Re: [Patch v4 6/7] fuse: add 'io-uring' option

[Markus Armbruster <armbru@redhat.com>]

Brian Song <hibriansong@gmail.com> writes:

> This patch adds a new storage export option for storage-export-daemon
> to enable FUSE-over-io_uring via 'io-uring=on|off' (default: off).
>
> The initialization phase performs a protocol handshake via the legacy
> /dev/fuse interface before transitioning to the io_uring mode.
> If multiple IOThreads are configured, the export distributes the uring
> queues to handle requests concurrently.
>
> Suggested-by: Kevin Wolf <kwolf@redhat.com>
> Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
> Signed-off-by: Brian Song <hibriansong@gmail.com>

[...]

> diff --git a/qapi/block-export.json b/qapi/block-export.json
> index 9ae703ad01..37f2fc47e2 100644
> --- a/qapi/block-export.json
> +++ b/qapi/block-export.json
> @@ -184,12 +184,15 @@
>  #     mount the export with allow_other, and if that fails, try again
>  #     without.  (since 6.1; default: auto)
>  #
> +# @io-uring: Use FUSE-over-io-uring.  (since 10.2; default: false)

since 11.0

> +#
>  # Since: 6.0
>  ##
>  { 'struct': 'BlockExportOptionsFuse',
>    'data': { 'mountpoint': 'str',
>              '*growable': 'bool',
> -            '*allow-other': 'FuseExportAllowOther' },
> +            '*allow-other': 'FuseExportAllowOther',
> +            '*io-uring': 'bool' },
>    'if': 'CONFIG_FUSE' }
>
>  ##

With that
Acked-by: Markus Armbruster <armbru@redhat.com>

[...]