[libvirt] [PATCH v2 1/5] Implement public API for virDomainGetFSInfo
Eric Blake
eblake at redhat.com
Thu Nov 20 19:09:56 UTC 2014
On 11/17/2014 04:26 PM, Tomoki Sekiyama wrote:
> virDomainGetFSInfo returns a list of filesystems information mounted in the
> guest, which contains mountpoints, device names, filesystem types, and
> device aliases named by libvirt. This will be useful, for example, to
> specify mountpoints to fsfreeze when taking snapshot of a part of disks.
>
> Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama at hds.com>
> ---
> include/libvirt/libvirt-domain.h | 21 ++++++++++++
> src/driver-hypervisor.h | 6 +++
> src/libvirt.c | 66 ++++++++++++++++++++++++++++++++++++++
> src/libvirt_public.syms | 6 +++
> 4 files changed, 99 insertions(+)
>
> +++ b/include/libvirt/libvirt-domain.h
> @@ -3456,6 +3456,27 @@ int virDomainFSThaw(virDomainPtr dom,
> unsigned int nmountpoints,
> unsigned int flags);
>
> +/**
> + * virDomainFSInfo:
> + *
> + * The data structure containing mounted file systems within a guset
> + *
> + */
> +typedef struct _virDomainFSInfo virDomainFSInfo;
> +typedef virDomainFSInfo *virDomainFSInfoPtr;
> +struct _virDomainFSInfo {
> + char *mountpoint; /* path to mount point */
> + char *name; /* device name in the guest (e.g. "sda1") */
> + char *type; /* filesystem type */
> + char **devAlias; /* NULL-terminated array of disk device aliases */
> +};
Is it worth also having a size_t ndevAlias that says how long the array
is? It may make client life easier if they have an up-front count.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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