Ping? thanks, liubo On Thu, Jan 24, 2019 at 4:14 PM Liu Bo <bo.liu@xxxxxxxxxxxxxxxxx> wrote: > > This set is to fix a hang case if blk-iolatency is in use. > > The 1st patch explains the hang problem with more details and provides > a fix. > The 2nd patch adds a warning for unexpected inflight counter. > The 3rd patch is a cleanup of blk_mq_freeze_queue. > > v2: reorder the actual fix to the first patch. > > Liu Bo (3): > blk-iolatency: fix IO hang due to negative inflight counter > Blk-iolatency: warn on negative inflight IO counter > blk-mq: remove duplicated definition of blk_mq_freeze_queue > > block/blk-iolatency.c | 56 ++++++++++++++++++++++++++++++++++++------- > block/blk-mq.h | 1 - > 2 files changed, 48 insertions(+), 9 deletions(-) > > -- > 2.20.1.2.gb21ebb6 >
