Hi Jens, this series removes two fields from struct request that just duplicate information in the bios. As-is it doesn't actually shrink the structure size but instead just creates a 4 byte hole, but that will probably become useful sooner or later. Diffstat: block/blk-merge.c | 26 ++++++++++++++------------ block/blk-mq.c | 5 +---- drivers/scsi/sd.c | 6 +++--- include/linux/blk-mq.h | 8 +++----- include/trace/events/block.h | 6 +++--- 5 files changed, 24 insertions(+), 27 deletions(-)