})
	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)

		}

		// Fetching the backend information
		backendInfo := objectAPI.BackendInfo()
		// Calculate the number of online/offline disks of all nodes
		var allDisks []madmin.Disk
		for _, s := range servers {
			allDisks = append(allDisks, s.Disks...)
		}
		onlineDisks, offlineDisks := getOnlineOfflineDisksStats(allDisks)

		backend = madmin.ErasureBackend{

}

// 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},
	}

		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{

	xMinIOErrDescHeader = "x-minio-error-desc"
)

// Check if there are buckets on server without corresponding entry in etcd backend and
// make entries. Here is the general flow
// - Range over all the available buckets
// - Check if a bucket has an entry in etcd backend
// -- If no, make an entry
// -- If yes, check if the entry matches local IP check if we
//
//	need to update the entry then proceed to update
//

		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 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")

build:mkl --define=build_with_mkl=true --define=enable_mkl=true
build:mkl --define=tensorflow_mkldnn_contraction_kernel=0
build:mkl --define=build_with_openmp=true
build:mkl -c opt

# config to build OneDNN backend with a user specified threadpool.
build:mkl_threadpool --define=build_with_mkl=true --define=enable_mkl=true
build:mkl_threadpool --define=tensorflow_mkldnn_contraction_kernel=0