Index: uspace/lib/ext4/libext4_filesystem.c
===================================================================
--- uspace/lib/ext4/libext4_filesystem.c	(revision 2b5d9668b59972cbe16189c39d66821f9d605af4)
+++ uspace/lib/ext4/libext4_filesystem.c	(revision ff381a79ad697b23cc01e3f8a66966d2d2cbd7dc)
@@ -61,5 +61,5 @@
 
 	/* Initialize block library (4096 is size of communication channel) */
-	rc = block_init(EXCHANGE_SERIALIZE, fs->device, 4096);
+	rc = block_init(fs->device, 4096);
 	if (rc != EOK)
 		goto err;