 +2574,49 @@ out_no_address:
return -EINVAL;
}
+/*
+ * NFS v4 module parameters need to stay in the
+ * NFS client for backwards compatibility
+ */
+unsigned int nfs_callback_set_tcpport;
+unsigned short nfs_callback_tcpport;
+/* Default cache timeout is 10 minutes */
+unsigned int nfs_idmap_cache_timeout = 600;
+/* Turn off NFSv4 uid/gid mapping when using AUTH_SYS */
+bool nfs4_disable_idmapping = true;
+unsigned short max_session_slots = NFS4_DEF_SLOT_TABLE_SIZE;
+unsigned short send_implementation_id = 1;
+
+#define NFS_CALLBACK_MAXPORTNR (65535U)
+
+static int param_set_portnr(const char *val, const struct kernel_param *kp)
+{
+ unsigned long num;
+ int ret;
+
+ if (!val)
+ return -EINVAL;
+ ret = strict_strtoul(val, 0, &num);
+ if (ret == -EINVAL || num > NFS_CALLBACK_MAXPORTNR)
+ return -EINVAL;
+ *((unsigned int *)kp->arg) = num;
+ return 0;
+}
+static struct kernel_param_ops param_ops_portnr = {
+ .set = param_set_portnr,
+ .get = param_get_uint,
+};
+#define param_check_portnr(name, p) __param_check(name, p, unsigned int);
+
+module_param_named(callback_tcpport, nfs_callback_set_tcpport, portnr, 0644);
+module_param(nfs_idmap_cache_timeout, int, 0644);
+module_param(nfs4_disable_idmapping, bool, 0644);
+MODULE_PARM_DESC(nfs4_disable_idmapping,
+ "Turn off NFSv4 idmapping when using 'sec=sys'");
+module_param(max_session_slots, ushort, 0644);
+MODULE_PARM_DESC(max_session_slots, "Maximum number of outstanding NFSv4.1 "
+ "requests the client will negotiate");
+module_param(send_implementation_id, ushort, 0644);
+MODULE_PARM_DESC(send_implementation_id,
+ "Send implementation ID with NFSv4.1 exchange_id");
#endif /* CONFIG_NFS_V4 */