From patchwork Mon Jan 5 14:06:14 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corentin Chary X-Patchwork-Id: 16618 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 1413BDDF6A for ; Tue, 6 Jan 2009 01:09:51 +1100 (EST) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.68 #1 (Red Hat Linux)) id 1LJq7S-0005eW-7f; Mon, 05 Jan 2009 14:07:50 +0000 Received: from mail-bw0-f12.google.com ([209.85.218.12]) by bombadil.infradead.org with esmtp (Exim 4.68 #1 (Red Hat Linux)) id 1LJq7Q-0005eC-KZ for linux-mtd@lists.infradead.org; Mon, 05 Jan 2009 14:07:48 +0000 Received: by bwz5 with SMTP id 5so16342971bwz.18 for ; Mon, 05 Jan 2009 06:07:47 -0800 (PST) Received: by 10.223.126.203 with SMTP id d11mr14636761fas.8.1231164374431; Mon, 05 Jan 2009 06:06:14 -0800 (PST) Received: by 10.223.113.3 with HTTP; Mon, 5 Jan 2009 06:06:14 -0800 (PST) Message-ID: <71cd59b00901050606m5630aa05ra30b6d6b86d21932@mail.gmail.com> Date: Mon, 5 Jan 2009 15:06:14 +0100 From: "Corentin Chary" To: linux-mtd@lists.infradead.org Subject: [PATCH 2/3] UBI: unmap operation via ioctl MIME-Version: 1.0 Content-Disposition: inline X-Google-Sender-Auth: e49a7bc3cf88553f X-Spam-Score: 0.0 (/) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.9 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org From: Corentin Chary UBI: unmap operation via ioctl Signed-off-by: Corentin Chary --- drivers/mtd/ubi/cdev.c | 12 ++++++++++++ include/mtd/ubi-user.h | 3 ++- 2 files changed, 14 insertions(+), 1 deletions(-) diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index db47121..7a9080c 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -530,6 +530,18 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file, err = ubi_leb_map(desc, req.lnum, req.dtype); break; } + case UBI_IOUNMAP: + { + int32_t lnum; + + err = get_user(lnum, (__user int32_t *)argp); + if (err) { + err = -EFAULT; + break; + } + err = ubi_leb_unmap(desc, lnum); + break; + } #endif diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h index 8222f12..bcff3a0 100644 --- a/include/mtd/ubi-user.h +++ b/include/mtd/ubi-user.h @@ -135,7 +135,8 @@ #define UBI_IOCEBCH _IOW(UBI_VOL_IOC_MAGIC, 2, int32_t) /* Map an eraseblock */ #define UBI_IOMAP _IOW(UBI_VOL_IOC_MAGIC, 3, struct ubi_map_req) - +/* Unmap an eraseblock */ +#define UBI_IOUNMAP _IOW(UBI_VOL_IOC_MAGIC, 4, int32_t) /* Maximum MTD device name length supported by UBI */ #define MAX_UBI_MTD_NAME_LEN 127