vfs: switch ->show_options() to struct dentry *

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 98efd2d..8a2a887 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -259,9 +259,9 @@
 	return 0;
 }
 
-static int hypfs_show_options(struct seq_file *s, struct vfsmount *mnt)
+static int hypfs_show_options(struct seq_file *s, struct dentry *root)
 {
-	struct hypfs_sb_info *hypfs_info = mnt->mnt_sb->s_fs_info;
+	struct hypfs_sb_info *hypfs_info = root->d_sb->s_fs_info;
 
 	seq_printf(s, ",uid=%u", hypfs_info->uid);
 	seq_printf(s, ",gid=%u", hypfs_info->gid);