From: Yongqiang Yang Subject: [PATCH v4 07/15] ext4: add a function which adds several group descriptors Date: Sat, 19 Nov 2011 17:57:13 +0800 Message-ID: <1321696641-14437-8-git-send-email-xiaoqiangnk@gmail.com> References: <1321696641-14437-1-git-send-email-xiaoqiangnk@gmail.com> Cc: adilger@dilger.ca, linux-ext4@vger.kernel.org, Yongqiang Yang To: tytso@mit.edu Return-path: Received: from mail-iy0-f174.google.com ([209.85.210.174]:48182 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751636Ab1KSMbS (ORCPT ); Sat, 19 Nov 2011 07:31:18 -0500 Received: by mail-iy0-f174.google.com with SMTP id e36so4861656iag.19 for ; Sat, 19 Nov 2011 04:31:18 -0800 (PST) In-Reply-To: <1321696641-14437-1-git-send-email-xiaoqiangnk@gmail.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: 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 -- 1.7.5.1