}

// LoadUser - reloads a specific user from backend disks or etcd.
func (sys *IAMSys) LoadUser(ctx context.Context, objAPI ObjectLayer, accessKey string, userType IAMUserType) error {
	if !sys.Initialized() {
		return errServerNotInitialized
	}

	return sys.store.UserNotificationHandler(ctx, accessKey, userType)
}

// LoadServiceAccount - reloads a specific service account from backend disks or etcd.

		// Init and run test on ErasureSD backend with signature v4.
		{serverType: "ErasureSD", signer: signerV4},
		// Init and run test on ErasureSD backend, with tls enabled.
		{serverType: "ErasureSD", signer: signerV4, secure: true},
		// Init and run test on Erasure backend.
		{serverType: "Erasure", signer: signerV4},
		// Init and run test on ErasureSet backend.
		{serverType: "ErasureSet", signer: signerV4},
	}

		HTTPStatusCode: http.StatusBadRequest,
	},

	// MinIO extensions.
	ErrStorageFull: {
		Code:           "XMinioStorageFull",
		Description:    "Storage backend has reached its minimum free drive threshold. Please delete a few objects to proceed.",
		HTTPStatusCode: http.StatusInsufficientStorage,
	},
	ErrRequestBodyParse: {
		Code:           "XMinioRequestBodyParse",

			err = z.Init(ctx) // Initializes all pools.
		})
		if err != nil {
			if !configRetriableErrors(err) {
				logger.Fatal(err, "Unable to initialize backend")
			}
			retry := time.Duration(r.Float64() * float64(5*time.Second))
			storageLogIf(ctx, fmt.Errorf("Unable to initialize backend: %w, retrying in %s", err, retry))
			time.Sleep(retry)
			attempt++
			continue
		}
		break
	}

	return z, nil
}

	})
	return bucketName, f, nil
}

// prepare test backend.
// create FS/Erasure/ErasureSet backend.
// return object layer, backend disks.
func prepareTestBackend(ctx context.Context, instanceType string) (ObjectLayer, []string, error) {
	switch instanceType {
	// Total number of disks for Erasure sets backend is set to 32.
	case ErasureSetsTestStr:
		return prepareErasureSets32(ctx)

		return fi, nil, nil, toObjectErr(err, bucket, object)
	}

	if !fi.Deleted && len(fi.Erasure.Distribution) != len(onlineDisks) {
		err := fmt.Errorf("unexpected file distribution (%v) from online disks (%v), looks like backend disks have been manually modified refusing to heal %s/%s(%s)",
			fi.Erasure.Distribution, onlineDisks, bucket, object, opts.VersionID)
		storageLogOnceIf(ctx, err, "get-object-file-info-manually-modified")

		if err = mkdirAll(path, 0o777, ""); err != nil {
			return path, err
		}
	}
	if fi != nil && !fi.IsDir() {
		return path, errDiskNotDir
	}

	return path, nil
}

// Make Erasure backend meta volumes.
func makeFormatErasureMetaVolumes(disk StorageAPI) error {
	if disk == nil {
		return errDiskNotFound
	}
	volumes := []string{

}

// DeletePolicy - deletes policy from storage and cache. When this called in
// response to a notification (i.e. isFromNotification = true), it skips the
// validation of policy usage and the attempt to delete in the backend as well
// (as this is already done by the notifying node).
func (store *IAMStoreSys) DeletePolicy(ctx context.Context, policy string, isFromNotification bool) error {
	if policy == "" {
		return errInvalidArgument

					t.Errorf("Test %d: %s: Expected prefix name to be \"%s\", but found \"%s\" instead", i+1, instanceType, testCase.result.Prefixes[j], foundPrefixes[j])
				}
			}
		})
	}
}

// Initialize FS backend for the benchmark.
func initFSObjectsB(disk string, t *testing.B) (obj ObjectLayer) {
	obj, _, err := initObjectLayer(context.Background(), mustGetPoolEndpoints(0, disk))
	if err != nil {
		t.Fatal(err)
	}

	}
}

// Benchmarks for ObjectLayer.PutObjectPart().
// The intent is to benchmark PutObjectPart for various sizes ranging from few bytes to 100MB.
// Also each of these Benchmarks are run both Erasure and FS backends.

// BenchmarkPutObjectPart5MbFS - Benchmark FS.PutObjectPart() for object size of 5MB.
func BenchmarkPutObjectPart5MbFS(b *testing.B) {
	benchmarkPutObjectPart(b, "FS", 5*humanize.MiByte)
}