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Re: [Qemu-devel] [PATCH v7 0/9] NBD reconnect


From: Vladimir Sementsov-Ogievskiy
Subject: Re: [Qemu-devel] [PATCH v7 0/9] NBD reconnect
Date: Thu, 25 Jul 2019 10:07:38 +0000

ping

18.06.2019 14:43, 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).
> 
> 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 (9):
>    block/nbd: split connection_co start out of nbd_client_connect
>    block/nbd: use non-blocking io channel for nbd negotiation
>    block/nbd: move from quit to state
>    block/nbd: add cmdline and qapi parameter reconnect-delay
>    block/nbd: refactor nbd connection parameters
>    qemu-coroutine-sleep: introduce qemu_co_sleep_wake
>    qemu/units: add SI decimal units
>    block/nbd: nbd reconnect
>    iotests: test nbd reconnect
> 
>   qapi/block-core.json          |  11 +-
>   include/block/nbd.h           |   3 +-
>   include/qemu/coroutine.h      |  17 +-
>   include/qemu/units.h          |   7 +
>   block/nbd.c                   | 531 +++++++++++++++++++++++++---------
>   block/null.c                  |   2 +-
>   block/sheepdog.c              |   2 +-
>   nbd/client.c                  |  16 +-
>   qemu-nbd.c                    |   2 +-
>   tests/test-bdrv-drain.c       |   6 +-
>   tests/test-block-iothread.c   |   2 +-
>   util/qemu-coroutine-sleep.c   |  47 ++-
>   tests/qemu-iotests/257        |  63 ++++
>   tests/qemu-iotests/257.out    |  10 +
>   tests/qemu-iotests/group      |   1 +
>   tests/qemu-iotests/iotests.py |   4 +
>   16 files changed, 551 insertions(+), 173 deletions(-)
>   create mode 100755 tests/qemu-iotests/257
>   create mode 100644 tests/qemu-iotests/257.out
> 


-- 
Best regards,
Vladimir

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