func Errorf(format string, a ...interface{}) error {
	e := fmt.Errorf(format, a...)
	ee := Error{}
	ee.msg = e.Error()
	ee.cause = errors.Unwrap(e)
	return ee
}

// Unwrap the internal error.
func (e Error) Unwrap() error { return e.cause }

// Error 'error' compatible method.
func (e Error) Error() string {
	if e.msg == "" {
		return "crypto: cause <nil>"
	}
	return e.msg
}

var (

package nodeagent

import (
	"errors"
	"fmt"
)

var ErrPartialAdd = errors.New("partial add error")

type PartialAddError struct {
	inner error
}

func (e *PartialAddError) Error() string {
	return fmt.Sprintf("%s: %v", ErrPartialAdd.Error(), e.inner)
}

func (e *PartialAddError) Unwrap() []error {
	return []error{ErrPartialAdd, e.inner}
}

	return "Object name invalid: " + e.Bucket + "/" + e.Object
}

// Error returns string an error formatted as the given text.
func (e ObjectNameTooLong) Error() string {
	return "Object name too long: " + e.Bucket + "/" + e.Object
}

// Error returns string an error formatted as the given text.
func (e ObjectNamePrefixAsSlash) Error() string {

				HTTPStatusCode: http.StatusBadRequest,
			}
		case replication.Error:
			apiErr = APIError{
				Code:           "MalformedXML",
				Description:    e.Error(),
				HTTPStatusCode: http.StatusBadRequest,
			}
		case tags.Error:
			apiErr = APIError{
				Code:           e.Code(),
				Description:    e.Error(),
				HTTPStatusCode: http.StatusBadRequest,
			}
		case policy.Error:

type StorageErr string

func (h StorageErr) Error() string {
	return string(h)
}

// Collection of basic errors.
var baseErrs = []error{
	errDiskNotFound,
	errFaultyDisk,
	errFaultyRemoteDisk,
}

var baseIgnoredErrs = baseErrs

// Is a one place function which converts all os.PathError
// into a more FS object layer friendly form, converts

}

// wraps export error for more context
func exportError(ctx context.Context, err error, fname, entity string) APIError {
	if entity == "" {
		return toAPIError(ctx, fmt.Errorf("error exporting %s with: %w", fname, err))
	}
	return toAPIError(ctx, fmt.Errorf("error exporting %s from %s with: %w", entity, fname, err))
}

// wraps import error for more context

)

type Watcher struct {
	watcher *fsnotify.Watcher
	Events  chan struct{}
	Errors  chan error
}

// Waits until a file is modified (returns nil), the context is cancelled (returns context error), or returns error
func (w *Watcher) Wait(ctx context.Context) error {
	select {
	case <-w.Events:
		return nil
	case err := <-w.Errors:
		return err
	case <-ctx.Done():
		return ctx.Err()
	}
}

	startTime := time.Now()
	trace := globalTrace.NumSubscribers(madmin.TraceStorage) > 0
	return func(errp *error) {
		duration := time.Since(startTime)

		var err error
		if errp != nil && *errp != nil {
			err = *errp
		}

		atomic.AddUint64(&p.apiCalls[s], 1)
		if IsErr(err, []error{
			errFaultyDisk,
			errFaultyRemoteDisk,

	defer func() {
		if err != nil {
			err = AdminError{
				Code:       AdminUpdateUnexpectedFailure,
				Message:    err.Error(),
				StatusCode: http.StatusInternalServerError,
			}
		}
	}()

	fields := strings.Fields(data)
	if len(fields) != 2 {
		err = fmt.Errorf("Unknown release data `%s`", data)

		if err != nil {
			iamLogIf(GlobalContext, fmt.Errorf("error parsing role ARN %s: %v", roleArn, err))
			return false
		}
		policies = newMappedPolicy(sys.rolesMap[arn]).toSlice()

	default:
		// Otherwise, inherit parent user's policy
		var err error
		policies, err = sys.PolicyDBGet(parentUser, args.Groups...)
		if err != nil {
			iamLogIf(GlobalContext, fmt.Errorf("error fetching policies on %s: %v", parentUser, err))