X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=HOWTO;h=7cab05379f612034abdc173f03acb8d7850f902f;hb=4d651dad4b3ee17a9be223fc1c0489cd4e304f65;hp=a5be9dbd3e8d408bbe27491e4b15d76b30e5aa43;hpb=36690c9b5b50736cec1fcd53100f01fd1181fdf4;p=fio.git

diff --git a/HOWTO b/HOWTO
index a5be9dbd..7cab0537 100644
--- a/HOWTO
+++ b/HOWTO
@@ -563,6 +563,14 @@ verify=str	If writing to a file, fio can verify the file contents
 		system to make sure that the written data is also
 		correctly read back.
 
+verifysort=bool	If set, fio will sort written verify blocks when it deems
+		it faster to read them back in a sorted manner. This is
+		often the case when overwriting an existing file, since
+		the blocks are already laid out in the file system. You
+		can ignore this option unless doing huge amounts of really
+		fast IO where the red-black tree sorting CPU time becomes
+		significant.
+		
 stonewall	Wait for preceeding jobs in the job file to exit, before
 		starting this one. Can be used to insert serialization
 		points in the job file. A stone wall also implies starting