}

// StorageFull storage ran out of space.
type StorageFull struct{}

func (e StorageFull) Error() string {
	return "Storage reached its minimum free drive threshold."
}

// SlowDown  too many file descriptors open or backend busy .
type SlowDown struct{}

func (e SlowDown) Error() string {
	return "Please reduce your request rate"
}

)

// Name - event type enum.
// Refer http://docs.aws.amazon.com/AmazonS3/latest/dev/NotificationHowTo.html#notification-how-to-event-types-and-destinations
// for most basic values we have since extend this and its not really much applicable other than a reference point.
// "s3:Replication:OperationCompletedReplication" is a MinIO extension.
type Name int

// Values of event Name
const (

func (z *erasureServerPools) updateRebalanceStats(ctx context.Context) error {
	var ok bool
	for i := range z.serverPools {
		if z.findIndex(i) == -1 {
			// Also ensure to initialize rebalanceStats to indicate
			// its a new pool that can receive rebalanced data.
			z.rebalMeta.PoolStats = append(z.rebalMeta.PoolStats, &rebalanceStats{})
			ok = true
		}
	}
	if ok {

			// found a pool
			return pinfo, z.poolsWithObject(poolObjInfos, opts), nil
		}

		if isErrReadQuorum(pinfo.Err) && !opts.MetadataChg {
			// read quorum is returned when the object is visibly
			// present but its unreadable, we simply ask the writes to
			// schedule to this pool instead. If there is no quorum
			// it will fail anyways, however if there is quorum available
			// with enough disks online but sufficiently inconsistent to

		return info, errFaultyDisk
	}

	info, err = p.storage.DiskInfo(ctx, opts)
	if err != nil {
		return info, err
	}

	// check cached diskID against backend
	// only if its non-empty.
	cachedID := *p.diskID.Load()
	if cachedID != "" && cachedID != info.ID {
		return info, errDiskNotFound
	}
	return info, nil
}

	}

	var chStorageClass bool
	if dstSc != "" && dstSc != srcInfo.StorageClass {
		chStorageClass = true
		srcInfo.metadataOnly = false
	} // no changes in storage-class expected so its a metadataonly operation.

	var reader io.Reader = gr

	// Set the actual size to the compressed/decrypted size if encrypted.
	actualSize, err := srcInfo.GetActualSize()
	if err != nil {

		if err == nil && fi.InlineData() {
			break
		}
	}

	if err != nil {
		// We can only look for dangling if we received all the responses, if we did
		// not we simply ignore it, since we can't tell for sure if its dangling object.
		if totalResp == er.setDriveCount && shouldCheckForDangling(err, errs, bucket) {
			_, derr := er.deleteIfDangling(context.Background(), bucket, object, metaArr, errs, nil, opts)
			if derr != nil {

		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",

		if parentInClaim != parentUser {
			return false
		}
	} else {
		// This is needed so a malicious user cannot
		// use a leaked session key of another user
		// to widen its privileges.
		return false
	}

	isOwnerDerived := parentUser == globalActiveCred.AccessKey

	var err error
	var svcPolicies []string
	roleArn := args.GetRoleArn()

	switch {

	// 2. If bucket versioning is suspended and
	//    a. version id is specified, remove its remote object.
	//    b. version id is not specified, remove null version's remote object if it exists.
	// 3. If bucket versioning is enabled and
	//    a. version id is specified, remove its remote object.
	//    b. version id is not specified, nothing to be done (a delete marker is added).
	delTier := false
	switch {