drivers/md/md.h | 1 + include/linux/blkdev.h | 2 + include/uapi/linux/raid/md_p.h | 6 ++- block/blk-settings.c | 85 +++++++++++++++++++--------------- drivers/md/md-linear.c | 1 + drivers/md/md.c | 83 ++++++++++++++++++++++++++++++++- drivers/md/raid0.c | 1 + drivers/md/raid1.c | 1 + drivers/md/raid10.c | 1 + drivers/md/raid5.c | 1 + 10 files changed, 142 insertions(+), 40 deletions(-)