NFSv4: Fix the 'nolock' option regression
NFSv4 should just ignore the 'nolock' option. It is an NFSv2/v3 thing...
This fixes the Oops in http://bugzilla.kernel.org/show_bug.cgi?id=13330
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 26127b6..98b47d1 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2240,6 +2240,11 @@
nfs_initialise_sb(sb);
}
+static void nfs4_validate_mount_flags(struct nfs_parsed_mount_data *args)
+{
+ args->flags &= ~(NFS_MOUNT_NONLM|NFS_MOUNT_NOACL|NFS_MOUNT_VER3);
+}
+
/*
* Validate NFSv4 mount options
*/
@@ -2336,6 +2341,8 @@
nfs_validate_transport_protocol(args);
+ nfs4_validate_mount_flags(args);
+
if (args->auth_flavor_len > 1)
goto out_inval_auth;