// the Close() function is called.
type closeNotifier struct {
	rc   io.ReadCloser
	done chan struct{}
}

func (c *closeNotifier) Read(p []byte) (n int, err error) {
	n, err = c.rc.Read(p)
	if err != nil {
		if c.done != nil {
			xioutil.SafeClose(c.done)
			c.done = nil
		}
	}
	return n, err
}

func (c *closeNotifier) Close() error {

		ptr := globalDeploymentIDPtr.Load()
		if ptr == nil {
			return ""
		}
		return *ptr
	}

	globalAllHealState = newHealState(GlobalContext, true)

	// The always present healing routine ready to heal objects
	globalBackgroundHealRoutine = newHealRoutine()
	globalBackgroundHealState   = newHealState(GlobalContext, false)

	globalMRFState = mrfState{
		opCh: make(chan partialOperation, mrfOpsQueueSize),
	}

type diskHealthWrapper struct {
	tracker *healthDiskCtxValue
	r       io.Reader
	w       io.Writer
}

func (d *diskHealthWrapper) Read(p []byte) (int, error) {
	if d.r == nil {
		return 0, fmt.Errorf("diskHealthWrapper: Read with no reader")
	}
	n, err := d.r.Read(p)
	if err == nil || err == io.EOF && n > 0 {
		d.tracker.logSuccess()
	}
	return n, err
}

					return nil, err
				}
			case 1, 2:
				v, b, err := msgp.ReadBytesZC(b)
				if err != nil {
					return nil, err
				}
				if _, nbuf, err := msgp.ReadUint32Bytes(b); err == nil {
					// Read metadata CRC (added in v2, ignore if not found)
					b = nbuf
				}

				_, err = msgp.CopyToJSON(buf, bytes.NewReader(v))
				if err != nil {
					return nil, err
				}
				data = b
			case 3:

		return "Unknown"
	}
}

// InsufficientReadQuorum storage cannot satisfy quorum for read operation.
type InsufficientReadQuorum struct {
	Bucket string
	Object string
	Err    error
	Type   RQErrType
}

func (e InsufficientReadQuorum) Error() string {
	return "Storage resources are insufficient for the read operation " + e.Bucket + "/" + e.Object
}

// Unwrap the error.

// Check if this is Helm package installation and report helm chart version
func getHelmVersion(helmInfoFilePath string) string {
	// Read the file exists.
	helmInfoFile, err := Open(helmInfoFilePath)
	if err != nil {
		// Log errors and return "" as MinIO can be deployed
		// without Helm charts as well.
		if !osIsNotExist(err) {

#         - "s3:GetBucketLocation"
#         - "s3:ListBucket"
#         - "s3:ListBucketMultipartUploads"
## readonlyexamplepolicy policy grants access to buckets with name starting with example.
## In addition, grants objects read permissions on buckets starting with example.
# - name: readonlyexamplepolicy
#   statements:
#     - resources:
#         - 'arn:aws:s3:::example*/*'
#       actions:
#         - "s3:GetObject"

	if err != nil {
		return err
	}

	if len(data) == 0 {
		return nil
	}
	if len(data) <= 4 {
		return fmt.Errorf("rebalanceMeta: no data")
	}

	// Read header
	switch binary.LittleEndian.Uint16(data[0:2]) {
	case rebalMetaFmt:
	default:
		return fmt.Errorf("rebalanceMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}

			if errors.Is(err, io.EOF) {
				err = nil
			}
			break
		}
		stat = append(stat, st)
	}

	return stat, toStorageErr(err)
}

// ReadMultiple will read multiple files and send each back as response.
// Files are read and returned in the given order.
// The resp channel is closed before the call returns.
// Only a canceled context or network errors returns an error.

| `minio_system_drive_reads_per_sec`             | `gauge`   | Reads per second on a drive                                        | `drive,set_index,drive_index,pool_index,server`     |
| `minio_system_drive_reads_kb_per_sec`          | `gauge`   | Kilobytes read per second on a drive                               | `drive,set_index,drive_index,pool_index,server`     |