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[PATCH BUGFIX] block, bfq: fix bug causing crashes

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Hi Jens,
I'm writing this short cover letter to hopefully help you decide what
to do with this patch, in this late phase of the development
cycle. This patch fixes a bug causing kernel crashes for at least
one year. Crashes apparently affect only a minority of users, but are
systematic for them (a crash every few tens of minutes for some).

Thanks,
Paolo

Paolo Valente (1):
  block, bfq: don't change ioprio class for a bfq_queue on a service
    tree

 block/bfq-iosched.c | 14 ++++++++++----
 block/bfq-iosched.h |  3 ++-
 block/bfq-wf2q.c    | 39 ++++++++++++++++++++++++++++++++++-----
 3 files changed, 46 insertions(+), 10 deletions(-)

--
2.10.0

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[PATCH BUGFIX] block, bfq: fix bug causing crashes Paolo Valente <paolo.valente@linaro.org> - 2017-07-03 10:10 +0200
  [PATCH BUGFIX] block, bfq: don't change ioprio class for a bfq_queue on a service tree Paolo Valente <paolo.valente@linaro.org> - 2017-07-03 10:10 +0200
  Re: [PATCH BUGFIX] block, bfq: fix bug causing crashes Jens Axboe <axboe@kernel.dk> - 2017-07-04 00:50 +0200
    Re: [PATCH BUGFIX] block, bfq: fix bug causing crashes Paolo Valente <paolo.valente@linaro.org> - 2017-07-04 09:10 +0200

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