From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992469AbXBQQ4U (ORCPT ); Sat, 17 Feb 2007 11:56:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992473AbXBQQ4U (ORCPT ); Sat, 17 Feb 2007 11:56:20 -0500 Received: from smtp.nokia.com ([131.228.20.173]:32748 "EHLO mgw-ext14.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992469AbXBQQ4S (ORCPT ); Sat, 17 Feb 2007 11:56:18 -0500 From: Artem Bityutskiy To: Linux Kernel Mailing List Cc: Christoph Hellwig , Artem Bityutskiy , Frank Haverkamp , Josh Boyer , Thomas Gleixner , David Woodhouse Date: Sat, 17 Feb 2007 18:55:50 +0200 Message-Id: <20070217165550.5845.96396.sendpatchset@localhost.localdomain> In-Reply-To: <20070217165424.5845.4390.sendpatchset@localhost.localdomain> References: <20070217165424.5845.4390.sendpatchset@localhost.localdomain> Subject: [PATCH 17/44 take 2] [UBI] build unit header X-OriginalArrivalTime: 17 Feb 2007 16:55:49.0687 (UTC) FILETIME=[79F26C70:01C752B4] X-eXpurgate-Category: 1/0 X-eXpurgate-ID: 149371::070217185220-0B11ABB0-31629ACB/0-0/0-1 X-Nokia-AV: Clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org diff -auNrp tmp-from/drivers/mtd/ubi/build.h tmp-to/drivers/mtd/ubi/build.h --- tmp-from/drivers/mtd/ubi/build.h 1970-01-01 02:00:00.000000000 +0200 +++ tmp-to/drivers/mtd/ubi/build.h 2007-02-17 18:07:26.000000000 +0200 @@ -0,0 +1,62 @@ +/* + * Copyright (c) International Business Machines Corp., 2006 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Author: Artem B. Bityutskiy + */ + +/* + * UBI build unit. + * + * This unit is responsible for attaching MTD devices to UBI devices. At the + * moment there is only one attachment method exists - full scan. But in future + * one may add a superblock-based attachment method and improve UBI + * scalability. But anyways, the scanning method will always be useful because + * in case of superblock corruptions UBI can always scan the device and + * re-build all the core data structures. + */ + +#ifndef __UBI_BUILD_H__ +#define __UBI_BUILD_H__ + +struct ubi_info; + +/** + * ubi_bld_attach_mtd_dev - attach an MTD device. + * + * @ubi: the UBI device description object + * @mtd_num: MTD device number + * @vid_hdr_offset: volume identifier headers offset + * @data_offset: data offset + * + * This function attaches an MTD device number @mtd_num. If @vid_hdr_offset and + * @data_offset are zero, the default layout of UBI headers is assumed. See the + * I/O unit. + * + * This function returns a positive number of the new UBI device in case of + * success and a negative error code in case of failure. + */ +int ubi_bld_attach_mtd_dev(struct ubi_info *ubi, int mtd_num, + int vid_hdr_offset, int data_offset); + +/** + * ubi_bld_detach_mtd_dev - detach an MTD device. + * + * @ubi: the UBI device description object + */ +void ubi_bld_detach_mtd_dev(struct ubi_info *ubi); + +#endif /* __UBI_BUILD_H__ */