On Fri, Jun 26, 2020 at 09:58:35AM +0200, Christoph Hellwig wrote: > +static void warn_unsupported(struct file *file, const char *op) > +{ > + char pathname[128], *path; > + > + path = file_path(file, pathname, sizeof(pathname)); > + if (IS_ERR(path)) > + path = "(unknown)"; > + pr_warn_ratelimited( > + "kernel %s not supported for file %s (pid: %d comm: %.20s)\n", > + op, path, current->pid, current->comm); > +} > + how about just: pr_warn_ratelimited( "kernel %s not supported for file %pD4 (pid: %d comm: %.20s)\n", op, file, current->pid, current->comm); also, is the pid really that interesting?