Hello Mike,

The patches in this series are what I came up with while analyzing the
soft and hard lockups reported by Laurence Oberman. Please consider
these patches for kernel v4.14.

Thank you,

Bart.

Bart Van Assche (7):
  dm: Fix the second dec_pending() argument in __split_and_process_bio()
  dm: Fix printk() rate limiting code
  dm-mpath: Do not lock up a CPU with requeuing activity
  dm-mpath: Avoid that building with W=1 causes gcc 7 to complain about
    fall-through
  dm-mpath: Complain about unsupported __multipath_map_bio() return
    values
  dm-mpath: Retry BLK_STS_RESOURCE errors
  dm-mpath: Make the dm-sq requeuing behavior consistent with the dm-mq
    behavior

 drivers/md/dm-mpath.c         |  8 ++++++--
 drivers/md/dm-rq.c            |  9 +++++----
 drivers/md/dm.c               | 12 +-----------
 include/linux/device-mapper.h | 41 ++++++++++++-----------------------------
 4 files changed, 24 insertions(+), 46 deletions(-)

-- 
2.13.3

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