// tries to verify whether the disk has bitrot.
//
// Additionally ReadFile also starts reading from an offset. ReadFile
// semantics are same as io.ReadFull.
func (s *xlStorage) ReadFile(ctx context.Context, volume string, path string, offset int64, buffer []byte, verifier *BitrotVerifier) (int64, error) {
	if offset < 0 {
		return 0, errInvalidArgument
	}

	volumeDir, err := s.getVolDir(volume)
	if err != nil {

		zb0001--
		field, err = dc.ReadMapKeyPtr()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "V2Obj":
			if dc.IsNil() {
				err = dc.ReadNil()
				if err != nil {
					err = msgp.WrapError(err, "ObjectV2")
					return
				}
				z.ObjectV2 = nil
			} else {
				if z.ObjectV2 == nil {
					z.ObjectV2 = new(struct {

		}
	}

	{
		buf := make([]byte, 5)
		// Test for negative offset.
		if _, err = xlStorage.ReadFile(context.Background(), volume, "myobject", -1, buf, v); err == nil {
			t.Fatalf("expected: error, got: <nil>")
		}
	}

	for l := 0; l < 2; l++ {
		// Following block validates all ReadFile test cases.
		for i, testCase := range testCases {
			var n int64
			// Common read buffer.

				err = za0002.DecodeMsg(dc)
				if err != nil {
					err = msgp.WrapError(err, "Stats", za0001)
					return
				}
				z.Stats[za0001] = za0002
			}
		case "Timestamp":
			z.Timestamp, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "Timestamp")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}

			if err != nil {
				err = msgp.WrapError(err, "ResetID")
				return
			}
		case "StartTime":
			z.StartTime, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "StartTime")
				return
			}
		case "EndTime":
			z.EndTime, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "EndTime")
				return
			}
		case "ResyncStatus":

		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Check if anonymous (non-owner) has access to list objects.
	readable := globalPolicySys.IsAllowed(policy.BucketPolicyArgs{
		Action:          policy.ListBucketAction,
		BucketName:      bucket,
		ConditionValues: getConditionValues(r, "", auth.AnonymousCredentials),

github.com/chromedp/sysutil v1.0.0/go.mod h1:kgWmDdq8fTzXYcKIBqIYvRRTnYb9aNS9moAV0xufSww=
github.com/chzyer/logex v1.2.1/go.mod h1:JLbx6lG2kDbNRFnfkgvh4eRJRPX1QCoOIWomwysCBrQ=
github.com/chzyer/readline v1.5.1/go.mod h1:Eh+b79XXUwfKfcPLepksvw2tcLE/Ct21YObkaSkeBlk=
github.com/chzyer/test v1.0.0/go.mod h1:2JlltgoNkt4TW/z9V/IzDdFaMTM2JPIi26O1pF38GC8=

	if serviceAccount == siteReplicatorSvcAcc && globalSiteReplicationSys.isEnabled() {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidArgument), r.URL)
		return
	}
	// We do not care if service account is readable or not at this point,
	// since this is a delete call we shall allow it to be deleted if possible.
	svcAccount, _, err := globalIAMSys.GetServiceAccount(ctx, serviceAccount)
	if errors.Is(err, errNoSuchServiceAccount) {