From patchwork Fri Dec 23 08:14:57 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongqiang Yang X-Patchwork-Id: 133003 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 61A2BB7001 for ; Fri, 23 Dec 2011 22:53:17 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756763Ab1LWLxO (ORCPT ); Fri, 23 Dec 2011 06:53:14 -0500 Received: from mail-tul01m020-f174.google.com ([209.85.214.174]:47472 "EHLO mail-tul01m020-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756760Ab1LWLxL (ORCPT ); Fri, 23 Dec 2011 06:53:11 -0500 Received: by obcwo16 with SMTP id wo16so4941593obc.19 for ; Fri, 23 Dec 2011 03:53:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=SB61ZNdeCdh1SUNDJIYFQKtowi1sQpoJ62U2WkhbfGk=; b=QD7bH1/IFvZCz3fYt+R1Z2fZjVyqPvcoDvTMl87+pr+niy7oQNXffVViPNPV0g59Xx b5UBJZ2E8EFbeGVxaurDXU7VNM6XiKT1xCkxBac1TwR68t0XLHpQvCY6vgh8EM+IsFGh T2enw7AYGyqvEfcaMCWhnkgt92DMbahwrx5dk= Received: by 10.50.36.230 with SMTP id t6mr13262063igj.5.1324641191052; Fri, 23 Dec 2011 03:53:11 -0800 (PST) Received: from localhost.localdomain ([159.226.43.42]) by mx.google.com with ESMTPS id i2sm9968543igq.6.2011.12.23.03.53.09 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 23 Dec 2011 03:53:10 -0800 (PST) From: Yongqiang Yang To: linux-ext4@vger.kernel.org Cc: tytso@mit.edu, Yongqiang Yang Subject: [PATCH v5 07/15] ext4: add a function which adds several group descriptors Date: Fri, 23 Dec 2011 16:14:57 +0800 Message-Id: <1324628105-32559-8-git-send-email-xiaoqiangnk@gmail.com> X-Mailer: git-send-email 1.7.5.1 In-Reply-To: <1324628105-32559-1-git-send-email-xiaoqiangnk@gmail.com> References: <1324628105-32559-1-git-send-email-xiaoqiangnk@gmail.com> Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org From: Yongqiang Yang This patch adds a functon named ext4_add_new_descs() which adds several group descriptors each time. Signed-off-by: Yongqiang Yang Signed-off-by: "Theodore Ts'o" --- fs/ext4/resize.c | 25 +++++++++++++++++++++++++ 1 files changed, 25 insertions(+), 0 deletions(-) diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index cdefa36..bae5b4c 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1051,6 +1051,31 @@ out: } /* + * ext4_add_new_descs() adds @count group descriptor of groups + * starting at @group + * + * @handle: journal handle + * @sb; super block + * @group: the group no. of the first group desc to be added + * @resize_inode: the resize inode + * @count: number of group descriptors to be added + */ +static int ext4_add_new_descs(handle_t *handle, struct super_block *sb, + ext4_group_t group, struct inode *resize_inode, + ext4_group_t count) +{ + int i, err = 0; + + for (i = 0; i < count; i++) { + err = ext4_add_new_desc(handle, sb, group + i, resize_inode); + if (err) + return err; + } + + return err; +} + +/* * ext4_setup_new_desc() sets up group descriptors specified by @input. * * @handle: journal handle