Index: uspace/srv/fs/exfat/exfat_bitmap.h
===================================================================
--- uspace/srv/fs/exfat/exfat_bitmap.h	(revision e738d561ec893c7fb2077a51d9de556dd7e14b42)
+++ uspace/srv/fs/exfat/exfat_bitmap.h	(revision a53ed3a8097360ccf174e8d94fb407db919eb66a)
@@ -42,20 +42,20 @@
 struct exfat_bs;
 
-extern int exfat_bitmap_alloc_clusters(struct exfat_bs *, service_id_t, 
+extern errno_t exfat_bitmap_alloc_clusters(struct exfat_bs *, service_id_t, 
     exfat_cluster_t *, exfat_cluster_t);
-extern int exfat_bitmap_append_clusters(struct exfat_bs *, struct exfat_node *, 
+extern errno_t exfat_bitmap_append_clusters(struct exfat_bs *, struct exfat_node *, 
     exfat_cluster_t);
-extern int exfat_bitmap_free_clusters(struct exfat_bs *, struct exfat_node *, 
+extern errno_t exfat_bitmap_free_clusters(struct exfat_bs *, struct exfat_node *, 
     exfat_cluster_t);
-extern int exfat_bitmap_replicate_clusters(struct exfat_bs *, struct exfat_node *); 
+extern errno_t exfat_bitmap_replicate_clusters(struct exfat_bs *, struct exfat_node *); 
 
-extern int exfat_bitmap_is_free(struct exfat_bs *, service_id_t, exfat_cluster_t);
-extern int exfat_bitmap_set_cluster(struct exfat_bs *, service_id_t, exfat_cluster_t);
-extern int exfat_bitmap_clear_cluster(struct exfat_bs *, service_id_t, 
+extern errno_t exfat_bitmap_is_free(struct exfat_bs *, service_id_t, exfat_cluster_t);
+extern errno_t exfat_bitmap_set_cluster(struct exfat_bs *, service_id_t, exfat_cluster_t);
+extern errno_t exfat_bitmap_clear_cluster(struct exfat_bs *, service_id_t, 
     exfat_cluster_t);
 
-extern int exfat_bitmap_set_clusters(struct exfat_bs *, service_id_t, 
+extern errno_t exfat_bitmap_set_clusters(struct exfat_bs *, service_id_t, 
     exfat_cluster_t, exfat_cluster_t);
-extern int exfat_bitmap_clear_clusters(struct exfat_bs *, service_id_t, 
+extern errno_t exfat_bitmap_clear_clusters(struct exfat_bs *, service_id_t, 
     exfat_cluster_t, exfat_cluster_t);