[libvirt] [PATCH v2 0/4] Introduce support for virtio-blk-pci iothreads

[John Ferlan]

On 08/27/2014 05:35 PM, John Ferlan wrote:
> 
> 
> On 08/26/2014 06:15 PM, John Ferlan wrote:
>> v1:
>> http://www.redhat.com/archives/libvir-list/2014-August/msg01155.html
>>
>> Changes since v1
>>
>> Patches 1-3 - purely from code review
>> Patch 4 - rework the checking of the to be added disk that has the iothread
>>      property set to be done during qemuBuildDriveDevStr() after the config
>>      check. This way the same checks are done for both start and hotplug.
>>
>>      Only set the "inuse" bit after qemuBuildDriveDevStr() returns successfully
>>      for both start and hotplug. This also enforces only setting for this path
>>
>>      Since the only way a disk with the property can be added is if the current
>>      emulator supports the feature, the calls to set/clear the bit if iothread
>>      is set should be safe from not needing to also ensure iothreadmap exists.
>>
>> John Ferlan (4):
>>   domain_conf: Introduce iothreads XML
>>   qemu: Add support for iothreads
>>   domain_conf: Add support for iothreads in disk definition
>>   qemu: Allow use of iothreads for disk definitions
>>
>>  docs/formatdomain.html.in                          | 34 ++++++++++++
>>  docs/schemas/domaincommon.rng                      | 14 +++++
>>  src/conf/domain_conf.c                             | 47 +++++++++++++++-
>>  src/conf/domain_conf.h                             |  4 ++
>>  src/qemu/qemu_capabilities.c                       |  2 +
>>  src/qemu/qemu_capabilities.h                       |  1 +
>>  src/qemu/qemu_command.c                            | 64 ++++++++++++++++++++++
>>  src/qemu/qemu_hotplug.c                            |  6 ++
>>  .../qemuxml2argv-iothreads-disk.args               | 17 ++++++
>>  .../qemuxml2argv-iothreads-disk.xml                | 40 ++++++++++++++
>>  tests/qemuxml2argvdata/qemuxml2argv-iothreads.args |  8 +++
>>  tests/qemuxml2argvdata/qemuxml2argv-iothreads.xml  | 29 ++++++++++
>>  tests/qemuxml2argvtest.c                           |  4 ++
>>  tests/qemuxml2xmltest.c                            |  2 +
>>  14 files changed, 271 insertions(+), 1 deletion(-)
>>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-iothreads-disk.args
>>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-iothreads-disk.xml
>>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-iothreads.args
>>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-iothreads.xml
>>
> 
> Given Stephan's comment about allowing more than 1 disk per IOThread - I
> have removed the iothreadmap (and other remnants including docs).
> 
> If folks want to see the changes before pushing that's fine, but since I
> figure I'm just removing code/checks - it'd still be "OK" for push.  I
> will "wait" for an answer knowing the sleep/work cycles of the various
> interested parties are not the same as mine :-)
> 
>

I pushed the changes without the iothreadmap

John