X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=HOWTO;h=66ebebe8579dd5954e574bf016c31b5fbd0e5baf;hp=3d9229338a11c9628f18d61a2a13e6cdc8b1c263;hb=2b386d2569c9078ca9790c4e6d318ec3835b8739;hpb=4d4e80f2b4260f2c8b37a8612ce655502a799f7a

diff --git a/HOWTO b/HOWTO
index 3d922933..66ebebe8 100644
--- a/HOWTO
+++ b/HOWTO
@@ -482,6 +482,12 @@ norandommap	Normally fio will cover every block of the file when doing
 		fio doesn't track potential block rewrites which may alter
 		the calculated checksum for that block.
 
+softrandommap	See norandommap. If fio runs with the random block map enabled
+		and it fails to allocate the map, if this option is set it
+		will continue without a random block map. As coverage will
+		not be as complete as with random maps, this option is
+		disabled by default.
+
 nice=int	Run the job with the given nice value. See man nice(2).
 
 prio=int	Set the io priority value of this job. Linux limits us to