3 # loop through all of our bad images and make sure fsck repairs them properly
5 # It's GPL, same as everything else in this tree.
11 script_dir=$(dirname $(realpath $0))
12 top=$(realpath $script_dir/../)
13 TEST_DEV=${TEST_DEV:-}
14 TEST_MNT=${TEST_MNT:-$top/tests/mnt}
15 RESULT="$top/tests/fsck-tests-results.txt"
17 source $top/tests/common
19 # Allow child test to use $top and $RESULT
22 # For custom script needs to verfiy recovery
27 mkdir -p $TEST_MNT || _fail "unable to create mount point on $TEST_MNT"
29 # test rely on corrupting blocks tool
30 check_prereq btrfs-corrupt-block
31 check_prereq btrfs-image
34 # Each dir contains one type of error for btrfsck test.
35 # Each dir must be one of the following 2 types:
36 # 1) Only btrfs-image dump
37 # Only contains one or several btrfs-image dumps (.img)
38 # Each image will be tested by generic test routine
39 # (btrfsck --repair and btrfsck).
40 # This is for case that btree-healthy images.
41 # 2) Custom test script
42 # This dir contains test.sh which will do custom image
43 # generation/check/verification.
44 # This is for case btrfs-image can't dump or case needs extra
47 for i in $(find $top/tests/fsck-tests -maxdepth 1 -mindepth 1 -type d | sort)
49 echo " [TEST] $(basename $i)"
51 if [ -x test.sh ]; then
55 _fail "test failed for case $(basename $i)"
59 check_all_images `pwd`
64 if [ -z $TEST_DEV ] || [ -z $TEST_MNT ];then
65 echo " [NOTRUN] extent tree rebuild"
69 # test whether fsck can rebuild a corrupted extent tree
70 test_extent_tree_rebuild()
72 echo " [TEST] extent tree rebuild"
73 $top/mkfs.btrfs -f $TEST_DEV >> /dev/null 2>&1 || _fail "fail to mkfs"
75 run_check mount $TEST_DEV $TEST_MNT
76 cp -aR /lib/modules/`uname -r`/ $TEST_MNT 2>&1
78 for i in `seq 1 100`;do
79 $top/btrfs sub snapshot $TEST_MNT \
80 $TEST_MNT/snapaaaaaaa_$i >& /dev/null
82 run_check umount $TEST_DEV
84 # get extent root bytenr
85 extent_root_bytenr=`$top/btrfs-debug-tree -r $TEST_DEV | \
86 grep extent | awk '{print $7}'`
87 if [ -z $extent_root_bytenr ];then
88 _fail "fail to get extent root bytenr"
91 # corrupt extent root node block
92 run_check $top/btrfs-corrupt-block -l $extent_root_bytenr \
95 $top/btrfs check $TEST_DEV >& /dev/null && \
96 _fail "btrfs check should detect failure"
97 run_check $top/btrfs check --init-extent-tree $TEST_DEV
98 run_check $top/btrfs check $TEST_DEV
101 test_extent_tree_rebuild