Add zero_buffers option
This option will cause all IO buffers to be initialized to all zeroes.
The default is to fill them with random data.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/HOWTO b/HOWTO
index aeb87dd..2cc62b2 100644
--- a/HOWTO
+++ b/HOWTO
@@ -285,6 +285,9 @@
may be used as a block range. This typically wont work with
direct IO, as that normally requires sector alignment.
+zero_buffers If this option is given, fio will init the IO buffers to
+ all zeroes. The default is to fill them with random data.
+
nrfiles=int Number of files to use for this job. Defaults to 1.
openfiles=int Number of files to keep open at the same time. Defaults to