On Mon, Aug 31, 2020 at 08:18:48AM -0600, Jens Axboe wrote: > > We'll still need a flag with the above to skip the submit_bio_noacct > > bios. But I think it is the right way to go. Eventually we'll also > > need to push the accounting down into the individual bio based drivers. > > For the iocb propagation, we'd really need the caller to mark the iocb > as IOCB_ACCOUNTED (or whatever) if BIO_ACCOUNTED is set, since we can't > do that further down the stack as we really don't know if we hit -EAGAIN > before or after the bio was accounted... Which kind of sucks, as it'll > be hard to contain in a generic fashion. Well, that's why I think the only proper fix is to only account a bio when we know the driver is actually going to submit it.
