libvirt/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-discard.args
Osier Yang 9049d6a8c7 qemu: Change values of disk discard
QEMU might support more values for "-drive discard", so using Bi-state
values (on/off) for it doesn't make sense.

"on" maps to "unmap", "off" maps to "ignore":

<...>
@var{discard} is one of "ignore" (or "off") or "unmap" (or "on") and
controls whether @dfn{discard} (also known as @dfn{trim} or @dfn{unmap})
requests are ignored or passed to the filesystem.  Some machine types
may not support discard requests.
</...>
2013-05-17 13:03:25 +08:00

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LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test \
/usr/bin/qemu -S -M pc-0.13 -m 1024 -smp 1 -nographic -nodefaults \
-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot dc -usb \
-drive file=/var/lib/libvirt/images/f14.img,if=none,id=drive-virtio-disk0,discard=unmap \
-device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0 \
-drive file=/var/lib/libvirt/Fedora-14-x86_64-Live-KDE.iso,if=none,media=cdrom,id=drive-ide0-1-0,discard=ignore \
-device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3