[libvirt] [libvirt PATCH] qemu: Support discard for disk

[Osier Yang]

On 15/05/13 18:00, Martin Kletzander wrote:
> On 05/14/2013 02:44 PM, Osier Yang wrote:
>> QEMU introduced "discard" option for drive since commit a9384aff53,
>>
>> <...>
>> @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.
>> </...>
>>
>> This patch exposes the support in libvirt.
>>
>> QEMU supported "discard" for "-drive" since v1.5.0-rc0:
>>
>> % git tag --contains a9384aff53
>> contains
>> v1.5.0-rc0
>> v1.5.0-rc1
>>
>> So this only detects the capability bit using virQEMUCapsProbeQMPCommandLine.
>>
> ACK,
>
Thanks, pushed.

Osier