On 9/5/18 2:18 PM, Logan Gunthorpe wrote: > > > On 05/09/18 02:14 PM, Jens Axboe wrote: >> But if the caller must absolutely know where the bio will end up, then >> it seems super redundant. So I'd vote for killing this check, it buys >> us absolutely nothing and isn't even exhaustive in its current form. > > > Ok, I'll remove it for v6. Since the drivers needs to know it's doing it right, it might not hurt to add a sanity check helper for that. Just have the driver call it, and don't add it in the normal IO submission path. -- Jens Axboe