Add option for specifically setting buffer contents
Fio can use zeroes, slightly scrambled data, full random data,
or specifically compressible data. With this option, the user
can now fully control the pattern written, similarly to how
verify_pattern works for verify=meta.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/fio.1 b/fio.1
index 6c3dd21..82d05b7 100644
--- a/fio.1
+++ b/fio.1
@@ -426,6 +426,12 @@
the remaining zeroed. With this set to some chunk size smaller than the block
size, fio can alternate random and zeroed data throughout the IO buffer.
.TP
+.BI buffer_pattern \fR=\fPstr
+If set, fio will fill the io buffers with this pattern. If not set, the contents
+of io buffers is defined by the other options related to buffer contents. The
+setting can be any pattern of bytes, and can be prefixed with 0x for hex
+values.
+.TP
.BI nrfiles \fR=\fPint
Number of files to use for this job. Default: 1.
.TP