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Merge pull request #53970 from ScorpioCPH/add-more-comments

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Automatic merge from submit-queue (batch tested with PRs 55283, 55461, 55288, 53970, 55487). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Add more comments for DevicePluginHandlerImpl struct

**What this PR does / why we need it**:

Add more comments

**Special notes for your reviewer**:

@jiayingz PTAL.

**Release note**:

```
NONE
```
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Kubernetes Submit Queue 2017-11-13 12:32:27 -08:00 committed by GitHub
commit e2c02f425a
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4
pkg/kubelet/cm/deviceplugin/device_plugin_handler.go
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@ -61,12 +61,14 @@ type Handler interface {
type HandlerImpl struct { type HandlerImpl struct {
// TODO: consider to change this to RWMutex. // TODO: consider to change this to RWMutex.
sync.Mutex sync.Mutex
// devicePluginManager is an implementation of deviceplugin.Manager interface.
devicePluginManager Manager devicePluginManager Manager
// activePods is a method for listing active pods on the node // activePods is a method for listing active pods on the node
// so the amount of pluginResources requested by existing pods // so the amount of pluginResources requested by existing pods
// could be counted when updating allocated devices // could be counted when updating allocated devices
activePods ActivePodsFunc activePods ActivePodsFunc
// devicePluginManagerMonitorCallback is used for testing only. // devicePluginManagerMonitorCallback is used for updating devices' states in one time call.
// e.g. a new device is advertised, two old devices are deleted and a running device fails.
devicePluginManagerMonitorCallback MonitorCallback devicePluginManagerMonitorCallback MonitorCallback
// allDevices contains all of registered resourceNames and their exported device IDs. // allDevices contains all of registered resourceNames and their exported device IDs.
allDevices map[string]sets.String allDevices map[string]sets.String