Function NewManager

core/mount/manager/manager.go:81–109

(db *bolt.DB, targetDir string, opts ...Opt)

}

func NewManager(db *bolt.DB, targetDir string, opts ...Opt) (mount.Manager, error) {
	options := managerOptions{}
	for _, o := range opts {
		if err := o(&options); err != nil {
			return nil, err
		}
	}
	if err := os.MkdirAll(targetDir, 0700); err != nil {
		return nil, err
	}
	tr, err := os.OpenRoot(targetDir)
	if err != nil {
		return nil, fmt.Errorf("failed to open target root %q: %w", targetDir, err)
	}
	rootMap := map[string]*os.Root{
		tr.Name(): tr,
	}
	for _, r := range options.roots {
		rootMap[r.Name()] = r
	}

	return &mountManager{
		db:       db,
		targets:  tr,
		handlers: options.handlers,
		rootMap:  rootMap,
		activate: kmutex.New(),
	}, nil
}

type mountManager struct {
	db       *bolt.DB