Re: [libvirt] [PATCH v2 04/12] qemu: Introduce qemuDomainSetBlockIoTuneSetDefaults

Create a helper to set the bytes/iops iotune default values based on the current qemu setting Signed-off-by: John Ferlan <jferlan(a)redhat.com&gt; --- src/qemu/qemu_driver.c | 66 ++++++++++++++++++++++++++++++-------------------- 1 file changed, 40 insertions(+), 26 deletions(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 78e917e..fcce3f0 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -17286,6 +17286,43 @@ qemuDomainOpenGraphicsFD(virDomainPtr dom, return ret; } + +/* If the user didn't specify bytes limits, inherit previous values; + * likewise if the user didn't specify iops limits. */ +static void +qemuDomainSetBlockIoTuneSetDefaults(virDomainBlockIoTuneInfoPtr newinfo, + virDomainBlockIoTuneInfoPtr oldinfo, + bool set_bytes, + bool set_iops, + bool set_bytes_max, + bool set_iops_max, + bool set_size_iops) +{

+ if (!set_bytes) { + newinfo->total_bytes_sec = oldinfo->total_bytes_sec; + newinfo->read_bytes_sec = oldinfo->read_bytes_sec; + newinfo->write_bytes_sec = oldinfo->write_bytes_sec; + }