if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.DeleteVol(ctx, volume, forceDelete)
}

func (d *naughtyDisk) WalkDir(ctx context.Context, opts WalkDirOptions, wr io.Writer) error {
	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.WalkDir(ctx, opts, wr)
}

}

func (p *xlStorageDiskIDCheck) ListVols(ctx context.Context) (vi []VolInfo, err error) {
	ctx, done, err := p.TrackDiskHealth(ctx, storageMetricListVols, "/")
	if err != nil {
		return nil, err
	}
	defer done(&err)

	return p.storage.ListVols(ctx)
}

func (p *xlStorageDiskIDCheck) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {

	// anymore, and therefore, is lost.
	DeleteKey(ctx context.Context, keyID string) error

	// ListKeys lists all key names.
	ListKeys(ctx context.Context) (*kes.ListIter[string], error)

	// ImportKey imports a cryptographic key into the KMS.
	ImportKey(ctx context.Context, keyID string, bytes []byte) error

//
//	e.g. Send the log to a http server
type Target interface {
	String() string
	Endpoint() string
	Stats() types.TargetStats
	Init(ctx context.Context) error
	IsOnline(ctx context.Context) bool
	Cancel()
	Send(ctx context.Context, entry interface{}) error
	Type() types.TargetType
}

var (

	// systemTargets is the set of enabled loggers.
	// Must be immutable at all times.

func (z *erasureServerPools) StorageInfo(ctx context.Context, metrics bool) StorageInfo {
	return globalNotificationSys.StorageInfo(z, metrics)
}

func (z *erasureServerPools) NSScanner(ctx context.Context, updates chan<- DataUsageInfo, wantCycle uint32, healScanMode madmin.HealScanMode) error {
	// Updates must be closed before we return.
	defer xioutil.SafeClose(updates)

	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	// add one and test exists.
	err := obj.MakeBucket(context.Background(), "bucket1", MakeBucketOptions{})
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	err = obj.MakeBucket(context.Background(), "bucket2", MakeBucketOptions{})
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	buckets, err := obj.ListBuckets(context.Background(), BucketOptions{})
	if err != nil {

// only via IAM notifications.
func (sys *IAMSys) LoadGroup(ctx context.Context, objAPI ObjectLayer, group string) error {
	if !sys.Initialized() {
		return errServerNotInitialized
	}

	return sys.store.GroupNotificationHandler(ctx, group)
}

// LoadPolicy - reloads a specific canned policy from backend disks or etcd.
func (sys *IAMSys) LoadPolicy(ctx context.Context, objAPI ObjectLayer, policyName string) error {

// specific error.
func toAdminAPIErrCode(ctx context.Context, err error) APIErrorCode {
	if errors.Is(err, errErasureWriteQuorum) {
		return ErrAdminConfigNoQuorum
	}
	return toAPIErrorCode(ctx, err)
}

// wraps export error for more context
func exportError(ctx context.Context, err error, fname, entity string) APIError {
	if entity == "" {

	GetPolicy(ctx context.Context, policy string) (*kes.Policy, error)

	// ListPolicies lists all policies.
	ListPolicies(ctx context.Context) (*kes.ListIter[string], error)

	_, _, s3Err = checkRequestAuthTypeCredential(ctx, r, action)
	return s3Err
}

func authenticateRequest(ctx context.Context, r *http.Request, action policy.Action) (s3Err APIErrorCode) {
	if logger.GetReqInfo(ctx) == nil {
		bugLogIf(ctx, errors.New("unexpected context.Context does not have a logger.ReqInfo"), logger.ErrorKind)
		return ErrAccessDenied
	}

	var cred auth.Credentials
	var owner bool
	switch getRequestAuthType(r) {