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 X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF7C5C10F05 for ; Fri, 29 Mar 2019 08:48:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 86BB921773 for ; Fri, 29 Mar 2019 08:48:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=nic.cz header.i=@nic.cz header.b="LWY2W9iI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729215AbfC2Is0 (ORCPT ); Fri, 29 Mar 2019 04:48:26 -0400 Received: from mail.nic.cz ([217.31.204.67]:43078 "EHLO mail.nic.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729073AbfC2IsZ (ORCPT ); Fri, 29 Mar 2019 04:48:25 -0400 Received: from localhost (unknown [172.20.6.218]) by mail.nic.cz (Postfix) with ESMTPS id 258EA63254; Fri, 29 Mar 2019 09:48:24 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1553849304; bh=AgkAYS9ByYUk0PRWfebCOMogVjogsATh/yCeLjamddg=; h=Date:From:To; b=LWY2W9iIhgFk5ah+OsTo7G9DBml5wPD5DPjPTfUY5Y9MHnkLR8ctsNZrdxvZqOj4s 4f/2Q8f591664I5fLNRW3hBmYh/s7YnC6RGh0dMp3Y5AVM/3hTN91ack0L9pwfIl53 W6P3Lh5kVa4U6kmpooYsCfTeo/UPtTII+lNDBB90= Date: Fri, 29 Mar 2019 09:48:23 +0100 From: Marek Behun To: Pavel Machek Cc: Greg Kroah-Hartman , Tejun Heo , linux-kernel@vger.kernel.org, Jacek Anaszewski Subject: Re: kernfs: can read/write method grow buffer size? Message-ID: <20190329094823.426d7ed8@nic.cz> In-Reply-To: <20190329083440.GA12945@amd> References: <20190329040922.34ab01c6@nic.cz> <20190329062253.GA9659@kroah.com> <20190329083440.GA12945@amd> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.99.2 at mail X-Virus-Status: Clean Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > pavel@amd:~/cip$ cat /sys/power/state > freeze mem disk > pavel@amd:~/cip$ cat /sys/class/leds/phy0-led/trigger > none bluetooth-power rfkill-any rfkill-none kbd-scrolllock kbd-numlock > kbd-capslock kbd-kanalock kbd-shiftlock kbd-altgrlock kbd-ctrllock > kbd-altlock kbd-shiftllock kbd-shiftrlock kbd-ctrlllock kbd-ctrlrlock > AC-online BAT0-charging-or-full BAT0-charging BAT0-full > BAT0-charging-blink-full-solid rfkill0 phy0rx phy0tx phy0assoc > phy0radio [phy0tpt] mmc0 timer heartbeat audio-mute audio-micmute > rfkill1 hci0-power rfkill8 > pavel@amd:~/cip$ > Yes, and cpufreq governors too list available governosrs as space separated list. Maybe the "one value per file" rule was thought-of only after these were merged? Marek