On Fri, Oct 07, 2011 at 08:37:04PM -0600, Eric Blake wrote:
> With the recent refactoring of qemu snapshot relationships, it
> is now trivial to filter on leaves.
>
> * src/conf/domain_conf.c (virDomainSnapshotObjListCount)
> (virDomainSnapshotObjListCopyNames): Handle new flag.
> * src/qemu/qemu_driver.c (qemuDomainSnapshotListNames)
> (qemuDomainSnapshotNum, qemuDomainSnapshotListChildrenNames)
> (qemuDomainSnapshotNumChildren): Pass new flag through.
> ---
> src/conf/domain_conf.c |8 ++--
> src/qemu/qemu_driver.c | 12
> 2 files changed, 14 insertions(+), 6 deletions(-)
>
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index d52a79f..c2f599f 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -12148,7 +12148,9 @@ static void virDomainSnapshotObjListCopyNames(void
> *payload,
>
> if (data->oom)
> return;
> -if ((data->flags & VIR_DOMAIN_SNAPSHOT_LIST_ROOTS) && obj->def->parent)
> +/* LIST_ROOTS/LIST_DESCENDANTS was handled by caller,
> + * LIST_METADATA is a no-op if we get this far. */
> +if ((data->flags & VIR_DOMAIN_SNAPSHOT_LIST_LEAVES) && obj->nchildren)
> return;
>
> if (data->numnames < data->maxnames) {
> @@ -12233,7 +12235,9 @@ static void virDomainSnapshotObjListCount(void
> *payload,
> virDomainSnapshotObjPtr obj = payload;
> struct virDomainSnapshotNumData *data = opaque;
>
> -if ((data->flags & VIR_DOMAIN_SNAPSHOT_LIST_ROOTS) && obj->def->parent)
> +/* LIST_ROOTS/LIST_DESCENDANTS was handled by caller,
> + * LIST_METADATA is a no-op if we get this far. */
> +if ((data->flags & VIR_DOMAIN_SNAPSHOT_LIST_LEAVES) && obj->nchildren)
> return;
> data->count++;
> }
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index 7a134e3..3264d2c 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -9415,7 +9415,8 @@ static int qemuDomainSnapshotListNames(virDomainPtr
> domain, char **names,
> int n = -1;
>
> virCheckFlags(VIR_DOMAIN_SNAPSHOT_LIST_ROOTS |
> - VIR_DOMAIN_SNAPSHOT_LIST_METADATA, -1);
> + VIR_DOMAIN_SNAPSHOT_LIST_METADATA |
> + VIR_DOMAIN_SNAPSHOT_LIST_LEAVES, -1);
>
> qemuDriverLock(driver);
> vm = virDomainFindByUUID(&driver->domains, domain->uuid);
> @@ -9445,7 +9446,8 @@ static int qemuDomainSnapshotNum(virDomainPtr domain,
> int n = -1;
>
> virCheckFlags(VIR_DOMAIN_SNAPSHOT_LIST_ROOTS |
> - VIR_DOMAIN_SNAPSHOT_LIST_METADATA, -1);
> + VIR_DOMAIN_SNAPSHOT_LIST_METADATA |
> + VIR_DOMAIN_SNAPSHOT_LIST_LEAVES, -1);
>
> qemuDriverLock(driver);
> vm = virDomainFindByUUID(&driver->domains, domain->uuid);
> @@ -9482,7 +9484,8 @@
> qemuDomainSnapshotListChildrenNames(virDomainSnapshotPtr snapshot,
> int n = -1;
>
> virCheckFlags(VIR_DOMAIN_SNAPSHOT_LIST_DESCENDANTS |
> - VIR_DOMAIN_SNAPSHOT_LIST_METADATA, -1);
> + VIR_DOMAIN_SNAPSHOT_LIST_METADATA |
> + VIR_DOMAIN_SNAPSHOT_LIST_LEAVES, -1);
>
> qemuDriverLock(driver);
> vm = virDomainFindByUUID(&driver->domains, snapshot->domain->uuid);
> @@ -9521,7 +9524,8 @@ qemuDomainSnapshotNumChildren(virDomainSnapshotPtr
> snapshot,
> int n = -1;
>
> virCheckFlags(VIR_DOMAIN_SNAPSHOT_LIST_DESCENDANTS |
> - VIR_DOMAIN_SNAPSHOT_LIST_METADATA, -1);
> + VIR_DOMAIN_SNAPSHOT_LIST_METADATA |
> + VIR_DOMAIN_SNAPSHOT_LIST_LEAVES, -1);
>
> qemuDriverLock(driver);
> vm = virDomainFindByUUID(&driver->domains, snapshot->domain->uuid);
ACK,
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
dan...@veillard.com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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