+
+LUSTRE=${LUSTRE:-$(dirname $0)/..}
+. $LUSTRE/tests/test-framework.sh
+init_test_env $@
+init_logging
+
+RUNTESTS_SRC=${RUNTESTS_SRC:-"/etc /bin"}
+[ "$COUNT" ] || COUNT=10000
+[ "$SLOW" = "no" ] && COUNT=1000
+
+[ "$MKDIRMANY" ] || MKDIRMANY="createmany -d"
+[ "$RMDIRMANY" ] || RMDIRMANY="unlinkmany -d"
+
+check_and_setup_lustre
+
+test_1() {
+ sleep 5 # let MDS refresh aggregated statfs
+ # Include some extra space for the status file
+ local dfused=$(df -P $DIR | awk '{ print $3 }' | tail -n 1)
+ local truncsize=123
+
+ # let's start slowly here...
+ local stime=$(date +%s)
+ log "touching $DIR at $(date) (@$stime)"
+ touch $DIR || error "can't touch $DIR"
+ local hfile=$DIR/hosts.$$
+
+ if [ $COUNT -gt 10 -o $COUNT -eq 0 ]; then
+ # this will cause the following cp to trigger bug #620096
+ log "create an empty file $hfile"
+ mcreate $hfile
+ log "copying /etc/hosts to $hfile"
+ cp /etc/hosts $hfile || error "can't cp /etc/hosts to $hfile"
+ log "comparing /etc/hosts and $hfile"
+ diff -u /etc/hosts $hfile || error "$hfile different"
+ log "renaming $hfile to $hfile.ren"
+ mv $hfile $hfile.ren ||
+ error "can't rename $hfile to $hfile.ren"
+ log "copying /etc/hosts to $hfile again"
+ cp /etc/hosts $hfile ||
+ error "can't cp /etc/hosts to $hfile again"
+ log "truncating $hfile"
+ > $hfile || error "can't truncate $hfile"
+ log "removing $hfile"
+ rm $hfile || error "can't remove $hfile"
+ log "copying /etc/hosts to $hfile.2"
+ cp /etc/hosts $hfile.2 ||
+ error "can't cp /etc/hosts to $hfile.2"
+ log "truncating $hfile.2 to $truncsize bytes"
+ $TRUNCATE $hfile.2 $truncsize || error "can't truncate $hfile.2"
+ checkstat -s $truncsize $hfile.2 ||
+ error "$hfile.2 isn't $truncsize bytes"
+ fi
+
+ local dst=$DIR/$tdir
+ log "creating $dst"
+ test_mkdir -p $dst || error "can't mkdir $dst"
+
+ # let's do a little more, with files that haven't changed in the
+ # last day (hopefully they don't change during test)
+ local findfiles=$TMP/runtests.files
+
+ # use "NUL" instead of newline as filename terminator, bug 19702
+ find $RUNTESTS_SRC -type f -mtime +1 | head -n $COUNT | \
+ tr '\n' '\0' > $findfiles
+ [ -s "$findfiles" ] ||
+ error "$RUNTESTS_SRC contains only files modifed less than " \
+ "2 days ago"
+ stack_trap "rm -f $findfiles"
+ COUNT=$(xargs -0 -n 1 echo < $findfiles | wc -l)
+
+ log "copying $COUNT files from $RUNTESTS_SRC to $dst$RUNTESTS_SRC " \
+ "at $(date)"
+ tar cf - --null --files-from $findfiles | \
+ tar xvf - -C $dst > /dev/null || error "copying $RUNTESTS_SRC"
+
+ log "comparing $COUNT newly copied files at $(date)"
+
+ cat $findfiles | tr "\0" "\n" | ( rc=0; while read f; do
+ diff -q "$f" "$dst/$f" || rc=18
+ done
+ [ "$rc" = 0 ] || error_exit "old and new files are different: rc=$rc" )
+
+ log "finished at $(date) ($(($(date +%s) - stime)))"
+
+ stopall || error "stopall failed"
+ setupall || error "setupall failed"
+
+ log "comparing $COUNT previously copied files"
+ cat $findfiles | tr "\0" "\n" | ( rc=0; while read f; do
+ diff -q "$f" "$dst/$f" || rc=22
+ done
+ [ "$rc" = 0 ] || error_exit "old and new files are different: rc=$rc" )
+
+ stopall || error "stopall failed (2)"
+ setupall || error "setupall failed (2)"
+
+ log "removing $dst"
+ rm -r $dst || error "can't remove $dst"
+
+ if [ $COUNT -gt 10 -o $COUNT -eq 0 ]; then
+ log "renaming $hfile.ren to $hfile"
+ mv $hfile.ren $hfile ||
+ error "can't rename $hfile.ren to $hfile"
+ log "truncating $hfile"
+ > $hfile || error "can't truncate $hfile"
+ log "removing $hfile"
+ rm $hfile || error "can't remove $hfile again"
+ log "verifying $hfile.2 is $truncsize bytes"
+ checkstat -s $truncsize $hfile.2 ||
+ error "$hfile.2 isn't $truncsize bytes"
+ rm $hfile.2 || error "can't remove $hfile.2"
+ fi
+
+ # mkdirmany test (bug 589)
+ test_mkdir -p $dst
+ log "running $MKDIRMANY $dst/d 100"
+ $MKDIRMANY $dst/d 100 || error "$MKDIRMANY failed"
+ log "running $RMDIRMANY $dst/d 100"
+ $RMDIRMANY $dst/d 100 || error "$RMDIRMANY cleanup failed"
+
+ log "done"
+
+ wait_delete_completed
+ sleep 5 # let MDS refresh aggregated statfs
+ local nowdfused=$(($(df -P $DIR | awk '{ print $3 }' | tail -n 1)))
+ if [ $(expr $nowdfused - $dfused) -gt $(fs_log_size) ]; then
+ error "Space not all freed: now ${nowdfused}kB, was ${dfused}kB"
+ else
+ log "Space was freed: now ${nowdfused}kB, was ${dfused}kB."
+ fi