[dm-devel] [PATCH 0/7] Device mapper and dm-mpath fixes
Mike Snitzer
snitzer at redhat.com
Wed Aug 9 21:49:41 UTC 2017
On Wed, Aug 09 2017 at 2:32pm -0400,
Bart Van Assche <bart.vanassche at wdc.com> wrote:
> 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(-)
Hey Bart,
Thanks for the patches. I'm currently on a leave of absence to recover
from a nasty fall I had (broke my sacrum and dislocated my left thumb at
the wrist)... so: I won't be getting to these patches for a couple
weeks.
Mike
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