We need the capability to use file as a block storage for containers. Initial action items under this include: 1) This involves doing functionality/performance testing with tcmu. 2) Provide read-write once capability for the block storage. 3) Test the solution provided by Andy for resizing the block device. 4) Block snapshots.
Hey Pranith, this looks like it's done. Do you want to do the honor of closing this?
https://github.com/gluster/gluster-block is the project where this feature is tracked. Closing this RFE.