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libvirt/tests/qemustatusxml2xmldata/blockjob-blockdev-in.xml
Peter Krempa dae7d01322 qemu: blockjob: Register disk->mirror with a job only when required 
The <mirror> subelement is used in two ways: in a commit job to point to
existing storage, and in a block-copy job to point to additional
storage. We need a way to track only the distinct storage.

This patch introduces qemuBlockJobDiskRegisterMirror which registers the
mirror chain separately only for jobs which require it. This also comes
with remembering that in the status XML.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
ACKed-by: Eric Blake <eblake@redhat.com>
2019-07-25 13:21:33 +02:00

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<domstatus state='running' reason='booted' pid='7690'>
<taint flag='high-privileges'/>
<monitor path='/var/lib/libvirt/qemu/domain-4-copy/monitor.sock' type='unix'/>
<namespaces>
<mount/>
</namespaces>
<vcpus>
<vcpu id='0' pid='7696'/>
</vcpus>
<qemuCaps>
<flag name='kvm'/>
<flag name='no-hpet'/>
<flag name='spice'/>
<flag name='hda-duplex'/>
<flag name='ccid-emulated'/>
<flag name='ccid-passthru'/>
<flag name='virtio-tx-alg'/>
<flag name='virtio-blk-pci.ioeventfd'/>
<flag name='sga'/>
<flag name='virtio-blk-pci.event_idx'/>
<flag name='virtio-net-pci.event_idx'/>
<flag name='piix3-usb-uhci'/>
<flag name='piix4-usb-uhci'/>
<flag name='usb-ehci'/>
<flag name='ich9-usb-ehci1'/>
<flag name='vt82c686b-usb-uhci'/>
<flag name='pci-ohci'/>
<flag name='usb-redir'/>
<flag name='usb-hub'/>
<flag name='ich9-ahci'/>
<flag name='no-acpi'/>
<flag name='virtio-blk-pci.scsi'/>
<flag name='scsi-disk.channel'/>
<flag name='scsi-block'/>
<flag name='transaction'/>
<flag name='block-job-async'/>
<flag name='scsi-cd'/>
<flag name='ide-cd'/>
<flag name='hda-micro'/>
<flag name='dump-guest-memory'/>
<flag name='nec-usb-xhci'/>
<flag name='balloon-event'/>
<flag name='lsi'/>
<flag name='virtio-scsi-pci'/>
<flag name='blockio'/>
<flag name='disable-s3'/>
<flag name='disable-s4'/>
<flag name='usb-redir.filter'/>
<flag name='ide-drive.wwn'/>
<flag name='scsi-disk.wwn'/>
<flag name='seccomp-sandbox'/>
<flag name='reboot-timeout'/>
<flag name='seamless-migration'/>
<flag name='block-commit'/>
<flag name='vnc'/>
<flag name='drive-mirror'/>
<flag name='blockdev-snapshot-sync'/>
<flag name='qxl'/>
<flag name='VGA'/>
<flag name='cirrus-vga'/>
<flag name='vmware-svga'/>
<flag name='device-video-primary'/>
<flag name='usb-serial'/>
<flag name='nbd-server'/>
<flag name='virtio-rng'/>
<flag name='rng-random'/>
<flag name='rng-egd'/>
<flag name='megasas'/>
<flag name='tpm-passthrough'/>
<flag name='tpm-tis'/>
<flag name='pci-bridge'/>
<flag name='vfio-pci'/>
<flag name='mem-merge'/>
<flag name='drive-discard'/>
<flag name='mlock'/>
<flag name='device-del-event'/>
<flag name='dmi-to-pci-bridge'/>
<flag name='i440fx-pci-hole64-size'/>
<flag name='q35-pci-hole64-size'/>
<flag name='usb-storage'/>
<flag name='usb-storage.removable'/>
<flag name='ich9-intel-hda'/>
<flag name='kvm-pit-lost-tick-policy'/>
<flag name='boot-strict'/>
<flag name='pvpanic'/>
<flag name='spice-file-xfer-disable'/>
<flag name='usb-kbd'/>
<flag name='msg-timestamp'/>
<flag name='active-commit'/>
<flag name='change-backing-file'/>
<flag name='memory-backend-ram'/>
<flag name='numa'/>
<flag name='memory-backend-file'/>
<flag name='usb-audio'/>
<flag name='rtc-reset-reinjection'/>
<flag name='splash-timeout'/>
<flag name='iothread'/>
<flag name='migrate-rdma'/>
<flag name='ivshmem'/>
<flag name='drive-iotune-max'/>
<flag name='VGA.vgamem_mb'/>
<flag name='vmware-svga.vgamem_mb'/>
<flag name='qxl.vgamem_mb'/>
<flag name='pc-dimm'/>
<flag name='machine-vmport-opt'/>
<flag name='aes-key-wrap'/>
<flag name='dea-key-wrap'/>
<flag name='pci-serial'/>
<flag name='vhost-user-multiqueue'/>
<flag name='migration-event'/>
<flag name='ioh3420'/>
<flag name='x3130-upstream'/>
<flag name='xio3130-downstream'/>
<flag name='rtl8139'/>
<flag name='e1000'/>
<flag name='virtio-net'/>
<flag name='gic-version'/>
<flag name='incoming-defer'/>
<flag name='virtio-gpu'/>
<flag name='virtio-gpu.virgl'/>
<flag name='virtio-keyboard'/>
<flag name='virtio-mouse'/>
<flag name='virtio-tablet'/>
<flag name='virtio-input-host'/>
<flag name='chardev-file-append'/>
<flag name='ich9-disable-s3'/>
<flag name='ich9-disable-s4'/>
<flag name='vserport-change-event'/>
<flag name='virtio-balloon-pci.deflate-on-oom'/>
<flag name='mptsas1068'/>
<flag name='spice-gl'/>
<flag name='qxl.vram64_size_mb'/>
<flag name='chardev-logfile'/>
<flag name='debug-threads'/>
<flag name='secret'/>
<flag name='pxb'/>
<flag name='pxb-pcie'/>
<flag name='device-tray-moved-event'/>
<flag name='nec-usb-xhci-ports'/>
<flag name='virtio-scsi-pci.iothread'/>
<flag name='name-guest'/>
<flag name='qxl.max_outputs'/>
<flag name='spice-unix'/>
<flag name='drive-detect-zeroes'/>
<flag name='tls-creds-x509'/>
<flag name='intel-iommu'/>
<flag name='smm'/>
<flag name='virtio-pci-disable-legacy'/>
<flag name='query-hotpluggable-cpus'/>
<flag name='virtio-net.rx_queue_size'/>
<flag name='virtio-vga'/>
<flag name='drive-iotune-max-length'/>
<flag name='ivshmem-plain'/>
<flag name='ivshmem-doorbell'/>
<flag name='query-qmp-schema'/>
<flag name='gluster.debug_level'/>
<flag name='vhost-scsi'/>
<flag name='drive-iotune-group'/>
<flag name='query-cpu-model-expansion'/>
<flag name='virtio-net.host_mtu'/>
<flag name='spice-rendernode'/>
<flag name='nvdimm'/>
<flag name='pcie-root-port'/>
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
<flag name='cpu-cache'/>
<flag name='qemu-xhci'/>
<flag name='kernel-irqchip'/>
<flag name='kernel-irqchip.split'/>
<flag name='intel-iommu.intremap'/>
<flag name='intel-iommu.caching-mode'/>
<flag name='intel-iommu.eim'/>
<flag name='intel-iommu.device-iotlb'/>
<flag name='virtio.iommu_platform'/>
<flag name='virtio.ats'/>
<flag name='loadparm'/>
<flag name='vnc-multi-servers'/>
<flag name='virtio-net.tx_queue_size'/>
<flag name='chardev-reconnect'/>
<flag name='virtio-gpu.max_outputs'/>
<flag name='vxhs'/>
<flag name='virtio-blk.num-queues'/>
<flag name='vmcoreinfo'/>
<flag name='numa.dist'/>
<flag name='disk-share-rw'/>
<flag name='iscsi.password-secret'/>
<flag name='isa-serial'/>
<flag name='dump-completed'/>
<flag name='qcow2-luks'/>
<flag name='pcie-pci-bridge'/>
<flag name='seccomp-blacklist'/>
<flag name='query-cpus-fast'/>
<flag name='disk-write-cache'/>
<flag name='nbd-tls'/>
<flag name='tpm-crb'/>
<flag name='pr-manager-helper'/>
<flag name='qom-list-properties'/>
<flag name='memory-backend-file.discard-data'/>
<flag name='sdl-gl'/>
<flag name='screendump_device'/>
<flag name='hda-output'/>
<flag name='blockdev-del'/>
<flag name='vmgenid'/>
<flag name='vhost-vsock'/>
<flag name='chardev-fd-pass'/>
<flag name='tpm-emulator'/>
<flag name='mch'/>
<flag name='mch.extended-tseg-mbytes'/>
<flag name='usb-storage.werror'/>
<flag name='egl-headless'/>
<flag name='vfio-pci.display'/>
<flag name='blockdev'/>
<flag name='memory-backend-memfd'/>
<flag name='memory-backend-memfd.hugetlb'/>
<flag name='iothread.poll-max-ns'/>
<flag name='egl-headless.rendernode'/>
</qemuCaps>
<devices>
<device alias='rng0'/>
<device alias='sound0-codec0'/>
<device alias='virtio-disk0'/>
<device alias='virtio-serial0'/>
<device alias='video0'/>
<device alias='serial0'/>
<device alias='sound0'/>
<device alias='channel1'/>
<device alias='channel0'/>
<device alias='usb'/>
</devices>
<libDir path='/var/lib/libvirt/qemu/domain-4-copy'/>
<channelTargetDir path='/var/lib/libvirt/qemu/channel/target/domain-4-copy'/>
<chardevStdioLogd/>
<allowReboot value='yes'/>
<nodename index='0'/>
<blockjobs active='yes'>
<blockjob name='drive-virtio-disk0' type='copy' state='ready'>
<disk dst='vda' mirror='yes'/>
</blockjob>
<blockjob name='test-orphan-job0' type='copy' state='ready'>
<chains>
<disk type='file' format='qcow2'>
<source file='/orphan/source/top.qcow2' index='123'>
<privateData>
<nodenames>
<nodename type='storage' name='orphan-source-top-storage'/>
<nodename type='format' name='orphan-source-top-format'/>
</nodenames>
</privateData>
</source>
<backingStore type='file' index='321'>
<format type='qcow2'/>
<source file='/orphan/source/base.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='orphan-source-base-storage'/>
<nodename type='format' name='orphan-source-base-format'/>
</nodenames>
</privateData>
</source>
<backingStore/>
</backingStore>
</disk>
<mirror type='file' format='raw'>
<source file='/orphan/mirror/raw' index='42'>
<privateData>
<nodenames>
<nodename type='storage' name='orphan-mirror-raw-storage'/>
<nodename type='format' name='orphan-mirror-raw-format'/>
</nodenames>
</privateData>
</source>
<backingStore/>
</mirror>
</chains>
</blockjob>
</blockjobs>
<domain type='kvm' id='4'>
<name>copy</name>
<uuid>0439a4a8-db56-4933-9183-d8681d7b0746</uuid>
<memory unit='KiB'>1024000</memory>
<currentMemory unit='KiB'>1024000</currentMemory>
<vcpu placement='static'>1</vcpu>
<resource>
<partition>/machine</partition>
</resource>
<os>
<type arch='x86_64' machine='pc-i440fx-2.9'>hvm</type>
<boot dev='hd'/>
<bootmenu enable='yes'/>
</os>
<features>
<acpi/>
<apic/>
<vmport state='off'/>
</features>
<clock offset='utc'>
<timer name='rtc' tickpolicy='catchup'/>
<timer name='pit' tickpolicy='delay'/>
<timer name='hpet' present='no'/>
</clock>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<pm>
<suspend-to-mem enabled='no'/>
<suspend-to-disk enabled='no'/>
</pm>
<devices>
<emulator>/usr/bin/qemu-system-x86_64</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/tmp/src'/>
<backingStore/>
<mirror type='file' file='/tmp/copy' format='qcow2' job='copy' ready='yes'>
<format type='qcow2'/>
<source file='/tmp/copy'/>
</mirror>
<target dev='vda' bus='virtio'/>
<alias name='virtio-disk0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/tmp/pull4.qcow2' index='3'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-3-storage'/>
<nodename type='format' name='libvirt-3-format'/>
</nodenames>
</privateData>
</source>
<backingStore type='file' index='13'>
<format type='qcow2'/>
<source file='/tmp/pull3.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-13-storage'/>
<nodename type='format' name='libvirt-13-format'/>
</nodenames>
<relPath>pull3.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='14'>
<format type='qcow2'/>
<source file='/tmp/pull2.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-14-storage'/>
<nodename type='format' name='libvirt-14-format'/>
</nodenames>
<relPath>pull2.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='15'>
<format type='qcow2'/>
<source file='/tmp/pull1.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-15-storage'/>
<nodename type='format' name='libvirt-15-format'/>
</nodenames>
<relPath>pull1.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='16'>
<format type='qcow2'/>
<source file='/tmp/pull0.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-16-storage'/>
<nodename type='format' name='libvirt-16-format'/>
</nodenames>
<relPath>pull0.qcow2</relPath>
</privateData>
</source>
<backingStore/>
</backingStore>
</backingStore>
</backingStore>
</backingStore>
<target dev='vdb' bus='virtio'/>
<alias name='virtio-disk1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>
<privateData>
<qom name='/machine/peripheral/virtio-disk1/virtio-backend'/>
</privateData>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/tmp/commit4.qcow2' index='2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-2-storage'/>
<nodename type='format' name='libvirt-2-format'/>
</nodenames>
</privateData>
</source>
<backingStore type='file' index='9'>
<format type='qcow2'/>
<source file='/tmp/commit3.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-9-storage'/>
<nodename type='format' name='libvirt-9-format'/>
</nodenames>
<relPath>commit3.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='10'>
<format type='qcow2'/>
<source file='/tmp/commit2.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-10-storage'/>
<nodename type='format' name='libvirt-10-format'/>
</nodenames>
<relPath>commit2.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='11'>
<format type='qcow2'/>
<source file='/tmp/commit1.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-11-storage'/>
<nodename type='format' name='libvirt-11-format'/>
</nodenames>
<relPath>commit1.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='12'>
<format type='qcow2'/>
<source file='/tmp/commit0.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-12-storage'/>
<nodename type='format' name='libvirt-12-format'/>
</nodenames>
<relPath>commit0.qcow2</relPath>
</privateData>
</source>
<backingStore/>
</backingStore>
</backingStore>
</backingStore>
</backingStore>
<target dev='vdc' bus='virtio'/>
<alias name='virtio-disk2'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0c' function='0x0'/>
<privateData>
<qom name='/machine/peripheral/virtio-disk2/virtio-backend'/>
</privateData>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/tmp/copy4.qcow2' index='1'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-1-storage'/>
<nodename type='format' name='libvirt-1-format'/>
</nodenames>
</privateData>
</source>
<backingStore type='file' index='5'>
<format type='qcow2'/>
<source file='/tmp/copy3.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-5-storage'/>
<nodename type='format' name='libvirt-5-format'/>
</nodenames>
<relPath>copy3.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='6'>
<format type='qcow2'/>
<source file='/tmp/copy2.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-6-storage'/>
<nodename type='format' name='libvirt-6-format'/>
</nodenames>
<relPath>copy2.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='7'>
<format type='qcow2'/>
<source file='/tmp/copy1.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-7-storage'/>
<nodename type='format' name='libvirt-7-format'/>
</nodenames>
<relPath>copy1.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='8'>
<format type='qcow2'/>
<source file='/tmp/copy0.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-8-storage'/>
<nodename type='format' name='libvirt-8-format'/>
</nodenames>
<relPath>copy0.qcow2</relPath>
</privateData>
</source>
<backingStore/>
</backingStore>
</backingStore>
</backingStore>
</backingStore>
<target dev='vdc' bus='virtio'/>
<alias name='virtio-disk3'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0d' function='0x0'/>
<privateData>
<qom name='/machine/peripheral/virtio-disk3/virtio-backend'/>
</privateData>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/tmp/activecommit4.qcow2' index='17'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-17-storage'/>
<nodename type='format' name='libvirt-17-format'/>
</nodenames>
</privateData>
</source>
<backingStore type='file' index='18'>
<format type='qcow2'/>
<source file='/tmp/activecommit3.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-18-storage'/>
<nodename type='format' name='libvirt-18-format'/>
</nodenames>
<relPath>activecommit3.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='19'>
<format type='qcow2'/>
<source file='/tmp/activecommit2.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-19-storage'/>
<nodename type='format' name='libvirt-19-format'/>
</nodenames>
<relPath>activecommit2.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='20'>
<format type='qcow2'/>
<source file='/tmp/activecommit1.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-20-storage'/>
<nodename type='format' name='libvirt-20-format'/>
</nodenames>
<relPath>activecommit1.qcow2</relPath>
</privateData>
</source>
<backingStore type='file' index='21'>
<format type='qcow2'/>
<source file='/tmp/activecommit0.qcow2'>
<privateData>
<nodenames>
<nodename type='storage' name='libvirt-21-storage'/>
<nodename type='format' name='libvirt-21-format'/>
</nodenames>
<relPath>activecommit0.qcow2</relPath>
</privateData>
</source>
<backingStore/>
</backingStore>
</backingStore>
</backingStore>
</backingStore>
<target dev='vdd' bus='virtio'/>
<alias name='virtio-disk3'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0e' function='0x0'/>
<privateData>
<qom name='/machine/peripheral/virtio-disk3/virtio-backend'/>
</privateData>
</disk>
<controller type='usb' index='0' model='piix3-uhci'>
<alias name='usb'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='pci' index='0' model='pci-root'>
<alias name='pci.0'/>
</controller>
<serial type='pty'>
<source path='/dev/pts/34'/>
<target type='isa-serial' port='0'>
<model name='isa-serial'/>
</target>
<alias name='serial0'/>
</serial>
<console type='pty' tty='/dev/pts/34'>
<source path='/dev/pts/34'/>
<target type='serial' port='0'/>
<alias name='serial0'/>
</console>
<input type='mouse' bus='ps2'>
<alias name='input0'/>
</input>
<input type='keyboard' bus='ps2'>
<alias name='input1'/>
</input>
<graphics type='spice' port='5900' autoport='yes' listen='127.0.0.1'>
<listen type='address' address='127.0.0.1' fromConfig='1' autoGenerated='no'/>
<image compression='off'/>
</graphics>
<video>
<model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
<alias name='video0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='none'/>
</devices>
<seclabel type='dynamic' model='selinux' relabel='yes'>
<label>unconfined_u:unconfined_r:svirt_t:s0:c550,c786</label>
<imagelabel>unconfined_u:object_r:svirt_image_t:s0:c550,c786</imagelabel>
</seclabel>
<seclabel type='dynamic' model='dac' relabel='yes'>
<label>+0:+0</label>
<imagelabel>+0:+0</imagelabel>
</seclabel>
</domain>
</domstatus>
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