Re: [PATCH 0/4] qmp: Optionally run handlers in coroutines

[Marc-André Lureau]

Hi

On Thu, Jan 9, 2020 at 10:36 PM Kevin Wolf <address@hidden> wrote:
>
> Some QMP command handlers can block the main loop for a relatively long
> time, for example because they perform some I/O. This is quite nasty.
> Allowing such handlers to run in a coroutine where they can yield (and
> therefore release the BQL) while waiting for an event such as I/O
> completion solves the problem.
>
> This series adds the infrastructure to allow this and switches
> block_resize to run in a coroutine as a first example.
>
> This is an alternative solution to Marc-André's "monitor: add
> asynchronous command type" series.
>
> Kevin Wolf (4):
>   qapi: Add a 'coroutine' flag for commands
>   block: Mark 'block_resize' as coroutine
>   vl: Initialise main loop earlier
>   qmp: Move dispatcher to a coroutine
>
>  qapi/block-core.json                    |  3 +-
>  tests/qapi-schema/qapi-schema-test.json |  1 +
>  docs/devel/qapi-code-gen.txt            |  4 ++
>  include/qapi/qmp/dispatch.h             |  3 +
>  monitor/monitor-internal.h              |  5 +-
>  monitor/monitor.c                       | 24 ++++---
>  monitor/qmp.c                           | 83 ++++++++++++++++---------
>  qapi/qmp-dispatch.c                     | 38 ++++++++++-
>  tests/test-qmp-cmds.c                   |  4 ++
>  vl.c                                    | 10 +--
>  scripts/qapi/commands.py                | 17 +++--
>  scripts/qapi/doc.py                     |  2 +-
>  scripts/qapi/expr.py                    |  4 +-
>  scripts/qapi/introspect.py              |  2 +-
>  scripts/qapi/schema.py                  |  9 ++-
>  tests/qapi-schema/qapi-schema-test.out  |  2 +
>  tests/qapi-schema/test-qapi.py          |  7 ++-
>  17 files changed, 155 insertions(+), 63 deletions(-)

Series:
Reviewed-by: Marc-André Lureau <address@hidden>



-- 
Marc-André Lureau