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[PATCH 0/4] block: copy-before-write: cbw-timeout
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[PATCH 0/4] block: copy-before-write: cbw-timeout |
Date: |
Wed, 2 Mar 2022 17:24:38 +0100 |
Hi all!
There is another new option, that allows to limit cbw operation by some
timeout.
So, for example, using cbw-timeout=60 and on-cbw-error=break-snapshot
you can be sure that guest write will not stuck for more than 60
seconds.
Based-on: <20220301205929.2006041-1-vsementsov@virtuozzo.com>
([PATCH 0/3] block: copy-before-write: on-cbw-error behavior)
Vladimir Sementsov-Ogievskiy (4):
util: add qemu-co-timeout
block/block-copy: block_copy(): add timeout_ns parameter
block/copy-before-write: implement cbw-timeout option
iotests: copy-before-write: add cases for cbw-timeout option
qapi/block-core.json | 5 +-
include/block/block-copy.h | 2 +-
include/qemu/coroutine.h | 13 +++
block/block-copy.c | 28 ++++--
block/copy-before-write.c | 6 +-
util/qemu-co-timeout.c | 89 +++++++++++++++++++
tests/qemu-iotests/tests/copy-before-write | 78 ++++++++++++++++
.../qemu-iotests/tests/copy-before-write.out | 4 +-
util/meson.build | 1 +
9 files changed, 213 insertions(+), 13 deletions(-)
create mode 100644 util/qemu-co-timeout.c
--
2.31.1
- [PATCH 0/4] block: copy-before-write: cbw-timeout,
Vladimir Sementsov-Ogievskiy <=