Add option for refilling IO buffers on each submit

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 32e7322cdc5155d3d6c2a1bf7875acbcd0cb7c2c..36e42aaf6b9defb210d83d0b538284bea7f6a4d6 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -336,6 +336,11 @@ bs_unaligned       If this option is given, any byte size value within bsrange
 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.
 
+refill_buffers If this option is given, fio will refill the IO buffers
+               on every submit. The default is to only fill it at init
+               time and reuse that data. Only makes sense if zero_buffers
+               isn't specified, naturally.
+
 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