On Thu, Feb 14 2019 at 9:08pm -0500, Sasha Levin <sashal@xxxxxxxxxx> wrote: > From: Mike Snitzer <snitzer@xxxxxxxxxx> > > [ Upstream commit 57c36519e4b949f89381053f7283f5d605595b42 ] > > DM's clone_bio() now benefits from using bio_trim() by fixing the fact > that clone_bio() wasn't clearing BIO_SEG_VALID like bio_trim() does; > which triggers blk_recount_segments() via bio_phys_segments(). > > Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx> > Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> Please no, I later effectively reverted this change with commit fa8db4948f522 ("dm: don't use bio_trim() afterall") (As and aside, I really shouldn't have to defend against stable@ bots picking up a commit, like 57c36519e4b949f, that wasn't marked for stable@.)