Thanks a lot Jan, Zhang and Baokun. I think now I have a clear idea on IOMAP and LBS efforts for EXT4. >> The reason I am asking is, should I take up the challenge to add LBS >> support with buffer heads in EXT4, or should I wait until iomap patches >> are merged. > > I think better spent time would be to help with the iomap conversion. I > don't think there will be that much coding left (perhaps some more exotic > features need attention) but there's definitely testing needed and review > is always welcome and most needed... > We will definitely help reviewing and testing the IOMAP and LBS patches. :) -- Pankaj