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From: Max Reitz <mreitz@redhat.com>
To: Alberto Garcia <berto@igalia.com>, qemu-devel@nongnu.org
Cc: Changlong Xie <xiecl.fnst@cn.fujitsu.com>, qemu-block@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v2 0/4] Separate QUORUM_REPORT_BAD events according to their node name
Date: Mon, 14 Mar 2016 17:22:26 +0100	[thread overview]
Message-ID: <56E6E542.6080808@redhat.com> (raw)
In-Reply-To: <cover.1457610443.git.berto@igalia.com>


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On 10.03.2016 12:55, Alberto Garcia wrote:
> QUORUM_REPORT_BAD events are limited to a maximum rate of 1 per
> second. While this is not a problem in itself, this means that an
> error in one a Quorum child will mask errors in the other children if
> they happen within the same 1 second interval.
> 
> This series fixes that problem by separating these events in different
> queues if they come from different nodes. Once we add the 'type' field
> to QUORUM_REPORT_BAD we will also be able to classify them according
> to the type if we want.
> 
> In addition to the above, this series also fixes a crash that happens
> if there's an I/O error in one of the children. This is serious enough
> so I'll send the patch to fix this crash to qemu-stable as well.
> 
> Regards,
> 
> Berto
> 
> v2:
> - Patch 3: Rename clock_type to event_clock_type [Max]
> 
> v1: https://lists.gnu.org/archive/html/qemu-devel/2016-03/msg02161.html
> - Original version
> 
> Alberto Garcia (4):
>   quorum: Fix crash in quorum_aio_cb()
>   monitor: Separate QUORUM_REPORT_BAD events according to the node name
>   monitor: Use QEMU_CLOCK_VIRTUAL for the event queue in qtest mode
>   iotests: Add test for QMP event rates
> 
>  block/quorum.c             |  12 +++--
>  monitor.c                  |  22 ++++++--
>  tests/qemu-iotests/146     | 129 +++++++++++++++++++++++++++++++++++++++++++++
>  tests/qemu-iotests/146.out |   5 ++
>  tests/qemu-iotests/group   |   1 +
>  5 files changed, 161 insertions(+), 8 deletions(-)
>  create mode 100644 tests/qemu-iotests/146
>  create mode 100644 tests/qemu-iotests/146.out

Thanks, applied to my block tree (with the test renamed to 148):

https://github.com/XanClic/qemu/commits/block

Max


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      parent reply	other threads:[~2016-03-14 16:22 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-10 11:55 [Qemu-devel] [PATCH v2 0/4] Separate QUORUM_REPORT_BAD events according to their node name Alberto Garcia
2016-03-10 11:55 ` [Qemu-devel] [PATCH v2 1/4] quorum: Fix crash in quorum_aio_cb() Alberto Garcia
2016-03-10 11:55 ` [Qemu-devel] [PATCH v2 2/4] monitor: Separate QUORUM_REPORT_BAD events according to the node name Alberto Garcia
2016-03-10 20:35   ` Eric Blake
2016-03-11  8:55     ` Alberto Garcia
2016-03-10 11:55 ` [Qemu-devel] [PATCH v2 3/4] monitor: Use QEMU_CLOCK_VIRTUAL for the event queue in qtest mode Alberto Garcia
2016-03-10 11:55 ` [Qemu-devel] [PATCH v2 4/4] iotests: Add test for QMP event rates Alberto Garcia
2016-03-14 16:22 ` Max Reitz [this message]

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