Ping

I suppose I’ll apply the patches I had in v1 if I don’t get reviews for
the new patches, because some fixes are better than none.

(And probably patch 2, because it’s obvious.)

Max

On 03.07.19 19:28, Max Reitz wrote:
> This is a v2 to “block: Add BDS.never_freeze”.
> 
> It depends on my “block: Delay poll when ending drained sections”
> series:
> 
> Depends-on: <20190619152603.5937-1-mre...@redhat.com>
> 
> 
> It turned out that if you run 030 (or just the new test_overlapping_5
> case) sufficiently often, it breaks; which is why I’m hesitant to just
> merge the “add never_freeze” series as it is.
> 
> There are several reasons for why this test case breaks, I hope patches
> 3 to 6 fix them.  Patch 12 adds a test that is much more reliable than
> test_overlapping_5 at detecting the problems fixed by at least patches 4
> to 6.  (I think that 3 doesn’t really need a test.)
> 
> I’m sure there are other ways to see these problems, but well, coming
> from 030, concurrent commit/stream jobs are how I reproduced them.
> Hence the same of this series.
> 
> Patch 2 is for something I encountered on the way.  Patch 11 tests it.
> 
> 
> v2:
> - Added a bunch of more patches.
> 
> 
> git backport-diff against v1:
> 
> Key:
> [----] : patches are identical
> [####] : number of functional differences between upstream/downstream patch
> [down] : patch is downstream-only
> The flags [FC] indicate (F)unctional and (C)ontextual differences, 
> respectively
> 
> 001/12:[----] [--] 'block: Add BDS.never_freeze'
> 002/12:[down] 'block/stream: Fix error path'
> 003/12:[down] 'block/stream: Swap backing file change order'
> 004/12:[down] 'block: Keep subtree drained in drop_intermediate'
> 005/12:[down] 'block: Reduce (un)drains when replacing a child'
> 006/12:[down] 'block: Deep-clear inherits_from'
> 007/12:[----] [--] 'iotests: Fix throttling in 030'
> 008/12:[----] [--] 'iotests: Compare error messages in 030'
> 009/12:[----] [--] 'iotests: Add @use_log to VM.run_job()'
> 010/12:[----] [--] 'iotests: Add new case to 030'
> 011/12:[down] 'iotests: Add read-only test case to 030'
> 012/12:[down] 'iotests: Add test for concurrent stream/commit'
> 
> 
> 
> Max Reitz (12):
>   block: Add BDS.never_freeze
>   block/stream: Fix error path
>   block/stream: Swap backing file change order
>   block: Keep subtree drained in drop_intermediate
>   block: Reduce (un)drains when replacing a child
>   block: Deep-clear inherits_from
>   iotests: Fix throttling in 030
>   iotests: Compare error messages in 030
>   iotests: Add @use_log to VM.run_job()
>   iotests: Add new case to 030
>   iotests: Add read-only test case to 030
>   iotests: Add test for concurrent stream/commit
> 
>  include/block/block_int.h     |   3 +
>  block.c                       |  93 +++++++++++++------
>  block/commit.c                |   4 +
>  block/mirror.c                |   4 +
>  block/stream.c                |   4 +-
>  tests/qemu-iotests/030        | 150 +++++++++++++++++++++++++------
>  tests/qemu-iotests/030.out    |   4 +-
>  tests/qemu-iotests/258        | 163 ++++++++++++++++++++++++++++++++++
>  tests/qemu-iotests/258.out    |  33 +++++++
>  tests/qemu-iotests/group      |   1 +
>  tests/qemu-iotests/iotests.py |  18 ++--
>  11 files changed, 413 insertions(+), 64 deletions(-)
>  create mode 100755 tests/qemu-iotests/258
>  create mode 100644 tests/qemu-iotests/258.out
> 


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