From 4d27b2b6768189f3ad825a009bc53dcea56771fa Mon Sep 17 00:00:00 2001
From: grev <grev>
Date: Thu, 10 Dec 2009 10:58:01 +0000
Subject: [PATCH] b=20580 o=Johann i=Andrew.Perepechko i=grev directio
 allocates the buffer twice, reduce test filesize

---
 lustre/tests/sanity.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index cdec0bd..17d1adc 100644
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -3601,13 +3601,17 @@ unset F77_TMP
 test_78() { # bug 10901
 	remote_ost || { skip_env "local OST" && return; }
 
+	cancel_lru_locks osc
 	NSEQ=5
 	F78SIZE=$(($(awk '/MemFree:/ { print $2 }' /proc/meminfo) / 1024))
 	echo "MemFree: $F78SIZE, Max file size: $MAXFREE"
+	# directio allocates the buffer twice, one for writes and another
+	# one for reads, so that it can check the data consistency
+	F78SIZE=$((F78SIZE / 2))
 	MEMTOTAL=$(($(awk '/MemTotal:/ { print $2 }' /proc/meminfo) / 1024))
 	echo "MemTotal: $MEMTOTAL"
-# reserve 256MB of memory for the kernel and other running processes,
-# and then take 1/2 of the remaining memory for the read/write buffers.
+	# reserve 256MB of memory for the kernel and other running processes,
+	# and then take 1/2 of the remaining memory for the read/write buffers.
 	MEMTOTAL=$(((MEMTOTAL - 256 ) / 2))
 	echo "Mem to use for directio: $MEMTOTAL"
 	[ $F78SIZE -gt $MEMTOTAL ] && F78SIZE=$MEMTOTAL
-- 
1.8.3.1