Struct Lock

weed/cluster/lock_manager/lock_manager.go:25–33

	nextGeneration atomic.Int64
}
type Lock struct {
	Token       string
	ExpiredAtNs int64
	Key         string // only used for moving locks
	Owner       string
	IsBackup    bool  // true if this node holds the lock as a backup
	Generation  int64 // monotonic fencing token, increments on fresh acquisition
	Seq         int64 // per-lock sequence number, increments on every mutation (acquire/renew/unlock)
}

func NewLockManager() *LockManager {
	t := &LockManager{