X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=HOWTO;h=c2c65096bbd22461590c502aba6771b26598f672;hp=6d903bba0cb372745767ca7f81afcd19aefbc544;hb=21c1b29e929c2875f6dba7dfb6b0cc061f3730b5;hpb=7c5f4cdbd54d6447104e1311ab3021b87dacebb0

diff --git a/HOWTO b/HOWTO
index 6d903bba..c2c65096 100644
--- a/HOWTO
+++ b/HOWTO
@@ -1426,7 +1426,9 @@ Buffers and memory
 .. option:: invalidate=bool
 
 	Invalidate the buffer/page cache parts for this file prior to starting
-	I/O. Defaults to true.
+	I/O if the platform and file type support it. Defaults to true.
+	This will be ignored if :option:`pre_read` is also specified for the
+	same job.
 
 .. option:: sync=bool