engine/filecreate: use clat and reads for stats

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 8fad2ce6f4d889e8de2013391ee1dad00787681d..df79e2dffb3043e771fa437f6f1845b423a41160 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -1797,6 +1797,10 @@ I/O engine
                        absolute or relative. See :file:`engines/skeleton_external.c` for
                        details of writing an external I/O engine.
 
+               **filecreate**
+                       Simply create the files and do no IO to them.  You still need to
+                       set  `filesize` so that all the accounting still occurs, but no
+                       actual IO will be done other than creating the file.
 
 I/O engine specific parameters
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~