X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=HOWTO;h=76613714a14a063b4adc3133ee954f2b966748aa;hb=4d06a3384c0bf34d217fa942d85dc70dfc282da9;hp=d8c09d07aa40ddb4829c79a0a30b60a4f0c4b1f7;hpb=b3d62a759a58bfce1822787874ea6ec8d2a0cb7f;p=fio.git

diff --git a/HOWTO b/HOWTO
index d8c09d07..76613714 100644
--- a/HOWTO
+++ b/HOWTO
@@ -330,6 +330,14 @@ ioengine=str	Defines how the job issues io to the file. The following
 				will cause that job to do nothing but burn
 				85% of the CPU.
 
+			guasi	The GUASI IO engine is the Generic Userspace
+				Asyncronous Syscall Interface approach
+				to async IO. See
+
+				http://www.xmailserver.org/guasi-lib.html
+
+				for more info on GUASI.
+
 			external Prefix to specify loading an external
 				IO engine object file. Append the engine
 				filename, eg ioengine=external:/tmp/foo.o