Revert "[#972] Use min/max builtins"

This reverts commit 89784b2e0a.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

pkg/local_object_storage/blobovnicza/iterate.go

@@ -56,6 +56,14 @@ func (b *Blobovnicza) iterateBounds(useObjLimitBound bool, f func(uint64, uint64
 	return nil
 }
 
+func max(a, b uint64) uint64 {
+	if a > b {
+		return a
+	}
+
+	return b
+}
+
 // IterationElement represents a unit of elements through which Iterate operation passes.
 type IterationElement struct {
 	addr oid.Address

pkg/local_object_storage/engine/list.go

@@ -134,7 +134,10 @@ func (e *StorageEngine) ListWithCursor(ctx context.Context, prm ListWithCursorPr
 			continue
 		}
 
-		count := min(prm.count-uint32(len(result)), batchSize)
+		count := prm.count - uint32(len(result))
+		if count > batchSize {
+			count = batchSize
+		}
 
 		var shardPrm shard.ListWithCursorPrm
 		shardPrm.WithCount(count)

pkg/local_object_storage/shard/gc.go

@@ -343,8 +343,16 @@ func (s *Shard) removeGarbage(pctx context.Context) (result gcRunResult) {
 }
 
 func (s *Shard) getExpiredObjectsParameters() (workerCount, batchSize int) {
-	workerCount = max(minExpiredWorkers, s.gc.gcCfg.expiredCollectorWorkerCount)
-	batchSize = max(minExpiredBatchSize, s.gc.gcCfg.expiredCollectorBatchSize)
+	workerCount = minExpiredWorkers
+	batchSize = minExpiredBatchSize
+
+	if s.gc.gcCfg.expiredCollectorBatchSize > batchSize {
+		batchSize = s.gc.gcCfg.expiredCollectorBatchSize
+	}
+
+	if s.gc.gcCfg.expiredCollectorWorkerCount > workerCount {
+		workerCount = s.gc.gcCfg.expiredCollectorWorkerCount
+	}
 	return
 }