[libvirt] [PATCHv6 0/7] block io throttle via per-device block IO tuning

[Eric Blake]

Here's the latest state of Lei's patch series with all my comments
folded in.  I may have a few more tweaks to make now that I'm at
the point of testing things with both old qemu (graceful rejection)
and new qemu (sensical return values), so it may be a day or two (or
even a weekend, since this is a holiday weekend for me) before I
actually push this, so it wouldn't hurt if anyone else wants to
review in the meantime.

Lei Li (7):
  Add new API virDomain{Set, Get}BlockIoTune
  Add virDomain{Set, Get}BlockIoTune support to the remote driver
  Support block I/O throttle in XML
  Implement virDomain{Set, Get}BlockIoTune for the qemu driver
  Enable the blkdeviotune command in virsh
  Support virDomain{Set, Get}BlockIoTune in the python API
  Add tests for blkdeviotune

 daemon/remote.c                                    |   64 ++++
 docs/formatdomain.html.in                          |   39 +++
 docs/schemas/domaincommon.rng                      |  122 +++++--
 include/libvirt/libvirt.h.in                       |   63 ++++
 python/generator.py                                |    2 +
 python/libvirt-override-api.xml                    |   16 +
 python/libvirt-override.c                          |  178 ++++++++++
 src/conf/domain_conf.c                             |   90 +++++-
 src/conf/domain_conf.h                             |   14 +
 src/driver.h                                       |   20 ++
 src/libvirt.c                                      |  148 +++++++++
 src/libvirt_public.syms                            |    6 +
 src/qemu/qemu_command.c                            |   31 ++
 src/qemu/qemu_driver.c                             |  340 ++++++++++++++++++++
 src/qemu/qemu_monitor.c                            |   33 ++
 src/qemu/qemu_monitor.h                            |    8 +
 src/qemu/qemu_monitor_json.c                       |  176 ++++++++++
 src/qemu/qemu_monitor_json.h                       |    8 +
 src/qemu/qemu_monitor_text.c                       |  151 +++++++++-
 src/qemu/qemu_monitor_text.h                       |    8 +
 src/remote/remote_driver.c                         |   57 ++++
 src/remote/remote_protocol.x                       |   27 ++-
 src/remote_protocol-structs                        |   24 ++
 .../qemuxml2argv-blkdeviotune.args                 |    7 +
 .../qemuxml2argvdata/qemuxml2argv-blkdeviotune.xml |   30 ++
 tests/qemuxml2argvtest.c                           |    2 +
 tests/qemuxml2xmltest.c                            |    1 +
 tools/virsh.c                                      |  244 ++++++++++++++
 tools/virsh.pod                                    |   30 ++
 29 files changed, 1900 insertions(+), 39 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-blkdeviotune.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-blkdeviotune.xml

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1.7.7.3