From patchwork Wed Aug 28 05:25:56 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Yang X-Patchwork-Id: 270354 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 30D1F2C00A0 for ; Wed, 28 Aug 2013 15:30:46 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754425Ab3H1Fap (ORCPT ); Wed, 28 Aug 2013 01:30:45 -0400 Received: from mail1.windriver.com ([147.11.146.13]:56014 "EHLO mail1.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754403Ab3H1Fan (ORCPT ); Wed, 28 Aug 2013 01:30:43 -0400 Received: from ALA-HCA.corp.ad.wrs.com (ala-hca.corp.ad.wrs.com [147.11.189.40]) by mail1.windriver.com (8.14.5/8.14.3) with ESMTP id r7S5Uf0d006502 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Tue, 27 Aug 2013 22:30:42 -0700 (PDT) Received: from pek-hostel-vm06.wrs.com (128.224.153.176) by ALA-HCA.corp.ad.wrs.com (147.11.189.40) with Microsoft SMTP Server id 14.2.347.0; Tue, 27 Aug 2013 22:30:40 -0700 From: Robert Yang To: CC: , Subject: [RFC 06/10] misc/util.c: create directory Date: Wed, 28 Aug 2013 13:25:56 +0800 Message-ID: <1377667560-20089-7-git-send-email-liezhi.yang@windriver.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1377667560-20089-1-git-send-email-liezhi.yang@windriver.com> References: <1377667560-20089-1-git-send-email-liezhi.yang@windriver.com> MIME-Version: 1.0 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org The do_mkdir_internal() is used for making dir on the target fs, most of the code are from debugfs/debugfs.c, the debugfs/debugfs.c will be modified to use this function. Signed-off-by: Robert Yang --- misc/util.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/misc/util.c b/misc/util.c index e35fd88..7a45120 100644 --- a/misc/util.c +++ b/misc/util.c @@ -471,6 +471,40 @@ fail: /* Make a directory in the fs */ errcode_t do_mkdir_internal(ext2_ino_t cwd, const char *name, struct stat *st) { + char *cp; + ext2_ino_t parent_ino, ino; + errcode_t retval; + struct ext2_inode inode; + char *func_name = "do_mkdir_internal"; + + + cp = strrchr(name, '/'); + if (cp) { + *cp = 0; + if ((retval = ext2fs_namei(current_fs, root, cwd, name, &parent_ino))){ + com_err(name, retval, 0); + return retval; + } + name = cp+1; + } else { + parent_ino = cwd; + name = name; + } + +try_again: + retval = ext2fs_mkdir(current_fs, parent_ino, 0, name); + if (retval == EXT2_ET_DIR_NO_SPACE) { + retval = ext2fs_expand_dir(current_fs, parent_ino); + if (retval) { + com_err(func_name, retval, "while expanding directory"); + return retval; + } + goto try_again; + } + if (retval) { + com_err("ext2fs_mkdir", retval, 0); + return retval; + } } /* Copy the native file to the fs */