From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36E65C433EF for ; Fri, 20 May 2022 13:37:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349862AbiETNhZ (ORCPT ); Fri, 20 May 2022 09:37:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345592AbiETNhX (ORCPT ); Fri, 20 May 2022 09:37:23 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF9BBABF69 for ; Fri, 20 May 2022 06:37:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 9966CB82B05 for ; Fri, 20 May 2022 13:37:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9543EC385A9; Fri, 20 May 2022 13:37:18 +0000 (UTC) Authentication-Results: smtp.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="TWLjNSQQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zx2c4.com; s=20210105; t=1653053837; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=9Ssgv9imXNbu6BbEi8XDoZyaLG/tsht/Ay9PbMzrlyo=; b=TWLjNSQQhNiLeb03cZpOku8Fj9Hf1lDyPh4PmP29XsLyXT23g5wdxYt9CoeOh/qTYRuIrx nwrM5AqMNXV9CAPLJHlk6RzQaPKQ5fdpCiuf6KvMB5AorTUOvUhvu3em2/L+LMeqj4bQQH Hy1WClUG6bo7XzwAYbdysjZhLRsl9NQ= Received: by mail.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 26eb1d9c (TLSv1.3:AEAD-AES256-GCM-SHA384:256:NO); Fri, 20 May 2022 13:37:16 +0000 (UTC) Date: Fri, 20 May 2022 15:37:15 +0200 From: "Jason A. Donenfeld" To: Jens Axboe , Theodore Ts'o , Christoph Hellwig , LKML , Al Viro Subject: Re: [PATCH v4 1/3] random: convert to using fops->read_iter() Message-ID: References: <20220520094459.116240-1-Jason@zx2c4.com> <20220520094459.116240-2-Jason@zx2c4.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220520094459.116240-2-Jason@zx2c4.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 20, 2022 at 11:44:57AM +0200, Jason A. Donenfeld wrote: > const struct file_operations urandom_fops = { > - .read = urandom_read, > + .read_iter = urandom_read_iter, One thing I noticed is that drivers/char/mem.c has both the .read and the .read_iter functions for /dev/zero and /dev/null and such. I wonder if the .read ones can be removed? Jason