[PATCH] switch nfsd to kern_path()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 97543df..e3f9783 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -341,7 +341,7 @@
 
 static ssize_t failover_unlock_fs(struct file *file, char *buf, size_t size)
 {
-	struct nameidata nd;
+	struct path path;
 	char *fo_path;
 	int error;
 
@@ -356,13 +356,13 @@
 	if (qword_get(&buf, fo_path, size) < 0)
 		return -EINVAL;
 
-	error = path_lookup(fo_path, 0, &nd);
+	error = kern_path(fo_path, 0, &path);
 	if (error)
 		return error;
 
-	error = nlmsvc_unlock_all_by_sb(nd.path.mnt->mnt_sb);
+	error = nlmsvc_unlock_all_by_sb(path.mnt->mnt_sb);
 
-	path_put(&nd.path);
+	path_put(&path);
 	return error;
 }