--- IO-AIO/AIO.xs	2011/07/05 20:34:42	1.184
+++ IO-AIO/AIO.xs	2011/07/07 22:36:18	1.185
@@ -893,6 +893,8 @@
     const_eio (SYNC_FILE_RANGE_WRITE)
     const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
 
+    const_eio (FALLOC_FL_KEEP_SIZE)
+
     const_eio (READDIR_DENTS)
     const_eio (READDIR_DIRS_FIRST)
     const_eio (READDIR_STAT_ORDER)
@@ -1017,6 +1019,23 @@
 
         REQ_SEND (req);
 }
+
+void
+aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
+	PPCODE:
+{
+  	int fd = s_fileno_croak (fh, 0);
+        dREQ;
+
+        req->type = EIO_FALLOCATE;
+        req->sv1  = newSVsv (fh);
+        req->int1 = fd;
+        req->int2 = mode;
+        req->offs = offset;
+        req->size = len;
+
+        REQ_SEND (req);
+}
 
 void
 aio_close (SV *fh, SV *callback=&PL_sv_undef)