do not merge - update to match ext4utils api
do not merge - update to match ext4utils api

Change-Id: I9d34e491022d7dfed653a861b0728a0a656f1fbe

kylinmoddev/android_bootable_recovery,DerTeufel/dualboot_recovery,76Demented/bootable_recovery-,76Demented/bootable_recovery-,randomblame/bootable_recovery,InsomniaAOSP/platform_bootable_recovery,Plain-Andy/android_platform_bootable_recovery,randomblame/bootable_recovery,Plain-Andy/android_platform_bootable_recovery,InsomniaAOSP/platform_bootable_recovery,kylinmoddev/android_bootable_recovery,Plain-Andy/android_platform_bootable_recovery,76Demented/bootable_recovery-,InsomniaAOSP/platform_bootable_recovery,kylinmoddev/android_bootable_recovery,DerTeufel/dualboot_recovery,DerTeufel/dualboot_recovery,kylinmoddev/android_bootable_recovery,randomblame/bootable_recovery,randomblame/bootable_recovery,DerTeufel/dualboot_recovery,randomblame/bootable_recovery,InsomniaAOSP/platform_bootable_recovery,Plain-Andy/android_platform_bootable_recovery,76Demented/bootable_recovery-,DerTeufel/dualboot_recovery,InsomniaAOSP/platform_bootable_recovery,76Demented/bootable_recovery-