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22cf6d46f4
Prior to this patch, for a running dom, the commands: $ virsh blkiotune dom --device-weights /dev/sda,502,/dev/sdb,498 $ virsh blkiotune dom --device-weights /dev/sda,503 $ virsh blkiotune dom weight : 500 device_weight : /dev/sda,503 claim that /dev/sdb no longer has a non-default weight, but directly querying cgroups says otherwise: $ cat /cgroup/blkio/libvirt/qemu/dom/blkio.weight_device 8:0 503 8:16 498 After this patch, an explicit 0 is required to remove a device path from the XML, and omitting a device path that was previously specified leaves that device path untouched in the XML, to match cgroups behavior. * src/qemu/qemu_driver.c (parseBlkioWeightDeviceStr): Rename... (qemuDomainParseDeviceWeightStr): ...and use correct type. (qemuDomainSetBlkioParameters): After parsing string, modify rather than replacing existing table. * tools/virsh.pod (blkiotune): Tweak wording. |
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| daemon | ||
| docs | ||
| examples | ||
| gnulib | ||
| include | ||
| m4 | ||
| po | ||
| python | ||
| src | ||
| tests | ||
| tools | ||
| .dir-locals.el | ||
| .gitignore | ||
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| .mailmap | ||
| AUTHORS | ||
| autobuild.sh | ||
| autogen.sh | ||
| bootstrap | ||
| bootstrap.conf | ||
| cfg.mk | ||
| ChangeLog-old | ||
| configure.ac | ||
| COPYING.LIB | ||
| HACKING | ||
| libvirt.pc.in | ||
| libvirt.spec.in | ||
| Makefile.am | ||
| Makefile.nonreentrant | ||
| mingw32-libvirt.spec.in | ||
| README | ||
| README-hacking | ||
| TODO | ||
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>