[libvirt] [PATCHv2] qemu: fix not update weight in def after success

https://bugzilla.redhat.com/show_bug.cgi?id=1253107 Call virCgroupGetBlkioWeight to re-read blkio.weight right after it are set in order to keep our internal structures up-to-date. Signed-off-by: Luyao Huang <lhuang(a)redhat.com&gt; --- src/qemu/qemu_driver.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index b6ac075..5cc38ad 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -9183,7 +9183,8 @@ qemuDomainSetBlkioParameters(virDomainPtr dom, virTypedParameterPtr param = &params[i]; if (STREQ(param->field, VIR_DOMAIN_BLKIO_WEIGHT)) { - if (virCgroupSetBlkioWeight(priv->cgroup, param->value.ui) < 0) + if (virCgroupSetBlkioWeight(priv->cgroup, param->value.ui) < 0 || + virCgroupGetBlkioWeight(priv->cgroup, &def->blkio.weight) < 0) ret = -1; } else if (STREQ(param->field, VIR_DOMAIN_BLKIO_DEVICE_WEIGHT) || STREQ(param->field, VIR_DOMAIN_BLKIO_DEVICE_READ_IOPS) || -- 1.8.3.1