+err17935 () {
+ # we assume that all md changes are in the MDT0 changelog
+ if [ $MDSCOUNT -gt 1 ]; then
+ error_ignore 17935 $*
+ else
+ error $*
+ fi
+}
+
+test_60() {
+ MDT0=$($LCTL get_param -n mdc.*.mds_server_uuid | \
+ awk '{gsub(/_UUID/,""); print $1}' | head -1)
+
+ NUM_FILES=15000
+ mkdir -p $DIR/$tdir
+
+ # Register (and start) changelog
+ USER=$(do_facet $SINGLEMDS lctl --device $MDT0 changelog_register -n)
+ echo "Registered as $MDT0 changelog user $USER"
+
+ # Generate a large number of changelog entries
+ createmany -o $DIR/$tdir/$tfile $NUM_FILES
+ sync
+ sleep 5
+
+ # Unlink files in the background
+ unlinkmany $DIR/$tdir/$tfile $NUM_FILES &
+ CLIENT_PID=$!
+ sleep 1
+
+ # Failover the MDS while unlinks are happening
+ facet_failover $SINGLEMDS
+
+ # Wait for unlinkmany to finish
+ wait $CLIENT_PID
+
+ # Check if all the create/unlink events were recorded
+ # in the changelog
+ $LFS changelog $MDT0 >> $DIR/$tdir/changelog
+ local cl_count=$(grep UNLNK $DIR/$tdir/changelog | wc -l)
+ echo "$cl_count unlinks in $MDT0 changelog"
+
+ do_facet $SINGLEMDS lctl --device $MDT0 changelog_deregister $USER
+ USERS=$(( $(do_facet $SINGLEMDS lctl get_param -n \
+ mdd.$MDT0.changelog_users | wc -l) - 2 ))
+ if [ $USERS -eq 0 ]; then
+ [ $cl_count -eq $NUM_FILES ] || \
+ err17935 "Recorded ${cl_count} unlinks out of $NUM_FILES"
+ # Also make sure we can clear large changelogs
+ cl_count=$($LFS changelog $FSNAME | wc -l)
+ [ $cl_count -le 2 ] || \
+ error "Changelog not empty: $cl_count entries"
+ else
+ # If there are other users, there may be other unlinks in the log
+ [ $cl_count -ge $NUM_FILES ] || \
+ err17935 "Recorded ${cl_count} unlinks out of $NUM_FILES"
+ echo "$USERS other changelog users; can't verify clear"
+ fi
+}
+run_test 60 "Add Changelog entries during MDS failover"
+
+test_61()
+{
+ local mdtosc=$(get_mdtosc_proc_path $SINGLEMDS $FSNAME-OST0000)
+ mdtosc=${mdtosc/-MDT*/-MDT\*}
+ local cflags="osc.$mdtosc.connect_flags"
+ do_facet $SINGLEMDS "lctl get_param -n $cflags" |grep -q skip_orphan
+ [ $? -ne 0 ] && skip "don't have skip orphan feature" && return
+
+ mkdir -p $DIR/$tdir || error "mkdir dir $DIR/$tdir failed"
+ # Set the default stripe of $DIR/$tdir to put the files to ost1
+ $LFS setstripe -c 1 --index 0 $DIR/$tdir
+
+ replay_barrier $SINGLEMDS
+ createmany -o $DIR/$tdir/$tfile-%d 10
+ local oid=`do_facet ost1 "lctl get_param -n obdfilter.${ost1_svc}.last_id"`
+
+ fail_abort $SINGLEMDS
+
+ touch $DIR/$tdir/$tfile
+ local id=`$LFS getstripe $DIR/$tdir/$tfile |awk '($1 ~ 0 && $2 ~ /^[1-9]+/) {print $2}'`
+ [ $id -le $oid ] && error "the orphan objid was reused, failed"
+
+ # Cleanup
+ rm -rf $DIR/$tdir
+}
+run_test 61 "Verify to not reuse orphan objects - bug 17025"
+