From: Robert Yang Subject: [PATCH 06/10] misc/create_inode.c: create directory Date: Mon, 23 Dec 2013 07:09:56 -0500 Message-ID: <1387800600-13718-7-git-send-email-liezhi.yang@windriver.com> References: <1387800600-13718-1-git-send-email-liezhi.yang@windriver.com> Mime-Version: 1.0 Content-Type: text/plain Cc: To: , Return-path: Received: from mail1.windriver.com ([147.11.146.13]:54354 "EHLO mail1.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757239Ab3LWMKP (ORCPT ); Mon, 23 Dec 2013 07:10:15 -0500 In-Reply-To: <1387800600-13718-1-git-send-email-liezhi.yang@windriver.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: 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/create_inode.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/misc/create_inode.c b/misc/create_inode.c index 718d499..95acffe 100644 --- a/misc/create_inode.c +++ b/misc/create_inode.c @@ -130,6 +130,40 @@ try_again: /* 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; + } } static errcode_t copy_file(int fd, ext2_ino_t newfile, int bufsize, int make_holes) -- 1.7.10.4