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1OUT=$test_name.log
2EXP=$test_dir/expect
3E2FSCK=../e2fsck/e2fsck
4
5NAMELEN=255
6DIRENT_SZ=8
7BLOCKSZ=1024
8INODESZ=128
9DIRENT_PER_LEAF=$((BLOCKSZ / (NAMELEN + DIRENT_SZ)))
10HEADER=32
11INDEX_SZ=8
12INDEX_L1=$(((BLOCKSZ - HEADER) / INDEX_SZ))
13INDEX_L2=$(((BLOCKSZ - DIRENT_SZ) / INDEX_SZ))
14DIRBLK=$((2 + INDEX_L1 * INDEX_L2))
15ENTRIES=$((DIRBLK * DIRENT_PER_LEAF))
16EXT4_LINK_MAX=65000
17if [ $ENTRIES -lt $((EXT4_LINK_MAX + 10)) ]; then
18	ENTRIES=$((EXT4_LINK_MAX + 10))
19	DIRBLK=$((ENTRIES / DIRENT_PER_LEAF + 3))
20fi
21# directory leaf blocks plus inode count and 25% for the rest of the fs
22FSIZE=$(((DIRBLK + EXT4_LINK_MAX * ((BLOCKSZ + INODESZ) / BLOCKSZ)) * 5 / 4))
23
24$MKE2FS -b 1024 -O large_dir,uninit_bg -N $((ENTRIES + 50)) \
25	-I $INODESZ -F $TMPFILE $FSIZE > $OUT.new 2>&1
26RC=$?
27if [ $RC -eq 0 ]; then
28{
29	START=$SECONDS
30	echo "mkdir /foo"
31	echo "cd /foo"
32	touch $TMPFILE.tmp
33	echo "write $TMPFILE.tmp foofile"
34	i=0
35	last=0
36	while test $i -lt $ENTRIES ; do
37	    if test $((i % DIRENT_PER_LEAF)) -eq 0; then
38	    	echo "expand ./"
39	    fi
40	    ELAPSED=$((SECONDS - START))
41	    if test $((i % 5000)) -eq 0 -a $ELAPSED -gt 10; then
42		RATE=$(((i - last) / ELAPSED))
43		echo "$test_name: $i/$ENTRIES links, ${ELAPSED}s @ $RATE/s" >&2
44		START=$SECONDS
45		last=$i
46	    fi
47	    if test $i -lt $((EXT4_LINK_MAX + 10)); then
48		printf "mkdir d%0254u\n" $i
49	    else
50		printf "ln foofile f%0254u\n" $i
51	    fi
52	    i=$((i + 1))
53	done
54} | $DEBUGFS -w $TMPFILE > /dev/null 2>> $OUT.new
55	RC=$?
56fi
57if [ $RC -eq 0 ]; then
58	$E2FSCK -yfD $TMPFILE >> $OUT.new 2>&1
59	status=$?
60	echo Exit status is $status >> $OUT.new
61	sed -f $cmd_dir/filter.sed -e "s;$TMPFILE;test.img;" $OUT.new > $OUT
62	rm -f $OUT.new
63
64	cmp -s $OUT $EXP
65	RC=$?
66fi
67if [ $RC -eq 0 ]; then
68	echo "$test_name: $test_description: ok"
69	touch $test_name.ok
70else
71	echo "$test_name: $test_description: failed"
72	diff -u $EXP $OUT > $test_name.failed
73fi
74