On Mon, Sep 01, 2025 at 04:03:22PM +0800, Yu Kuai wrote: > With this change: > 1) bio_submit_split_bioset() already fail the bio will split error; > 2) set R1BIO_Returned; > 3) raid_end_bio_io() check R1BIO_Returned is set and do nothing with the > bio; > > And the same with raid10 in patch 8,9; > > Perhaps I'll emphasize there is no function changes and explain a bit. Please spell the above in the commit log. Or do the flag changes separately so that it is even more clear.