On 11/20/14, 14:09 , "Eric Blake" <eblake@xxxxxxxxxx> wrote:
>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@xxxxxxx>
>> ---
>> 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.
OK, I¹ll add ndevAlias and iterate the devAlias array using that counter.
Thanks,
Tomoki Sekiyama
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