Index: uspace/srv/fs/fat/fat.h
===================================================================
--- uspace/srv/fs/fat/fat.h	(revision 4bf40f637e087cec01fa625a48d7080bccb464cf)
+++ uspace/srv/fs/fat/fat.h	(revision c947ddaf96090f24e3214f83f9af8b837a7e00da)
@@ -224,4 +224,5 @@
 extern void fat_lookup(ipc_callid_t, ipc_call_t *);
 extern void fat_read(ipc_callid_t, ipc_call_t *);
+extern void fat_write(ipc_callid_t, ipc_call_t *);
 
 extern fat_idx_t *fat_idx_get_by_pos(dev_handle_t, fat_cluster_t, unsigned);