4 files changed, 125 insertions, 0 deletions
diff --git a/tests/f_large_dir/expect b/tests/f_large_dir/expect
new file mode 100644
index 0000000..495ea85
--- /dev/null
+++ b/tests/f_large_dir/expect
@@ -0,0 +1,34 @@
+128-byte inodes cannot handle dates beyond 2038 and are deprecated
+Creating filesystem with 108341 1k blocks and 65072 inodes
+Superblock backups stored on blocks: 
+	8193, 24577, 40961, 57345, 73729
+
+Allocating group tables:      done                            
+Writing inode tables:      done                            
+Writing superblocks and filesystem accounting information:      done
+
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 3A: Optimizing directories
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+
+test.img: ***** FILE SYSTEM WAS MODIFIED *****
+test.img: 17/65072 files (5.9% non-contiguous), 9732/108341 blocks
+Exit status is 0
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 3A: Optimizing directories
+Pass 4: Checking reference counts
+Directory exceeds max links, but no DIR_NLINK feature in superblock.
+Fix? yes
+
+Inode 12 ref count is 65012, should be 1.  Fix? yes
+
+Pass 5: Checking group summary information
+
+test.img: ***** FILE SYSTEM WAS MODIFIED *****
+test.img: 65023/65072 files (0.0% non-contiguous), 96666/108341 blocks
+Exit status is 1
diff --git a/tests/f_large_dir/is_slow_test b/tests/f_large_dir/is_slow_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/f_large_dir/is_slow_test
diff --git a/tests/f_large_dir/name b/tests/f_large_dir/name
new file mode 100644
index 0000000..4b96890
--- /dev/null
+++ b/tests/f_large_dir/name
@@ -0,0 +1 @@
+optimize 3 level htree directories
diff --git a/tests/f_large_dir/script b/tests/f_large_dir/script
new file mode 100644
index 0000000..e323583
--- /dev/null
+++ b/tests/f_large_dir/script
@@ -0,0 +1,90 @@
+OUT=$test_name.log
+EXP=$test_dir/expect
+E2FSCK=../e2fsck/e2fsck
+
+NAMELEN=255
+DIRENT_SZ=8
+BLOCKSZ=1024
+INODESZ=128
+DIRENT_PER_LEAF=$((BLOCKSZ / (NAMELEN + DIRENT_SZ)))
+HEADER=32
+INDEX_SZ=8
+INDEX_L1=$(((BLOCKSZ - HEADER) / INDEX_SZ))
+INDEX_L2=$(((BLOCKSZ - DIRENT_SZ) / INDEX_SZ))
+DIRBLK=$((2 + INDEX_L1 * INDEX_L2))
+ENTRIES=$((DIRBLK * DIRENT_PER_LEAF))
+EXT4_LINK_MAX=65000
+if [ $ENTRIES -lt $((EXT4_LINK_MAX + 10)) ]; then
+	ENTRIES=$((EXT4_LINK_MAX + 10))
+	DIRBLK=$((ENTRIES / DIRENT_PER_LEAF + 3))
+fi
+# directory leaf blocks plus inode count and 25% for the rest of the fs
+FSIZE=$(((DIRBLK + EXT4_LINK_MAX * ((BLOCKSZ + INODESZ) / BLOCKSZ)) * 5 / 4))
+
+$MKE2FS -b 1024 -O large_dir,uninit_bg -N $((ENTRIES + 50)) \
+	-I $INODESZ -F $TMPFILE $FSIZE > $OUT.new 2>&1
+RC=$?
+if [ $RC -eq 0 ]; then
+{
+	# First some initial fs setup to create indexed dir
+	echo "mkdir /foo"
+	echo "cd /foo"
+	touch $TMPFILE.tmp
+	echo "write $TMPFILE.tmp foofile"
+	i=0
+	while test $i -lt $DIRENT_PER_LEAF ; do
+		printf "mkdir d%0254u\n" $i
+		i=$((i + 1));
+	done
+	echo "expand ./"
+	printf "mkdir d%0254u\n" $i
+} | $DEBUGFS -w $TMPFILE > /dev/null 2>> $OUT.new
+	RC=$?
+	# e2fsck should optimize the dir to become indexed
+	$E2FSCK -yfD $TMPFILE >> $OUT.new 2>&1
+	status=$?
+	echo Exit status is $status >> $OUT.new
+fi
+
+if [ $RC -eq 0 ]; then
+{
+	START=$SECONDS
+	i=$(($DIRENT_PER_LEAF+1))
+	last=$i
+	echo "cd /foo"
+	while test $i -lt $ENTRIES ; do
+	    ELAPSED=$((SECONDS - START))
+	    if test $((i % 5000)) -eq 0 -a $ELAPSED -gt 10; then
+		RATE=$(((i - last) / ELAPSED))
+		echo "$test_name: $i/$ENTRIES links, ${ELAPSED}s @ $RATE/s" >&2
+		START=$SECONDS
+		last=$i
+	    fi
+	    if test $i -lt $((EXT4_LINK_MAX + 10)); then
+		printf "mkdir d%0254u\n" $i
+	    else
+		printf "ln foofile f%0254u\n" $i
+	    fi
+	    i=$((i + 1))
+	done
+} | $DEBUGFS -w $TMPFILE > /dev/null 2>> $OUT.new
+	RC=$?
+fi
+
+if [ $RC -eq 0 ]; then
+	$E2FSCK -yfD $TMPFILE >> $OUT.new 2>&1
+	status=$?
+	echo Exit status is $status >> $OUT.new
+	sed -f $cmd_dir/filter.sed -e "s;$TMPFILE;test.img;" $OUT.new > $OUT
+	rm -f $OUT.new
+
+	cmp -s $OUT $EXP
+	RC=$?
+fi
+if [ $RC -eq 0 ]; then
+	echo "$test_name: $test_description: ok"
+	touch $test_name.ok
+else
+	echo "$test_name: $test_description: failed"
+	diff -u $EXP $OUT > $test_name.failed
+fi