make_ext4fs -s -l 262144000 -a system out/target/product/captivatemtd/obj/PACKAGING/systemimage_intermediates/system.img out/target/product/captivatemtd/system
Creating filesystem with parameters:
    Size: 262144000
    Block size: 4096
    Blocks per group: 32768
    Inodes per group: 8000
    Inode size: 256
    Journal blocks: 1024
    Label:
    Blocks: 64000
    Block groups: 2
    Reserved block group size: 15
error: do_inode_allocate_extents: Failed to allocate 187 blocks