On Tue, Mar 08, 2022 at 08:51:00PM +0530, Kanchan Joshi wrote: > Since we do submission/completion in task, we can have this up. > Add a bio-set for nvme as we need that for bio-cache. Well, passthrough I/O should just use kmalloced bios anyway, as there is no need for the mempool to start with. Take a look at the existing code in blk-map.c.