[libvirt] [PATCH V2 1/2] libxl: set default disk format in device post-parse

Jim Fehlig jfehlig at suse.com
Thu Feb 9 16:26:26 UTC 2017


Michal Privoznik wrote:
> On 02/07/2017 08:46 PM, Jim Fehlig wrote:
>> When starting a domian, a libxl_domain_config object is created from
>> virDomainDef. Any virDomainDiskDef devices with a format of
>> VIR_STORAGE_FILE_NONE are mapped to LIBXL_DISK_FORMAT_RAW in the
>> corresponding libxl_disk_device, but the virDomainDiskDef format is
>> never updated to reflect the change.
>>
>> A better place to set a default format for disk devices is the
>> device post-parse callback, ensuring the virDomainDiskDef object
>> reflects the default format.
>>
>> Signed-off-by: Jim Fehlig <jfehlig at suse.com>
>> ---
>>  src/libxl/libxl_conf.c   | 10 ++--------
>>  src/libxl/libxl_domain.c |  7 ++++++-
>>  2 files changed, 8 insertions(+), 9 deletions(-)
> 
> ACK.
> 
> BTW looks like you forgot about one other location:
> 
> src/libxl/libxl_driver.c=5452=libxlDomainBlockStatsGatherSingle(virDomainObjPtr vm,
> --
> src/libxl/libxl_driver.c-5469-
> src/libxl/libxl_driver.c-5470-    if (STREQ(disk_drv, "phy")) {
> src/libxl/libxl_driver.c-5471-        if (disk_fmt != VIR_STORAGE_FILE_RAW &&
> src/libxl/libxl_driver.c:5472:            disk_fmt != VIR_STORAGE_FILE_NONE) {
> src/libxl/libxl_driver.c-5473-            virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
> src/libxl/libxl_driver.c-5474-                           _("unsupported format %s"),
> src/libxl/libxl_driver.c-5475-                           virStorageFileFormatTypeToString(disk_fmt));

Ah, thanks. I've added that one to the patch and pushed the series.

Regards,
Jim




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