LU-213 using direct io for quota test to avoid cache problem

[fs/lustre-release.git] / lustre / tests / sanity-quota.sh

diff --git a/lustre/tests/sanity-quota.sh b/lustre/tests/sanity-quota.sh
index 4dfd603..f749443 100644 (file)
--- a/lustre/tests/sanity-quota.sh
+++ b/lustre/tests/sanity-quota.sh
@@ -1194,10 +1194,10 @@ test_14a() {    # was test_14 b=12223 -- setting quota on root
        $LFS setquota -u root -b 10 -B 10 -i 10 -I 10 $DIR
        createmany -m ${TESTFILE} 20 || \
            quota_error u root "unexpected: user(root) create files failly!"
-       dd if=/dev/zero of=$TESTFILE bs=4k count=4096 || \
+        multiop ${TESTFILE} oO_CREAT:O_WRONLY:O_DIRECT:w$((4096 * 4096))c || \
            quota_error u root "unexpected: user(root) write files failly!"
        chmod 666 $TESTFILE
-       $RUNAS dd if=/dev/zero of=${TESTFILE} seek=4096 bs=4k count=4096 && \
+        $RUNAS multiop ${TESTFILE} oO_WRONLY:O_APPEND:O_DIRECT:w$((4096 * 4096))c && \
            quota_error u root "unexpected: user(quota_usr) write a file successfully!"
 
        # trigger the llog