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* xen_disk: add discard supportOlaf Hering2014-05-071-0/+12
| | | | | | | | | | | | | Implement discard support for xen_disk. It makes use of the existing discard code in qemu. The discard support is enabled unconditionally. The tool stack may provide a property "discard-enable" in the backend node to optionally disable discard support. This is helpful in case the backing file was intentionally created non-sparse to avoid fragmentation. Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
* hw: move private headers to hw/ subdirectories.Paolo Bonzini2013-04-081-0/+103
Many headers are used only in a single directory. These can be kept in hw/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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