zb0001, err = dc.ReadUint8()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		(*z) = ChecksumAlgo(zb0001)
	}
	return
}

// EncodeMsg implements msgp.Encodable
func (z ChecksumAlgo) EncodeMsg(en *msgp.Writer) (err error) {
	err = en.WriteUint8(uint8(z))
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler

	if !sys.Initialized() {
		return errServerNotInitialized
	}

	if sys.usersSysType != MinIOUsersSysType {
		return errIAMActionNotAllowed
	}

	if !auth.IsAccessKeyValid(accessKey) {
		return auth.ErrInvalidAccessKeyLength
	}

	if !auth.IsSecretKeyValid(secretKey) {
		return auth.ErrInvalidSecretKeyLength
	}

	return sys.store.UpdateUserSecretKey(ctx, accessKey, secretKey)

					if err != nil {
						return err
					}
				}
			}
		}
	}
	if found == 0 {
		return errFileNotFound
	}
	return nil
}

// Return the disks belonging to the poolIdx, and setIdx.
func (z *erasureServerPools) GetDisks(poolIdx, setIdx int) ([]StorageAPI, error) {
	if poolIdx < len(z.serverPools) && setIdx < len(z.serverPools[poolIdx].sets) {

		index := index
		g.Go(func() (err error) {
			if disks[index] == nil {
				return errDiskNotFound
			}
			rf, err := disks[index].ReadXL(ctx, bucket, object, readData)
			if err != nil {
				return err
			}
			rawFileInfos[index] = rf
			return nil
		}, index)
	}

	return rawFileInfos, g.Wait()
}

			apiErr.Description = fmt.Sprintf("The authorization header is malformed; the region is wrong; expecting '%s'.", globalSite.Region)
			return apiErr
		}
	}
	return apiErr
}

func (e errorCodeMap) ToAPIErr(errCode APIErrorCode) APIError {
	return e.ToAPIErrWithErr(errCode, nil)
}

// error code to APIError structure, these fields carry respective
// descriptions for all the error responses.

				sys:     nil,
			})
			if zerr != nil {
				adminLogIf(ctx, zerr)
				return nil
			}
			header.Method = zip.Deflate
			zwriter, zerr := zipWriter.CreateHeader(header)
			if zerr != nil {
				adminLogIf(ctx, zerr)
				return nil
			}
			if _, err := io.Copy(zwriter, r); err != nil {
				adminLogIf(ctx, err)
			}
			return nil
		}
		for _, f := range iamExportFiles {

		return np, grid.NewRemoteErr(errServerNotInitialized)
	}

	policyName := mss.Get(peerRESTPolicy)
	if policyName == "" {
		return np, grid.NewRemoteErr(errors.New("policyName is missing"))
	}

	if err := globalIAMSys.LoadPolicy(context.Background(), objAPI, policyName); err != nil {
		return np, grid.NewRemoteErr(err)
	}

	return
}

// LoadPolicyMappingHandler - reloads a policy mapping on the server.

			if err != nil {
				err = msgp.WrapError(err, "PendingCount")
				return
			}
		case "FailedCount":
			z.FailedCount, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "FailedCount")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	return
}

// EncodeMsg implements msgp.Encodable

		}
		if osIsPermission(err) {
			return errDiskAccessDenied
		} else if isSysErrIO(err) {
			return errFaultyDisk
		}
		return err
	}

	// Stat succeeds we return errVolumeExists.
	return errVolumeExists
}

// ListVols - list volumes.
func (s *xlStorage) ListVols(ctx context.Context) (volsInfo []VolInfo, err error) {
	return listVols(ctx, s.drivePath)
}

				return auth.AccountOn
			}
			return auth.AccountOff
		}(),
	})

	if err := store.saveUserIdentity(ctx, accessKey, regUser, uinfo); err != nil {
		return updatedAt, err
	}

	if err := cache.updateUserWithClaims(accessKey, uinfo); err != nil {
		return updatedAt, err
	}

	return uinfo.UpdatedAt, nil
}