On Thu, Jul 09, 2020 at 12:50:27PM -0600, Jens Axboe wrote: > It might, if you have IRQ context for the completion. task_work isn't > expensive, however. It's not like a thread offload. > > > Using flags have not been liked here, but given the upheaval involved so > > far I have begun to feel - it was keeping things simple. Should it be > > reconsidered? > > It's definitely worth considering, especially since we can use cflags > like Pavel suggested upfront and not need any extra storage. But it > brings us back to the 32-bit vs 64-bit discussion, and then using blocks > instead of bytes. Which isn't exactly super pretty. block doesn't work for the case of writes to files that don't have to be aligned in any way. And that I think is the more broadly applicable use case than zone append on block devices.
