From patchwork Mon Nov 18 13:24:20 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Sterba X-Patchwork-Id: 3196731 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D5ACDC045B for ; Mon, 18 Nov 2013 13:24:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DAE932015A for ; Mon, 18 Nov 2013 13:24:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AD0082013B for ; Mon, 18 Nov 2013 13:24:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752427Ab3KRNY1 (ORCPT ); Mon, 18 Nov 2013 08:24:27 -0500 Received: from cantor2.suse.de ([195.135.220.15]:56018 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752423Ab3KRNYX (ORCPT ); Mon, 18 Nov 2013 08:24:23 -0500 Received: from relay1.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 80E74A7B44 for ; Mon, 18 Nov 2013 14:24:22 +0100 (CET) Received: by ds.suse.cz (Postfix, from userid 10065) id 664BBDA8E9; Mon, 18 Nov 2013 14:24:21 +0100 (CET) From: David Sterba To: linux-btrfs@vger.kernel.org Cc: David Sterba Subject: [PATCH] btrfs: reserve no transaction units in btrfs_feature_attr_store Date: Mon, 18 Nov 2013 14:24:20 +0100 Message-Id: <1384781060-12353-1-git-send-email-dsterba@suse.cz> X-Mailer: git-send-email 1.8.4.2 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Added in patch "btrfs: add ability to change features via sysfs", modifications to superblock don't need to reserve metadata blocks when starting a transaction. Signed-off-by: David Sterba --- fs/btrfs/sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 669fdf777b6c..8fdc0520e298 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -150,7 +150,7 @@ static ssize_t btrfs_feature_attr_store(struct kobject *kobj, btrfs_info(fs_info, "%s %s feature flag", val ? "Setting" : "Clearing", fa->kobj_attr.attr.name); - trans = btrfs_start_transaction(fs_info->fs_root, 1); + trans = btrfs_start_transaction(fs_info->fs_root, 0); if (IS_ERR(trans)) return PTR_ERR(trans);