Index: uspace/lib/c/include/ipc/vfs.h
===================================================================
--- uspace/lib/c/include/ipc/vfs.h	(revision 609243f4f1d6e7562d9c9b79e38925b36e844ac0)
+++ uspace/lib/c/include/ipc/vfs.h	(revision 45ffe9faaef82875e304653fac4c7cb31e499558)
@@ -42,4 +42,5 @@
 #define FS_NAME_MAXLEN  20
 #define MAX_PATH_LEN    (64 * 1024)
+#define MAX_MNTOPTS_LEN 256
 #define PLB_SIZE        (2 * MAX_PATH_LEN)
 
@@ -80,4 +81,5 @@
 	VFS_IN_DUP,
 	VFS_IN_WAIT_HANDLE,
+	VFS_IN_GET_MTAB,
 } vfs_in_request_t;