From b8657865b237cb70bc81fd1a4a377de784523006 Mon Sep 17 00:00:00 2001
From: Sergey Berezansky <sergey@weka.io>
Date: Tue, 28 Mar 2023 17:07:15 +0300
Subject: [PATCH] fix: correctly calculate Power

---
 pkg/wekafs/volume.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkg/wekafs/volume.go b/pkg/wekafs/volume.go
index 9c94f603d..831ffcd1e 100644
--- a/pkg/wekafs/volume.go
+++ b/pkg/wekafs/volume.go
@@ -15,6 +15,7 @@ import (
 	"google.golang.org/grpc/status"
 	"io"
 	"io/fs"
+	"math"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -1117,7 +1118,7 @@ func (v *Volume) Create(ctx context.Context, capacity int64) error {
 	}
 	if v.isFilesystem() {
 		// filesystem size might be larger than free space, check it
-		fsSize := Max(int64(capacity), v.initialFilesystemSize)
+		fsSize := Max(capacity, v.initialFilesystemSize)
 		if fsSize > maxStorageCapacity {
 			return status.Errorf(codes.OutOfRange, fmt.Sprintf("Minimum filesystem size %d is set in storageClass, which exceeds total free capacity %d", fsSize, maxStorageCapacity))
 		}
@@ -1526,7 +1527,7 @@ func (v *Volume) ObtainRequestParams(ctx context.Context, params map[string]stri
 		if err != nil {
 			return err
 		}
-		v.initialFilesystemSize = int64(raw)*1024 ^ 3
+		v.initialFilesystemSize = int64(raw) * int64(math.Pow10(9))
 	}
 	return nil
 }