From 2eabb7e89b1bbacd985c425191fe39dc07ebbcb0 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Wed, 17 Nov 2010 19:24:38 +0000
Subject: [PATCH] Switched from I/O engine sync to psync because the latter has
 a slightly lower system call overhead.

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2741 d57e44dd-8a1f-0410-8b47-8ef2f437770f
---
 scripts/blockdev-perftest | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/blockdev-perftest b/scripts/blockdev-perftest
index 34d505d1c..860317937 100755
--- a/scripts/blockdev-perftest
+++ b/scripts/blockdev-perftest
@@ -107,7 +107,7 @@ time_write() {
     else
       fio_flags="--direct=0 --end_fsync=1"
     fi
-    fio  --rw=write --filename="${device}" --bs=$1 --size=$(($1*$2)) --ioengine=sync --end_fsync=1 --invalidate=1 ${fio_flags} --name=writeperftest \
+    fio  --rw=write --filename="${device}" --bs=$1 --size=$(($1*$2)) --ioengine=psync --end_fsync=1 --invalidate=1 ${fio_flags} --name=writeperftest \
     | sed -n 's/.*runt= *\([0-9]*\)msec.*/\1/p' \
     | awk '{print $1/1000}'
   else
@@ -129,7 +129,7 @@ time_read() {
     else
       fio_flags="--direct=0"
     fi
-    fio  --rw=read --filename="${device}" --bs=$1 --size=$(($1*$2)) --ioengine=sync --end_fsync=1 --invalidate=1 ${fio_flags} --name=readperftest \
+    fio  --rw=read --filename="${device}" --bs=$1 --size=$(($1*$2)) --ioengine=psync --end_fsync=1 --invalidate=1 ${fio_flags} --name=readperftest \
     | sed -n 's/.*runt= *\([0-9]*\)msec.*/\1/p' \
     | awk '{print $1/1000}'
   else