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io_v2.go: remove blkio v1 code 

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
This commit is contained in:
Akihiro Suda 2019-10-18 21:33:48 +09:00
parent 4e3701702e
commit 033936ef76
1 changed files with 10 additions and 51 deletions
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61
libcontainer/cgroups/fs/io_v2.go
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@ -17,6 +17,7 @@ type IOGroupV2 struct {
}
func (s *IOGroupV2) Name() string {
// for compatibility with v1 blkio controller
return "blkio"
}
@ -29,73 +30,31 @@ func (s *IOGroupV2) Apply(d *cgroupData) error {
}
func (s *IOGroupV2) Set(path string, cgroup *configs.Cgroup) error {
cgroupsv2 := cgroups.IsCgroup2UnifiedMode()
if cgroup.Resources.BlkioWeight != 0 {
filename := "blkio.weight"
if cgroupsv2 {
filename = "io.bfq.weight"
}
filename := "io.bfq.weight"
if err := writeFile(path, filename, strconv.FormatUint(uint64(cgroup.Resources.BlkioWeight), 10)); err != nil {
return err
}
}
if cgroup.Resources.BlkioLeafWeight != 0 {
if err := writeFile(path, "blkio.leaf_weight", strconv.FormatUint(uint64(cgroup.Resources.BlkioLeafWeight), 10)); err != nil {
return err
}
}
for _, wd := range cgroup.Resources.BlkioWeightDevice {
if err := writeFile(path, "blkio.weight_device", wd.WeightString()); err != nil {
return err
}
if err := writeFile(path, "blkio.leaf_weight_device", wd.LeafWeightString()); err != nil {
return err
}
}
for _, td := range cgroup.Resources.BlkioThrottleReadBpsDevice {
if cgroupsv2 {
if err := writeFile(path, "io.max", td.StringName("rbps")); err != nil {
return err
}
} else {
if err := writeFile(path, "blkio.throttle.read_bps_device", td.String()); err != nil {
return err
}
if err := writeFile(path, "io.max", td.StringName("rbps")); err != nil {
return err
}
}
for _, td := range cgroup.Resources.BlkioThrottleWriteBpsDevice {
if cgroupsv2 {
if err := writeFile(path, "io.max", td.StringName("wbps")); err != nil {
return err
}
} else {
if err := writeFile(path, "blkio.throttle.write_bps_device", td.String()); err != nil {
return err
}
if err := writeFile(path, "io.max", td.StringName("wbps")); err != nil {
return err
}
}
for _, td := range cgroup.Resources.BlkioThrottleReadIOPSDevice {
if cgroupsv2 {
if err := writeFile(path, "io.max", td.StringName("riops")); err != nil {
return err
}
} else {
if err := writeFile(path, "blkio.throttle.read_iops_device", td.String()); err != nil {
return err
}
if err := writeFile(path, "io.max", td.StringName("riops")); err != nil {
return err
}
}
for _, td := range cgroup.Resources.BlkioThrottleWriteIOPSDevice {
if cgroupsv2 {
if err := writeFile(path, "io.max", td.StringName("wiops")); err != nil {
return err
}
} else {
if err := writeFile(path, "blkio.throttle.write_iops_device", td.String()); err != nil {
return err
}
if err := writeFile(path, "io.max", td.StringName("wiops")); err != nil {
return err
}
}