[libvirt] [PATCH v4 1/5] blockjob: allow omitted arguments to QMP block-commit

[Eric Blake]

On 06/24/2014 01:10 AM, Peter Krempa wrote:
> On 06/24/14 01:30, Eric Blake wrote:
>> We are about to turn on support for active block commit.  Although
>> qemu 2.0 was the first version to mostly support it, that version
>> mis-handles 0-length files, and doesn't have anything available for
>> easy probing.  But qemu 2.1 fixed bugs, and made life simpler by
>> letting the 'top' argument be optional.  Unless someone begs for
>> active commit with qemu 2.0, for now we are just going to enable
>> it only by probing for qemu 2.1 behavior (anyone backporting active
>> commit can also backport the optional argument behavior).
>>

>> * src/qemu/qemu_monitor.h (qemuMonitorSupportsActiveCommit): New
>> prototype.
>> * src/qemu/qemu_monitor.c (qemuMonitorSupportsActiveCommit):
>> Implement it.
>> * src/qemu/qemu_monitor_json.h (qemuMonitorJSONBlockCommit):
>> Allow NULL for top and base, for probing purposes.
>> * src/qemu/qemu_monitor_json.c (qemuMonitorJSONBlockCommit):
>> Likewise, implementing the probe.
>> * tests/qemumonitorjsontest.c (mymain): Enable...
>> (testQemuMonitorJSONqemuMonitorSupportsActiveCommit): ...a new test.
>>

> 
> ACK,

Now pushed, after amending the commit message to point to the qemu.git
commit this was gated on.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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