From f03d42afb0fa7599b626fc0c005424edfd123f99 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 23 Sep 2010 21:53:38 -0400 Subject: libmtd: add lock/unlock helpers Signed-off-by: Mike Frysinger Signed-off-by: Artem Bityutskiy --- include/libmtd.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'include/libmtd.h') diff --git a/include/libmtd.h b/include/libmtd.h index afaba42..e30c8a6 100644 --- a/include/libmtd.h +++ b/include/libmtd.h @@ -137,6 +137,30 @@ int mtd_get_dev_info(libmtd_t desc, const char *node, struct mtd_dev_info *mtd); */ int mtd_get_dev_info1(libmtd_t desc, int mtd_num, struct mtd_dev_info *mtd); +/** + * mtd_lock - lock eraseblocks. + * @desc: MTD library descriptor + * @mtd: MTD device description object + * @fd: MTD device node file descriptor + * @eb: eraseblock to lock + * + * This function locks eraseblock @eb. Returns %0 in case of success and %-1 + * in case of failure. + */ +int mtd_lock(const struct mtd_dev_info *mtd, int fd, int eb); + +/** + * mtd_unlock - unlock eraseblocks. + * @desc: MTD library descriptor + * @mtd: MTD device description object + * @fd: MTD device node file descriptor + * @eb: eraseblock to lock + * + * This function unlocks eraseblock @eb. Returns %0 in case of success and %-1 + * in case of failure. + */ +int mtd_unlock(const struct mtd_dev_info *mtd, int fd, int eb); + /** * mtd_erase - erase an eraseblock. * @desc: MTD library descriptor -- cgit v1.2.3