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Re: [Qemu-block] [PATCH v8 0/3] NBD reconnect
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
Re: [Qemu-block] [PATCH v8 0/3] NBD reconnect |
Date: |
Thu, 5 Sep 2019 08:59:23 +0000 |
ping
21.08.2019 19:52, Vladimir Sementsov-Ogievskiy wrote:
> Hi all!
> Here is NBD reconnect. Previously, if connection failed all current
> and future requests will fail. After the series, nbd-client driver
> will try to reconnect unlimited times. During first @reconnect-delay
> seconds of reconnecting all requests will wait for the connection,
> and if it is established requests will be resent. After
> @reconnect-delay period all requests will be failed (until successful
> reconnect).
>
> v8:
> preparations are already merged [thx to Eric], old 07 with SI_* constants
> dropped [Peter]
> 02: - use NANOSECONDS_PER_SECOND
> 03: - move to tests/qemu-iotests/264
> - limit job speed, otherwise it fails on ramfs as backup finishes too
> early
>
> v7:
> almost all: rebased on merged nbd.c and nbd-client.c (including patch subject)
> 01-04: add Eric's r-b
> 04: wording
> 05: new
> 06: rewrite to remove timer earlier
> 07: new
> 08:
> - rebase on 05 and 07
> - drop "All rights reserved"
> - handle drain
> - improve handling aio context attach
> 09: move 249 -> 257
>
> Vladimir Sementsov-Ogievskiy (3):
> qemu-coroutine-sleep: introduce qemu_co_sleep_wake
> block/nbd: nbd reconnect
> iotests: test nbd reconnect
>
> include/qemu/coroutine.h | 17 +-
> block/nbd.c | 335 +++++++++++++++++++++++++++-------
> block/null.c | 2 +-
> block/sheepdog.c | 2 +-
> tests/test-bdrv-drain.c | 6 +-
> tests/test-block-iothread.c | 2 +-
> util/qemu-coroutine-sleep.c | 47 +++--
> tests/qemu-iotests/264 | 65 +++++++
> tests/qemu-iotests/264.out | 12 ++
> tests/qemu-iotests/group | 1 +
> tests/qemu-iotests/iotests.py | 4 +
> 11 files changed, 408 insertions(+), 85 deletions(-)
> create mode 100755 tests/qemu-iotests/264
> create mode 100644 tests/qemu-iotests/264.out
>
--
Best regards,
Vladimir
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