On Mon, Aug 25, 2025 at 05:36:58PM +0800, Yu Kuai wrote: > + raid_bio = bio_submit_split(raid_bio, sectors, > + &conf->bio_split); > + if (!raid_bio) > + return NULL; > + > + raid_bio->bi_opf &= ~REQ_NOMERGE; It almost feels as if md wants a little helper that wraps bio_submit_split and also clears REQ_NOMERGE?
