From patchwork Fri Dec 30 10:53:49 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongqiang Yang X-Patchwork-Id: 133652 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 A7AA3B6FBE for ; Sat, 31 Dec 2011 01:37:20 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751355Ab1L3OhS (ORCPT ); Fri, 30 Dec 2011 09:37:18 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:38138 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751292Ab1L3OhS (ORCPT ); Fri, 30 Dec 2011 09:37:18 -0500 Received: by mail-iy0-f174.google.com with SMTP id h11so25392021iae.19 for ; Fri, 30 Dec 2011 06:37:17 -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=2hA9cutxQAFITc2Zi6GAzR9ymmEO8aDtP/iHP4dmAEE=; b=V394WN85k9Y3s5KVpsypWDdxkyYNKaU2YtUouRpt6IPFaZCO7qkWBpvkiFVDQEE8cx dOGYQZ1DcGDtLYc/I0g+LHWLeuecapDNHY0EdOpnkwrUwUCAP2/Dc4SCAkgksaWkIagS EzbKoNN8c+IKqBUvkKUNlWmhZ/Dxdgn/k5B00= Received: by 10.50.155.195 with SMTP id vy3mr45962858igb.12.1325255837897; Fri, 30 Dec 2011 06:37:17 -0800 (PST) Received: from localhost.localdomain ([159.226.43.42]) by mx.google.com with ESMTPS id pb6sm55150642igc.5.2011.12.30.06.37.16 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 30 Dec 2011 06:37:17 -0800 (PST) From: Yongqiang Yang To: tytso@mit.edu Cc: linux-ext4@vger.kernel.org, Yongqiang Yang Subject: [PATCH V6 07/15] ext4: add a function which adds several group descriptors Date: Fri, 30 Dec 2011 18:53:49 +0800 Message-Id: <1325242437-26934-8-git-send-email-xiaoqiangnk@gmail.com> X-Mailer: git-send-email 1.7.5.1 In-Reply-To: <1325242437-26934-1-git-send-email-xiaoqiangnk@gmail.com> References: <1325242437-26934-1-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 3024769..d0d0ade 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1083,6 +1083,31 @@ 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