From: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxxx> Hi, Please consider apply both fix for bio order, it fixes dead lock in MD/DRBD. I backported to 4.4, and also tested on 4.4.50. Both patches apply cleanly on 4.4.59. NeilBrown (2): blk: improve order of bio handling in generic_make_request() blk: Ensure users for current->bio_list can see the full list. block/bio.c | 12 +++++++++--- block/blk-core.c | 40 +++++++++++++++++++++++++++++++--------- drivers/md/raid1.c | 3 ++- drivers/md/raid10.c | 3 ++- 4 files changed, 44 insertions(+), 14 deletions(-) -- 2.7.4