Re: [Qemu-devel] [PATCH for-2.11 0/4] Fix qemu-iotests failures

[Jeff Cody <jcody@redhat.com>]

On Tue, Nov 28, 2017 at 04:43:46PM +0100, Kevin Wolf wrote:
> This reverts the recent fix for the case of qemu-iotests 200 (block job
> completion races when using a separate I/O thread) that only fixed a
> symptom and caused many regressions, and replaces it with a new
> solution that hopefully attacks the right root cause.
> 
> The series also contains a bonus fix for a bug that was uncovered by the
> different timing with the patches that are reverted here.
> 
> Kevin Wolf (4):
>   Revert "coroutine: abort if we try to schedule or enter a pending
>     coroutine"
>   Revert "blockjob: do not allow coroutine double entry or
>     entry-after-completion"
>   coroutine: Cancel aio_co_schedule() on direct entry
>   block: Expect graph changes in bdrv_parent_drained_begin/end
> 
>  include/block/blockjob_int.h |  3 +--
>  include/qemu/coroutine_int.h | 14 ++++----------
>  block/io.c                   |  8 ++++----
>  blockjob.c                   |  7 ++-----
>  util/async.c                 | 26 +++++++++++++-------------
>  util/qemu-coroutine-sleep.c  | 12 ------------
>  util/qemu-coroutine.c        | 31 +++++++++++++++++--------------
>  7 files changed, 41 insertions(+), 60 deletions(-)
> 
> -- 
> 2.13.6
>

Tested-by: Jeff Cody <jcody@redhat.com>