libubi: Add new interface ubi_leb_map()

Add ubi_leb_map() implementation, it is used in UBIFS linux kernel libs.

This is a preparation for replacing implementation of UBIFS utils with
linux kernel libs.

Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/libubi.c b/lib/libubi.c
index 6b57e50..86736dd 100644
--- a/lib/libubi.c
+++ b/lib/libubi.c
@@ -1364,3 +1364,13 @@ int ubi_is_mapped(int fd, int lnum)
 {
 	return ioctl(fd, UBI_IOCEBISMAP, &lnum);
 }
+
+int ubi_leb_map(int fd, int lnum)
+{
+	struct ubi_map_req r;
+
+	memset(&r, 0, sizeof(struct ubi_map_req));
+	r.lnum = lnum;
+
+	return ioctl(fd, UBI_IOCEBMAP, &r);
+}