File tests-add-test-to-excercise-indexed-directories... of Package e2fsprogs

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File tests-add-test-to-excercise-indexed-directories-with.patch of Package e2fsprogs

From 4ed27a5bb9bfabaf437b45aaad315f028da5a6f1 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 13 Feb 2020 11:16:01 +0100
Subject: [PATCH 4/5] tests: add test to excercise indexed directories with
 metadata_csum
References: bsc#1160979

Indexed directories have somewhat different format when metadata_csum is
enabled. Add test to excercise linking in indexed directories and e2fsck
rehash code in this case.

Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Acked-by: Jan Kara <jack@suse.cz>
---
 tests/f_large_dir_csum/expect       | 32 ++++++++++++++
 tests/f_large_dir_csum/is_slow_test |  0
 tests/f_large_dir_csum/name         |  1 +
 tests/f_large_dir_csum/script       | 84 +++++++++++++++++++++++++++++++++++++
 4 files changed, 117 insertions(+)
 create mode 100644 tests/f_large_dir_csum/expect
 create mode 100644 tests/f_large_dir_csum/is_slow_test
 create mode 100644 tests/f_large_dir_csum/name
 create mode 100644 tests/f_large_dir_csum/script

Index: e2fsprogs-1.43.8/tests/f_large_dir_csum/expect
===================================================================
--- /dev/null
+++ e2fsprogs-1.43.8/tests/f_large_dir_csum/expect
@@ -0,0 +1,32 @@
+Creating filesystem with 30996 1k blocks and 64 inodes
+Superblock backups stored on blocks: 
+	8193, 24577
+
+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
+Inode 13 ref count is 1, should be 5.  Fix? yes
+
+Pass 5: Checking group summary information
+
+test.img: ***** FILE SYSTEM WAS MODIFIED *****
+test.img: 13/64 files (0.0% non-contiguous), 766/30996 blocks
+Exit status is 1
+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
+Inode 13 ref count is 5, should be 15499.  Fix? yes
+
+Pass 5: Checking group summary information
+
+test.img: ***** FILE SYSTEM WAS MODIFIED *****
+test.img: 13/64 files (0.0% non-contiguous), 5971/30996 blocks
+Exit status is 1
Index: e2fsprogs-1.43.8/tests/f_large_dir_csum/name
===================================================================
--- /dev/null
+++ e2fsprogs-1.43.8/tests/f_large_dir_csum/name
@@ -0,0 +1 @@
+optimize 3 level htree directories with metadata checksums
Index: e2fsprogs-1.43.8/tests/f_large_dir_csum/script
===================================================================
--- /dev/null
+++ e2fsprogs-1.43.8/tests/f_large_dir_csum/script
@@ -0,0 +1,84 @@
+OUT=$test_name.log
+EXP=$test_dir/expect
+E2FSCK=../e2fsck/e2fsck
+
+NAMELEN=255
+DIRENT_SZ=8
+BLOCKSZ=1024
+INODESZ=128
+CSUM_SZ=8
+CSUM_TAIL_SZ=12
+DIRENT_PER_LEAF=$(((BLOCKSZ - CSUM_TAIL_SZ) / (NAMELEN + DIRENT_SZ)))
+HEADER=32
+INDEX_SZ=8
+INDEX_L1=$(((BLOCKSZ - HEADER - CSUM_SZ) / INDEX_SZ))
+INDEX_L2=$(((BLOCKSZ - DIRENT_SZ - CSUM_SZ) / INDEX_SZ))
+DIRBLK=$((INDEX_L1 * INDEX_L2))
+ENTRIES=$((DIRBLK * DIRENT_PER_LEAF / 3))
+# directory leaf blocks - get twice as much because the leaves won't be full
+# and there are also other filesystem blocks.
+FSIZE=$((DIRBLK * 2))
+
+$MKE2FS -b 1024 -O extents,64bit,uninit_bg,metadata_csum -N 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 "ln foofile f%0254u\n" $i
+		i=$((i + 1));
+	done
+	echo "expand ./"
+	printf "ln foofile f%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
+	    printf "ln foofile f%0254u\n" $i
+	    i=$((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

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