X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=HOWTO;h=8cb849c7c6edad0ddf70294d98f3084cd2894a5a;hp=2797a58c3da2bbe6c240f039753ff52b0bb76265;hb=546a9142511875524850ac92776184fd9fb7196e;hpb=3f9f4e2631c4f5d33f125dd71db20c1773d22c91;ds=inline

diff --git a/HOWTO b/HOWTO
index 2797a58c..8cb849c7 100644
--- a/HOWTO
+++ b/HOWTO
@@ -603,6 +603,10 @@ verifysort=bool	If set, fio will sort written verify blocks when it deems
 		fast IO where the red-black tree sorting CPU time becomes
 		significant.
 
+header_offset=siint	Swap the verification header with data somewhere else
+			in the block before writing. Its swapped back before
+			verifying.
+
 header_interval=siint	Write the verification header at a finer granularity
 			than the blocksize. It will be written for chunks the
 			size of header_interval. blocksize should divide this