Merge branch 'travis_32bit' of https://github.com/sitsofe/fio

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 3a720c35b68e59d948921689ac56b6c2bfc7e95d..2a70b7c629b6d6470625ac98e02dad555571f1ed 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -1791,7 +1791,9 @@ I/O engine
                **external**
                        Prefix to specify loading an external I/O engine object file. Append
                        the engine filename, e.g. ``ioengine=external:/tmp/foo.o`` to load
-                       ioengine :file:`foo.o` in :file:`/tmp`.
+                       ioengine :file:`foo.o` in :file:`/tmp`. The path can be either
+                       absolute or relative. See :file:`engines/skeleton_external.c` for
+                       details of writing an external I/O engine.
 
 
 I/O engine specific parameters