Re: [PATCH 02/13] qemu: domain: Extract parsing of 'commit' blockjob data into a function

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On Wed, Mar 04, 2020 at 06:26:30PM +0100, Peter Krempa wrote:
> I'll be adding more fields to care about so splitting the code out will
> be better long-term.
> 
> Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
> ---
>  src/qemu/qemu_domain.c | 57 ++++++++++++++++++++++++++----------------
>  1 file changed, 36 insertions(+), 21 deletions(-)
> 
> diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> index 71d0a400cc..0a478d2080 100644
> --- a/src/qemu/qemu_domain.c
> +++ b/src/qemu/qemu_domain.c
> @@ -3153,6 +3153,40 @@ qemuDomainObjPrivateXMLParseBlockjobNodename(qemuBlockJobDataPtr job,
>  }
> 
> 
> +static int
> +qemuDomainObjPrivateXMLParseBlockjobDataCommit(qemuBlockJobDataPtr job,
> +                                               xmlXPathContextPtr ctxt)
> +{
> +    if (job->type == QEMU_BLOCKJOB_TYPE_COMMIT) {
> +        qemuDomainObjPrivateXMLParseBlockjobNodename(job,
> +                                                     "string(./topparent/@node)",
> +                                                     &job->data.commit.topparent,
> +                                                     ctxt);
> +
> +        if (!job->data.commit.topparent)
> +            return -1;
> +    }
> +
> +    qemuDomainObjPrivateXMLParseBlockjobNodename(job,
> +                                                 "string(./top/@node)",
> +                                                 &job->data.commit.top,
> +                                                 ctxt);
> +    qemuDomainObjPrivateXMLParseBlockjobNodename(job,
> +                                                 "string(./base/@node)",
> +                                                 &job->data.commit.base,
> +                                                 ctxt);
> +
> +    if (virXPathNode("./deleteCommittedImages", ctxt))
> +        job->data.commit.deleteCommittedImages = true;
> +
> +    if (!job->data.commit.top ||
> +        !job->data.commit.base)
> +        return -1;
> +
> +    return 0;
> +}
> +
> +
>  static void
>  qemuDomainObjPrivateXMLParseBlockjobDataSpecific(qemuBlockJobDataPtr job,
>                                                   xmlXPathContextPtr ctxt,
> @@ -3172,29 +3206,10 @@ qemuDomainObjPrivateXMLParseBlockjobDataSpecific(qemuBlockJobDataPtr job,
>              break;
> 
>          case QEMU_BLOCKJOB_TYPE_COMMIT:
> -            qemuDomainObjPrivateXMLParseBlockjobNodename(job,
> -                                                         "string(./topparent/@node)",
> -                                                         &job->data.commit.topparent,
> -                                                         ctxt);
> -
> -            if (!job->data.commit.topparent)
> -                goto broken;
> -
> -            G_GNUC_FALLTHROUGH;
>          case QEMU_BLOCKJOB_TYPE_ACTIVE_COMMIT:
> -            qemuDomainObjPrivateXMLParseBlockjobNodename(job,
> -                                                         "string(./top/@node)",
> -                                                         &job->data.commit.top,
> -                                                         ctxt);
> -            qemuDomainObjPrivateXMLParseBlockjobNodename(job,
> -                                                         "string(./base/@node)",
> -                                                         &job->data.commit.base,
> -                                                         ctxt);
> -            if (virXPathNode("./deleteCommittedImages", ctxt))
> -                job->data.commit.deleteCommittedImages = true;
> -            if (!job->data.commit.top ||
> -                !job->data.commit.base)
> +            if (qemuDomainObjPrivateXMLParseBlockjobDataCommit(job, ctxt) < 0)
>                  goto broken;
> +
>              break;
> 
>          case QEMU_BLOCKJOB_TYPE_CREATE:
> -- 
> 2.24.1

Reviewed-by: Pavel Mores <pmores@xxxxxxxxxx>





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