On 11/23/21 9:04 AM, Christoph Hellwig wrote: > Refactor the request alloction so that blk_mq_get_cached_request tries > to find a cached request first, and the entirely separate and now > self contained blk_mq_get_new_requests allocates one or more requests > if that is not possible. > > There is a small change in behavior as submit_bio_checks is called > twice now if a cached request is present but can't be used, but that > is a small price to pay for unwinding this code. I don't think that's an issue, the only side effect that matters here is the remap which is tracked in the bio anyway. -- Jens Axboe
