}
run_test 131e "test read hitting hole"
+get_ost_param() {
+ local token=$1
+ local gl_sum=0
+ for node in $(osts_nodes); do
+ gl=$(do_node $node "$LCTL get_param -n ost.OSS.ost.stats" | awk '/'$token'/ {print $2}' | head -n 1)
+ [ x$gl = x"" ] && gl=0
+ gl_sum=$((gl_sum + gl))
+ done
+ echo $gl
+}
+
+som_mode_switch() {
+ local som=$1
+ local gl1=$2
+ local gl2=$3
+
+ if [ x$som = x"enabled" ]; then
+ [ $((gl2 - gl1)) -gt 0 ] && error "no glimpse RPC is expected"
+ do_facet mgs "$LCTL conf_param $FSNAME.mdt.som=disabled"
+ else
+ [ $((gl2 - gl1)) -gt 0 ] || error "some glimpse RPC is expected"
+ do_facet mgs "$LCTL conf_param $FSNAME.mdt.som=enabled"
+ fi
+
+ # do remount to make new mount-conf parameters actual
+ echo remounting...
+ sync
+ stopall 1&>2 2>/dev/null
+ setupall 1&>2 2>/dev/null
+}
+
+test_132() { #1028, SOM
+ local num=$(get_mds_dir $DIR)
+ local mymds=mds${num}
+
+ dd if=/dev/zero of=$DIR/$tfile count=1 2>/dev/null
+ cancel_lru_locks osc
+
+ som1=$(do_facet $mymds "$LCTL get_param mdt.*.som" | awk -F= ' {print $2}' | head -n 1)
+
+ gl1=$(get_ost_param "ldlm_glimpse_enqueue")
+ stat $DIR/$tfile >/dev/null
+ gl2=$(get_ost_param "ldlm_glimpse_enqueue")
+ echo "SOM is "$som1", "$((gl2 - gl1))" glimpse RPC occured"
+ cancel_lru_locks osc
+ som_mode_switch $som1 $gl1 $gl2
+
+ som2=$(do_facet $mymds "$LCTL get_param mdt.*.som" | awk -F= ' {print $2}' | head -n 1)
+ [ $som1 != $som2 ] || error "som is still "$som2
+
+ gl1=$(get_ost_param "ldlm_glimpse_enqueue")
+ stat $DIR/$tfile >/dev/null
+ gl2=$(get_ost_param "ldlm_glimpse_enqueue")
+ echo "SOM is "$som2", "$((gl2 - gl1))" glimpse RPC occured"
+ som_mode_switch $som2 $gl1 $gl2
+}
+run_test 132 "som avoids glimpse rpc"
+
test_140() { #bug-17379
mkdir -p $DIR/$tdir || error "Creating dir $DIR/$tdir"
cd $DIR/$tdir || error "Changing to $DIR/$tdir"