On Wed, May 29, 2024 at 02:08:20PM +0800, Yu Kuai wrote: > > submit_bio_noacct > if (op_is_flush(bio->bi_opf)) > if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) > if (!bio_sectors(bio)) > bio_endio(bio); > > Or will the bi_size to be less than one sector? bi_size is always aligned to the sector size except for passthrough command. So the two versions are 100% equivalent. bio_sectors just does a useless shift (which the compiler hopefully optimizes away)
