}
run_test 64f "check grant consumption (with grant allocation)"
+test_64g() {
+ #[ $MDS1_VERSION -lt $(version_code 2.14.54) ] &&
+ # skip "Need MDS version at least 2.14.54"
+
+ local mdts=$(comma_list $(mdts_nodes))
+
+ local old=$($LCTL get_param mdc.$FSNAME-*.grant_shrink_interval |
+ tr '\n' ' ')
+ stack_trap "$LCTL set_param $old"
+
+ # generate dirty pages and increase dirty granted on MDT
+ stack_trap "rm -f $DIR/$tfile-*"
+ for (( i = 0; i < 10; i++)); do
+ $LFS setstripe -E 1M -L mdt $DIR/$tfile-$i ||
+ error "can't set stripe"
+ dd if=/dev/zero of=$DIR/$tfile-$i bs=128k count=1 ||
+ error "can't dd"
+ $LFS getstripe $DIR/$tfile-$i | grep -q pattern.*mdt || {
+ $LFS getstripe $DIR/$tfile-$i
+ error "not DoM file"
+ }
+ done
+
+ # flush dirty pages
+ sync
+
+ # wait until grant shrink reset grant dirty on MDTs
+ for ((i = 0; i < 120; i++)); do
+ grant_dirty=$(do_nodes $mdts $LCTL get_param -n mdt.*.tot_dirty |
+ awk '{sum=sum+$1} END {print sum}')
+ vm_dirty=$(awk '/Dirty:/{print $2}' /proc/meminfo)
+ echo "$grant_dirty grants, $vm_dirty pages"
+ (( grant_dirty + vm_dirty == 0 )) && break
+ (( i == 3 )) && sync &&
+ $LCTL set_param mdc.$FSNAME-*.grant_shrink_interval=5
+ sleep 1
+ done
+
+ grant_dirty=$(do_nodes $mdts $LCTL get_param -n mdt.*.tot_dirty |
+ awk '{sum=sum+$1} END {print sum}')
+ (( grant_dirty == 0 )) || error "$grant_dirty on MDT"
+}
+run_test 64g "grant shrink on MDT"
+
# bug 1414 - set/get directories' stripe info
test_65a() {
[ $PARALLEL == "yes" ] && skip "skip parallel run"