On 4/25/22 19:21, Yu Kuai wrote: > Total 16 bytes can be saved in two ways: > > 1) The field 'bio' will only be used in bio based mode, and the field > 'rq' will only be used in mq mode. Since they won't be used in the > same time, declare a union for them. > 2) The field 'bool fake_timeout' can be placed in the hole after the > field 'error'. > > Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx> > --- Looks good. Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> -ck