On Wed, Jan 25, 2017 at 02:32:13PM +0100, Michal Privoznik wrote:
On 01/25/2017 10:16 AM, Martin Kletzander wrote:We were setting it based on whether it was supported and that lead to setting it to NULL, which our JSON code caught. However it ended up producing the following results:$ virsh blkdeviotune fedora vda --total-bytes-sec-max 2000 error: Unable to change block I/O throttle error: internal error: argument key 'group' must not have null value Signed-off-by: Martin Kletzander <mklet...@redhat.com> --- src/qemu/qemu_driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 516a851d3d55..f45972e3c823 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -17506,7 +17506,7 @@ qemuDomainSetBlockIoTune(virDomainPtr dom, qemuDomainObjEnterMonitor(driver, vm); ret = qemuMonitorSetBlockIoThrottle(priv->mon, device, &info, supportMaxOptions, - supportGroupNameOption, + set_fields & QEMU_BLOCK_IOTUNE_SET_GROUP_NAME, supportMaxLengthOptions); if (qemuDomainObjExitMonitor(driver, vm) < 0) ret = -1;ACK, but the other options (Max and MaxLength) seem to suffer the same issue.
I believe that is handled by qemuDomainSetBlockIoTuneDefaults(). If not, patches are welcome :D
Michal
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