Changed the InMemory bool to a uint32 so that it can be used to alter how much space to reserve

weed/topology/allocate_volume.go

@@ -18,12 +18,12 @@ func AllocateVolume(dn *DataNode, grpcDialOption grpc.DialOption, vid needle.Vol
 	return operation.WithVolumeServerClient(dn.Url(), grpcDialOption, func(client volume_server_pb.VolumeServerClient) error {
 
 		_, deleteErr := client.AllocateVolume(context.Background(), &volume_server_pb.AllocateVolumeRequest{
-			VolumeId:    uint32(vid),
-			Collection:  option.Collection,
-			Replication: option.ReplicaPlacement.String(),
-			Ttl:         option.Ttl.String(),
-			Preallocate: option.Prealloacte,
-			InMemory:    option.InMemory,
+			VolumeId:           uint32(vid),
+			Collection:         option.Collection,
+			Replication:        option.ReplicaPlacement.String(),
+			Ttl:                option.Ttl.String(),
+			Preallocate:        option.Prealloacte,
+			MemoryMapMaxSizeMB: option.MemoryMapMaxSizeMB,
 		})
 		return deleteErr
 	})

weed/topology/volume_growth.go

@@ -21,14 +21,14 @@ This package is created to resolve these replica placement issues:
 */
 
 type VolumeGrowOption struct {
-	Collection       string
-	ReplicaPlacement *storage.ReplicaPlacement
-	Ttl              *needle.TTL
-	Prealloacte      int64
-	DataCenter       string
-	Rack             string
-	DataNode         string
-	InMemory         bool
+	Collection         string
+	ReplicaPlacement   *storage.ReplicaPlacement
+	Ttl                *needle.TTL
+	Prealloacte        int64
+	DataCenter         string
+	Rack               string
+	DataNode           string
+	MemoryMapMaxSizeMB uint32
 }
 
 type VolumeGrowth struct {