On Thu, Aug 12, 2021 at 09:41:47AM -0600, Jens Axboe wrote:
> - if (!test_bit(QUEUE_FLAG_POLL, &q->queue_flags))
> + if (!test_bit(QUEUE_FLAG_POLL, &q->queue_flags)) {
> + /* can't support alloc cache if we turn off polling */
> + bio_clear_flag(bio, BIO_PERCPU_CACHE);
> bio->bi_opf &= ~REQ_HIPRI;
> + }
It looks like you should also clear BIO_PERCPU_CACHE if this bio gets
split in blk_bio_segment_split().
