From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:46080 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752808Ab2JLDTt (ORCPT ); Thu, 11 Oct 2012 23:19:49 -0400 Received: from m2.gw.fujitsu.co.jp (unknown [10.0.50.72]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id A927D3EE0AE for ; Fri, 12 Oct 2012 12:19:47 +0900 (JST) Received: from smail (m2 [127.0.0.1]) by outgoing.m2.gw.fujitsu.co.jp (Postfix) with ESMTP id 91CE645DE4D for ; Fri, 12 Oct 2012 12:19:47 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (s2.gw.fujitsu.co.jp [10.0.50.92]) by m2.gw.fujitsu.co.jp (Postfix) with ESMTP id 7B4D045DD78 for ; Fri, 12 Oct 2012 12:19:47 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id 6F2221DB8038 for ; Fri, 12 Oct 2012 12:19:47 +0900 (JST) Received: from ml14.s.css.fujitsu.com (ml14.s.css.fujitsu.com [10.240.81.134]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id 29E911DB802C for ; Fri, 12 Oct 2012 12:19:47 +0900 (JST) Received: from ml14.css.fujitsu.com (ml14 [127.0.0.1]) by ml14.s.css.fujitsu.com (Postfix) with ESMTP id ED1319F79A0 for ; Fri, 12 Oct 2012 12:19:46 +0900 (JST) Received: from [127.0.0.1] (unknown [10.124.101.110]) by ml14.s.css.fujitsu.com (Postfix) with ESMTP id 833349F7986 for ; Fri, 12 Oct 2012 12:19:46 +0900 (JST) Message-ID: <50778C1D.4060807@jp.fujitsu.com> Date: Fri, 12 Oct 2012 12:18:53 +0900 From: Hidetoshi Seto MIME-Version: 1.0 To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 0/4] Btrfs: set mount options permanently Content-Type: text/plain; charset=ISO-2022-JP Sender: linux-btrfs-owner@vger.kernel.org List-ID: Following patches are going to implement one of unclaimed features listed in the btrfs wiki: https://btrfs.wiki.kernel.org/index.php/Project_ideas#Set_mount_options_permanently Previous v1 post and discussion can be referred from: http://lwn.net/Articles/516898/ v2: - Allow operator [+-=] like chmod for setting options - Save options by words instead of internal bits. (e.g. kernel code will translate a word "ssd_spread" to 2 internal bits "SSD" and "SSD_SPREAD". However this behavior might be changed if kernel updates.) Special thanks to Kazuhiro Yamashita for his time and efforts. Again, your comments/reviews are welcomed. Thanks, H.Seto