From patchwork Wed Jan 7 09:27:14 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/3] UBI: unmap operation via ioctl Date: Tue, 06 Jan 2009 23:27:14 -0000 From: Corentin Chary X-Patchwork-Id: 17079 Message-Id: <200901071027.14992.corentincj@iksaif.net> To: linux-mtd@lists.infradead.org >From 4c15079a77b4a871fc96f2267222626a7e91b86a Mon Sep 17 00:00:00 2001 From: Corentin Chary Date: Mon, 5 Jan 2009 14:46:19 +0100 [PATCH 2/3] 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