tests: Do not allow forced type asserts (#20905)

cmd/xl-storage-format-v2.go

@@ -26,12 +26,12 @@ import (
 	"io"
 	"sort"
 	"strings"
-	"sync"
 	"time"
 
 	"github.com/cespare/xxhash/v2"
 	"github.com/google/uuid"
 	jsoniter "github.com/json-iterator/go"
+	"github.com/minio/minio/internal/bpool"
 	"github.com/minio/minio/internal/bucket/lifecycle"
 	"github.com/minio/minio/internal/bucket/replication"
 	"github.com/minio/minio/internal/config/storageclass"
@@ -703,18 +703,17 @@ func (j xlMetaV2Object) ToFileInfo(volume, path string, allParts bool) (FileInfo
 const metaDataReadDefault = 4 << 10
 
 // Return used metadata byte slices here.
-var metaDataPool = sync.Pool{New: func() interface{} { return make([]byte, 0, metaDataReadDefault) }}
+var metaDataPool = bpool.Pool[[]byte]{New: func() []byte { return make([]byte, 0, metaDataReadDefault) }}
 
 // metaDataPoolGet will return a byte slice with capacity at least metaDataReadDefault.
 // It will be length 0.
 func metaDataPoolGet() []byte {
-	return metaDataPool.Get().([]byte)[:0]
+	return metaDataPool.Get()[:0]
 }
 
 // metaDataPoolPut will put an unused small buffer back into the pool.
 func metaDataPoolPut(buf []byte) {
 	if cap(buf) >= metaDataReadDefault && cap(buf) < metaDataReadDefault*4 {
-		//nolint:staticcheck // SA6002 we are fine with the tiny alloc
 		metaDataPool.Put(buf)
 	}
 }
@@ -1982,7 +1981,6 @@ func mergeXLV2Versions(quorum int, strict bool, requestedVersions int, versions
 			if !latest.header.FreeVersion() {
 				nVersions++
 			}
-
 		} else {
 			// Find latest.
 			var latestCount int