dataman

type DataManager interface {
	Close() error
	DirectFile() file.File
	RollbackFile() file.File

	Alloc(size int64) (int64, error)
	Free(off int64) error
	UsableSize(off int64) (int64, error)
	Commit() error
}

type DataManagerLocked struct {
	DataManager
	sync.Mutex
}

type SimpleDataManager struct {
	// contains filtered or unexported fields
}