diff options
| -rw-r--r-- | include/libubi.h | 15 | ||||
| -rw-r--r-- | lib/libubi.c | 10 |
2 files changed, 25 insertions, 0 deletions
diff --git a/include/libubi.h b/include/libubi.h index 9cb5037..b5b3d8f 100644 --- a/include/libubi.h +++ b/include/libubi.h @@ -487,6 +487,21 @@ int ubi_leb_unmap(int fd, int lnum); */ int ubi_is_mapped(int fd, int lnum); +/** + * ubi_leb_map - map logical eraseblock to a physical eraseblock. + * @fd: volume character device file descriptor + * @lnum: logical eraseblock number + * + * This function maps an un-mapped logical eraseblock @lnum to a physical + * eraseblock. This means, that after a successful invocation of this + * function the logical eraseblock @lnum will be empty (contain only %0xFF + * bytes) and be mapped to a physical eraseblock, even if an unclean reboot + * happens. + * + * This function returns zero in case of success, %-1 in case of failures. + */ +int ubi_leb_map(int fd, int lnum); + #ifdef __cplusplus } #endif 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); +} |