Add vsync io engine

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index a20f7141e63593dd8ed54b696ab80c92e28695a4..3d6b354b87b7df40f723c497ab82b1424cd287f6 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -344,6 +344,8 @@ ioengine=str        Defines how the job issues io to the file. The following
 
                        psync   Basic pread(2) or pwrite(2) io.
 
+                       vsync   Basic readv(2) or writev(3) IO.
+
                        libaio  Linux native asynchronous io.
 
                        posixaio glibc posix asynchronous io.