[libvirt] [PATCH 2/2] qemu: Split out snapshot related functions to qemu_snapshot.c

[Eric Blake]

On 01/03/2013 09:45 AM, Peter Krempa wrote:
> ---
>  po/POTFILES.in           |    1 +
>  src/Makefile.am          |    1 +
>  src/qemu/qemu_driver.c   | 1699 +-------------------------------------------
>  src/qemu/qemu_snapshot.c | 1752 ++++++++++++++++++++++++++++++++++++++++++++++
>  src/qemu/qemu_snapshot.h |   38 +
>  5 files changed, 1793 insertions(+), 1698 deletions(-)
>  create mode 100644 src/qemu/qemu_snapshot.c
>  create mode 100644 src/qemu/qemu_snapshot.h

Now that I've seen Dan's arguments against 1/2, I tend to agree that
qemu_util.c doesn't make much sense.  But qemu_snapshot.c still makes
sense, so I will still review this one.

> +++ b/src/qemu/qemu_snapshot.c
> @@ -0,0 +1,1752 @@
> +/*
> + * qemu_snapshot.c: QEMU snapshot handling
> + *
> + * Copyright (C) 2013 Red Hat, Inc.

Same comments as in 1/2 about copying over copyright years from the
original location.

> +
> +#include <config.h>
> +
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <fcntl.h>
> +#include <unistd.h>
> +

And same comment about sorting includes.

> +#ifndef __QEMU_SNAPSHOT_H__
> +# define __QEMU_SNAPSHOT_H__
> +
> +# include "qemu_domain.h"
> +
> +virDomainSnapshotPtr qemuDomainSnapshotCreateXML(virDomainPtr domain,
> +                                                 const char *xmlDesc,
> +                                                 unsigned int flags);
> +
> +int qemuDomainRevertToSnapshot(virDomainSnapshotPtr,
> +                               unsigned int flags);
> +
> +int qemuDomainSnapshotDelete(virDomainSnapshotPtr snapshot,
> +                             unsigned int flags);
> +

Interesting subset.  Why not move any of these other snapshot-related
driver callbacks?  qemuDomainSnapshotGetXMLDesc, qemuDomainSnapshotNum,
qemuDomainSnapshotListNames, qemuDomainListAllSnapshots,
qemuDomainSnapshotNumChildren, qemuDomainSnapshotListChildrenNames,
qemuDomainSnapshotListAllChildren, qemuDomainSnapshotLookupByName,
qemuDomainSnapshotGetParent, qemuDomainSnapshotCurrent,
qemuDomainSnapshotIsCurrent, qemuDomainSnapshotHasMetadata

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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