[libvirt] [PATCH v6 4/6] qemu: Implement virDomainFSFreeze and virDomainFSThaw
Daniel P. Berrange
berrange at redhat.com
Wed Apr 30 15:28:32 UTC 2014
On Tue, Apr 29, 2014 at 08:04:18PM -0400, Tomoki Sekiyama wrote:
> Use qemuDomainSnapshotFSFreeze() and qemuDomainSnapshotFSFThaw() which are
> already implemented for snapshot quiescing.
>
> Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama at hds.com>
> ---
> src/qemu/qemu_driver.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 89 insertions(+)
>
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index c3e0682..6bfd508 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -16528,6 +16528,93 @@ qemuConnectGetCPUModelNames(virConnectPtr conn,
> }
>
>
> +static int
> +qemuDomainFSFreeze(virDomainPtr dom,
> + const char **mountpoints,
> + unsigned int nmountpoints,
> + unsigned int flags)
> +{
> + virQEMUDriverPtr driver = dom->conn->privateData;
> + virDomainObjPtr vm;
> + int ret = -1;
> +
> + virCheckFlags(0, -1);
> +
> + if (mountpoints || nmountpoints)
> + VIR_INFO("mountpoints option is not supported and ignored for now");
We should report VIR_ERR_ARGUMENT_UNSUPPORTED and return -1 to
the caller
> +static int
> +qemuDomainFSThaw(virDomainPtr dom,
> + const char **mountpoints ATTRIBUTE_UNUSED,
> + unsigned int nmountpoints ATTRIBUTE_UNUSED,
> + unsigned int flags)
> +{
> + virQEMUDriverPtr driver = dom->conn->privateData;
> + virDomainObjPtr vm;
> + int ret = -1;
> +
> + virCheckFlags(0, -1);
Same comment about VIR_ERR_ARGUMENT_UNSUPPORTED for nmountpoints
being non-NULL.
Regards,
Daniel
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