seq_path
seq_path(m, &ek->ek_path, "\\ \t\n");
seq_path(m, &exp->ex_path, " \t\n\\");
seq_path(m, file_user_path(file), "");
seq_path(m, file_user_path(file), "\n\t= ");
seq_path(m, path, "\n");
seq_path(m, file_user_path(file), "");
EXPORT_SYMBOL(seq_path);
return seq_path(m, &file->f_path, esc);
int seq_path(struct seq_file *, const struct path *, const char *);