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schema: Re-structure schema for <filesystem> to avoid broken validation
The validation of a '<filesystem type='mount'>' device fails if the elements inside are not ordered in the order in the schema despite using <interleave>. This is a bug in libxml2's validator as removing the '<optional>' property from the definition of the 'type' attribute with 'mount' variable fixes the problem. I've reported it as another instance of a seemingly related issue: https://gitlab.gnome.org/GNOME/libxml2/-/issues/131 Meanwhile libvirt can re-arrange the schema by extracting the common bits into a new definition and referencing them from each of the choice groups explicitly. Resolves: https://gitlab.com/libvirt/libvirt/-/issues/392 Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Peter Krempa
parent
06ebad7c78
commit
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@ -2860,205 +2860,212 @@
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</interleave>
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</element>
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</define>
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<define name="filesystemCommon">
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<interleave>
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<element name="target">
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<attribute name="dir"/>
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<empty/>
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</element>
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<optional>
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<attribute name="accessmode">
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<choice>
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<value>passthrough</value>
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<value>mapped</value>
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<value>squash</value>
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</choice>
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</attribute>
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</optional>
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<optional>
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<attribute name="multidevs">
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<choice>
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<value>default</value>
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<value>remap</value>
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<value>forbid</value>
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<value>warn</value>
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</choice>
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</attribute>
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</optional>
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<optional>
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<attribute name="fmode">
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<ref name="createMode"/>
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</attribute>
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</optional>
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<optional>
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<attribute name="dmode">
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<ref name="createMode"/>
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</attribute>
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</optional>
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<optional>
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<element name="readonly">
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<empty/>
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</element>
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</optional>
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<optional>
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<ref name="deviceBoot"/>
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</optional>
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<optional>
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<ref name="alias"/>
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</optional>
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<optional>
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<ref name="acpi"/>
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</optional>
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<optional>
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<ref name="address"/>
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</optional>
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<optional>
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<element name="space_hard_limit">
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<ref name="scaledInteger"/>
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</element>
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</optional>
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<optional>
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<element name="space_soft_limit">
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<ref name="scaledInteger"/>
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</element>
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</optional>
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</interleave>
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</define>
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<define name="filesystem">
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<element name="filesystem">
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<interleave>
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<choice>
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<group>
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<attribute name="type">
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<value>file</value>
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</attribute>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<element name="source">
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<attribute name="file">
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<ref name="absFilePath"/>
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</attribute>
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<empty/>
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</element>
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</interleave>
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</group>
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<group>
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<attribute name="type">
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<value>block</value>
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</attribute>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<element name="source">
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<attribute name="dev">
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<ref name="absFilePath"/>
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</attribute>
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<empty/>
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</element>
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</interleave>
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</group>
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<group>
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<!-- type="mount" is default -->
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<optional>
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<attribute name="model">
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<choice>
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<value>virtio</value>
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<value>virtio-transitional</value>
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<value>virtio-non-transitional</value>
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</choice>
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</attribute>
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</optional>
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<choice>
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<group>
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<attribute name="type">
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<value>file</value>
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</attribute>
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<interleave>
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<optional>
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<attribute name="type">
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<value>mount</value>
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</attribute>
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<ref name="fsDriver"/>
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</optional>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<optional>
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<ref name="fsBinary"/>
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</optional>
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<element name="source">
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<choice>
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<group>
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<attribute name="dir">
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<ref name="absDirPath"/>
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</attribute>
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</group>
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<group>
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<attribute name="socket">
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<ref name="absFilePath"/>
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</attribute>
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</group>
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</choice>
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<empty/>
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</element>
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</interleave>
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</group>
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<group>
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<optional>
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<attribute name="type">
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<value>bind</value>
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<element name="source">
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<attribute name="file">
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<ref name="absFilePath"/>
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</attribute>
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</optional>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<element name="source">
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<attribute name="dir">
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<ref name="absDirPath"/>
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</attribute>
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<empty/>
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</element>
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</interleave>
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</group>
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<group>
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<attribute name="type">
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<value>template</value>
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</attribute>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<element name="source">
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<attribute name="name">
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<ref name="genericName"/>
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</attribute>
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<empty/>
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</element>
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</interleave>
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</group>
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<group>
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<attribute name="type">
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<value>ram</value>
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</attribute>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<element name="source">
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<attribute name="usage">
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<ref name="unsignedLong"/>
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</attribute>
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<optional>
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<attribute name="units">
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<ref name="unit"/>
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</attribute>
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</optional>
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<empty/>
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</element>
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</interleave>
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</group>
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</choice>
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<interleave>
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<element name="target">
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<attribute name="dir"/>
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<empty/>
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</element>
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<optional>
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<attribute name="accessmode">
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<choice>
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<value>passthrough</value>
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<value>mapped</value>
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<value>squash</value>
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</choice>
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</attribute>
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</optional>
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<optional>
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<attribute name="multidevs">
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<choice>
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<value>default</value>
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<value>remap</value>
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<value>forbid</value>
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<value>warn</value>
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</choice>
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</attribute>
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</optional>
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<optional>
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<attribute name="fmode">
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<ref name="createMode"/>
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</attribute>
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</optional>
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<optional>
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<attribute name="dmode">
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<ref name="createMode"/>
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</attribute>
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</optional>
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<optional>
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<element name="readonly">
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<empty/>
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</element>
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</optional>
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<optional>
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<ref name="deviceBoot"/>
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</optional>
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<optional>
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<ref name="alias"/>
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</optional>
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<optional>
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<ref name="acpi"/>
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</optional>
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<optional>
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<ref name="address"/>
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</optional>
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</interleave>
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<interleave>
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<optional>
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<element name="space_hard_limit">
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<ref name="scaledInteger"/>
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</element>
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</optional>
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<optional>
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<element name="space_soft_limit">
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<ref name="scaledInteger"/>
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</element>
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</optional>
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</interleave>
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<optional>
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<attribute name="model">
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<choice>
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<value>virtio</value>
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<value>virtio-transitional</value>
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<value>virtio-non-transitional</value>
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</choice>
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<ref name="filesystemCommon"/>
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</interleave>
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</group>
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<group>
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<attribute name="type">
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<value>block</value>
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</attribute>
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</optional>
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</interleave>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<element name="source">
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<attribute name="dev">
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<ref name="absFilePath"/>
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</attribute>
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<empty/>
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</element>
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<ref name="filesystemCommon"/>
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</interleave>
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</group>
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<group>
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<!-- type="mount" is default -->
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<optional>
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<attribute name="type">
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<value>mount</value>
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</attribute>
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</optional>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<optional>
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<ref name="fsBinary"/>
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</optional>
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<element name="source">
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<choice>
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<group>
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<attribute name="dir">
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<ref name="absDirPath"/>
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</attribute>
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</group>
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<group>
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<attribute name="socket">
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<ref name="absFilePath"/>
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</attribute>
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</group>
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</choice>
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<empty/>
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</element>
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<ref name="filesystemCommon"/>
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</interleave>
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</group>
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<group>
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<optional>
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<attribute name="type">
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<value>bind</value>
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</attribute>
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</optional>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<element name="source">
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<attribute name="dir">
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<ref name="absDirPath"/>
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</attribute>
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<empty/>
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</element>
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<ref name="filesystemCommon"/>
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</interleave>
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</group>
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<group>
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<attribute name="type">
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<value>template</value>
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</attribute>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<element name="source">
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<attribute name="name">
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<ref name="genericName"/>
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</attribute>
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<empty/>
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</element>
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<ref name="filesystemCommon"/>
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</interleave>
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</group>
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<group>
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<attribute name="type">
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<value>ram</value>
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</attribute>
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<interleave>
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<optional>
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<ref name="fsDriver"/>
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</optional>
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<element name="source">
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<attribute name="usage">
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<ref name="unsignedLong"/>
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</attribute>
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<optional>
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<attribute name="units">
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<ref name="unit"/>
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</attribute>
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</optional>
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<empty/>
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</element>
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<ref name="filesystemCommon"/>
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</interleave>
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</group>
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</choice>
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</element>
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</define>
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<define name="fsDriver">
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<element name="driver">
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<!-- Annoying inconsistency. "disk" uses "name"
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