// baseDir is not honored in plan9 and solaris platforms.
	return os.MkdirAll(dirPath, perm)
}

// readDirFn applies the fn() function on each entries at dirPath, doesn't recurse into
// the directory itself, if the dirPath doesn't exist this function doesn't return
// an error.
func readDirFn(dirPath string, filter func(name string, typ os.FileMode) error) error {
	d, err := Open(dirPath)

		leafErr = uerr
		// continue to look for leaf errors underneath
		uerr = errors.Unwrap(leafErr)
		depth++
		if depth == unwrapErrsDepth {
			// If we have reached enough depth we
			// do not further recurse down, this
			// is done to avoid any unnecessary
			// latencies this might bring.
			break
		}
	}
	if uerr == nil {
		leafErr = err
	}
	return leafErr
}

// One log message per error.

func osMkdirAll(dirPath string, perm os.FileMode, _ string) error {
	// baseDir is not honored in windows platform
	return os.MkdirAll(dirPath, perm)
}

// readDirFn applies the fn() function on each entries at dirPath, doesn't recurse into
// the directory itself, if the dirPath doesn't exist this function doesn't return
// an error.
func readDirFn(dirPath string, filter func(name string, typ os.FileMode) error) error {

	var fetched bool
	return func() []byte {
		if !fetched {
			data = input()
			fetched = true
		}
		return metadataEncrypter(key)("compression-index", data)
	}
}

// compressionIndexDecrypt reverses compressionIndexEncrypter.
func (o *ObjectInfo) compressionIndexDecrypt(input []byte) ([]byte, error) {
	return o.metadataDecrypter()("compression-index", input)
}

		{testBuckets[0], "newPrefix0", "newPrefix0", nil},
		{testBuckets[0], "newPrefix1", "newPrefix1", nil},
		{testBuckets[0], "newzen/zen/recurse/again/again/again/pics", "recurse", nil},
		{testBuckets[0], "obj0", "obj0", nil},
		{testBuckets[0], "obj1", "obj1", nil},
		{testBuckets[0], "obj2", "obj2", nil},
		{testBuckets[1], "obj1", "obj1", nil},

	if err != nil {
		return consumed, nil, typ, err
	}

	return consumed, nameBuf[:nameLen], typ, nil
}

// readDirFn applies the fn() function on each entries at dirPath, doesn't recurse into
// the directory itself, if the dirPath doesn't exist this function doesn't return
// an error.
func readDirFn(dirPath string, fn func(name string, typ os.FileMode) error) error {

			logger.CriticalIf(context.Background(), errors.New("unable to encrypt using object key"))
		}
		return buffer.Bytes()
	}
}

// metadataDecrypter reverses metadataEncrypter.
func (o *ObjectInfo) metadataDecrypter() objectMetaDecryptFn {
	return func(baseKey string, input []byte) ([]byte, error) {
		if len(input) == 0 {
			return input, nil
		}

	// null version and therefore don't require the free-version to track
	// anything
	if fi.VersionID == "" && !fi.IsRestoreObjReq() && !fi.Healing() {
		// Note: Restore object request reuses PutObject/Multipart
		// upload to copy back its data from the remote tier. This
		// doesn't replace the existing version, so we don't need to add
		// a free-version.
		xlMeta.AddFreeVersion(fi)
	}