b=23291 directory atime update test

set atime to future
set atime to now
test atime_diff

i=grev

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 03f0b90..d4c38d3 100755 (executable)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -2349,6 +2349,56 @@ test_39k() {
 }
 run_test 39k "write, utime, close, stat ========================"
 
 }
 run_test 39k "write, utime, close, stat ========================"
 

+# this should be set to future
+TEST_39_ATIME=`date -d "1 year" +%s`
+
+test_39l() {
+       local atime_diff=$(do_facet $SINGLEMDS lctl get_param -n mdd.*.atime_diff)
+
+       mkdir -p $DIR/$tdir
+
+       # test setting directory atime to future
+       touch -a -d @$TEST_39_ATIME $DIR/$tdir
+       local atime=$(stat -c %X $DIR/$tdir)
+       [ "$atime" = $TEST_39_ATIME ] || \
+               error "atime is not set to future: $atime, should be $TEST_39_ATIME"
+
+       # test setting directory atime from future to now
+       local d1=$(date +%s)
+       ls $DIR/$tdir
+       local d2=$(date +%s)
+
+       cancel_lru_locks mdc
+       atime=$(stat -c %X $DIR/$tdir)
+       [ "$atime" -ge "$d1" -a "$atime" -le "$d2" ] || \
+               error "atime is not updated from future: $atime, should be $d1<atime<$d2"
+
+       do_facet $SINGLEMDS lctl set_param -n mdd.*.atime_diff=2
+       sleep 3
+
+       # test setting directory atime when now > dir atime + atime_diff
+       d1=$(date +%s)
+       ls $DIR/$tdir
+       d2=$(date +%s)
+       cancel_lru_locks mdc
+       atime=$(stat -c %X $DIR/$tdir)
+       [ "$atime" -ge "$d1" -a "$atime" -le "$d2" ] || \
+               error "atime is not updated  : $atime, should be $d2"
+
+       do_facet $SINGLEMDS lctl set_param -n mdd.*.atime_diff=60
+       sleep 3
+
+       # test not setting directory atime when now < dir atime + atime_diff
+       ls $DIR/$tdir
+       cancel_lru_locks mdc
+       atime=$(stat -c %X $DIR/$tdir)
+       [ "$atime" -ge "$d1" -a "$atime" -le "$d2" ] || \
+               error "atime is updated to $atime, should remain $d1<atime<$d2"
+
+       do_facet $SINGLEMDS lctl set_param -n mdd.*.atime_diff=$atime_diff
+}
+run_test 39l "directory atime update ==========================="
+

 test_40() {
        dd if=/dev/zero of=$DIR/f40 bs=4096 count=1
        $RUNAS $OPENFILE -f O_WRONLY:O_TRUNC $DIR/f40 && error
 test_40() {
        dd if=/dev/zero of=$DIR/f40 bs=4096 count=1
        $RUNAS $OPENFILE -f O_WRONLY:O_TRUNC $DIR/f40 && error