Re: [RFC PATCH v2 0/4] Allow changing bs->file on reopen

[Vladimir Sementsov-Ogievskiy]

08.02.2021 21:44, Alberto Garcia wrote:
> Hi,
>
> this series allows changing bs->file using x-blockdev-reopen. Read
> here for more details:
>
>     https://lists.gnu.org/archive/html/qemu-block/2021-01/msg00437.html
>
> Version 2 of the series introduces a very significant change:
> x-blockdev-reopen now receives a list of BlockdevOptions instead of
> just one, so it is possible to reopen multiple block devices using a
> single transaction.
>
> This is still an RFC, I haven't updated the documentation and the
> structure of the patches will probably change in the future, but I'd
> like to know your opinion about the approach.
>
> These patches apply on top of Vladimir's branch:
>
> git: https://src.openvz.org/scm/~vsementsov/qemu.git
> tag: up-block-topologic-perm-v2

Patchew understands "Based-on: MESSAGE_ID" tag, so, you can add:

Based-on: <20201127144522.29991-1-vsementsov@virtuozzo.com>

> Regards,
>
> Berto
>
> Alberto Garcia (4):
>    block: Allow changing bs->file on reopen
>    iotests: Update 245 to support replacing files with x-blockdev-reopen
>    block: Support multiple reopening with x-blockdev-reopen
>    iotests: Test reopening multiple devices at the same time
>
>   qapi/block-core.json       |   2 +-
>   include/block/block.h      |   2 +
>   block.c                    |  81 +++++++++++++++++++++--
>   blockdev.c                 |  85 +++++++++++++-----------
>   tests/qemu-iotests/155     |   9 ++-
>   tests/qemu-iotests/165     |   4 +-
>   tests/qemu-iotests/245     | 128 ++++++++++++++++++++++++++++++++-----
>   tests/qemu-iotests/245.out |   4 +-
>   tests/qemu-iotests/248     |   2 +-
>   tests/qemu-iotests/248.out |   2 +-
>   tests/qemu-iotests/298     |   4 +-
>   11 files changed, 254 insertions(+), 69 deletions(-)


--
Best regards,
Vladimir