Re: [Qemu-devel] [PATCH v7 13/14] qmp-commands.hx: Update the supported 'transaction' operations

[John Snow <jsnow@redhat.com>]

On 09/21/2015 10:46 PM, Fam Zheng wrote:
> From: Kashyap Chamarthy <kchamart@redhat.com>
> 
> Although the canonical source of reference for QMP commands is
> qapi-schema.json, for consistency's sake, update qmp-commands.hx to
> state the list of supported transactionable operations, namely:
> 
>     drive-backup
>     blockdev-backup
>     blockdev-snapshot-internal-sync
>     abort
>     block-dirty-bitmap-add
>     block-dirty-bitmap-clear
> 
> Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> Reviewed-by: Max Reitz <mreitz@redhat.com>
> Signed-off-by: John Snow <jsnow@redhat.com>
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  qmp-commands.hx | 21 ++++++++++++++++-----
>  1 file changed, 16 insertions(+), 5 deletions(-)
> 
> diff --git a/qmp-commands.hx b/qmp-commands.hx
> index 66f0300..365c874 100644
> --- a/qmp-commands.hx
> +++ b/qmp-commands.hx
> @@ -1265,11 +1265,22 @@ SQMP
>  transaction
>  -----------
>  
> -Atomically operate on one or more block devices.  The only supported operations
> -for now are drive-backup, internal and external snapshotting.  A list of
> -dictionaries is accepted, that contains the actions to be performed.
> -If there is any failure performing any of the operations, all operations
> -for the group are abandoned.
> +Atomically operate on one or more block devices.  Operations that are
> +currently supported:
> +
> +    - drive-backup
> +    - blockdev-backup
> +    - blockdev-snapshot-sync
> +    - blockdev-snapshot-internal-sync
> +    - abort
> +    - block-dirty-bitmap-add
> +    - block-dirty-bitmap-clear
> +
> +Refer to the qemu/qapi-schema.json file for minimum required QEMU
> +versions for these operations.  A list of dictionaries is accepted,
> +that contains the actions to be performed.  If there is any failure
> +performing any of the operations, all operations for the group are
> +abandoned.
>  
>  For external snapshots, the dictionary contains the device, the file to use for
>  the new snapshot, and the format.  The default format, if not specified, is
> 

It recently occurred to me that this patch is incomplete, see just below:

'Arguments:

actions array:
    - "type": the operation to perform.  The only supported
      value is "blockdev-snapshot-sync". (json-string)
'


That's not the only type, now -- all the others listed above are valid
too, so this section could use a brush-up as well.

--js