I am using the latest linaro debian image (https://snapshots.linaro.org/96boards/dragonboard820c/linaro/debian/) and customized it by adding some files such as packages and modules.
I have used simg2img and img2simg commands to convert the image to raw and back to sparse image.
After flashing this image to the board, I am able to access only 6G of the partition, in which 65% is already occupied by the rootfs. (the partition actually has a size around 40G.).
Why am I not able to access the remaining partition?