diff --git a/include/bcachefs.h b/include/bcachefs.h
index 94a4d80f..b04744b9 100644
--- a/include/bcachefs.h
+++ b/include/bcachefs.h
@@ -36,6 +36,7 @@ public:
 	bool create(const Partition& new_partition, OperationDetail& operationdetail);
 	void read_label(Partition& partition);
 	void read_uuid(Partition& partition);
+	bool resize(const Partition& partition_new, OperationDetail& operationdetail, bool fill_partition);
 };
 
 
diff --git a/src/bcachefs.cc b/src/bcachefs.cc
index f8c1f082..1a6514ae 100644
--- a/src/bcachefs.cc
+++ b/src/bcachefs.cc
@@ -45,6 +45,11 @@ FS bcachefs::get_filesystem_support()
 		fs.create_with_label = FS::EXTERNAL;
 		fs.read_label        = FS::EXTERNAL;
 		fs.read_uuid         = FS::EXTERNAL;
+		fs.grow              = FS::EXTERNAL;
+#ifdef ENABLE_ONLINE_RESIZE
+		if (Utils::kernel_version_at_least(3, 6, 0))
+			fs.online_grow = FS::EXTERNAL;
+#endif
 	}
 
 	fs_limits.min_size = 32 * MEBIBYTE;
@@ -131,4 +136,11 @@ void bcachefs::read_uuid(Partition& partition)
 }
 
 
+bool bcachefs::resize(const Partition& partition_new, OperationDetail& operationdetail, bool fill_partition)
+{
+	return ! execute_command("bcachefs device resize " + Glib::shell_quote(partition_new.get_path()),
+	                         operationdetail, EXEC_CHECK_STATUS);
+}
+
+
 } //GParted