summaryrefslogtreecommitdiff
path: root/tests/fsck-tests/013-extent-tree-rebuild/test.sh
blob: f678e29b6c2c0402e353f2ae8c2117f306e088dc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#!/bin/bash

source $TOP/tests/common

check_prereq btrfs-corrupt-block
check_prereq mkfs.btrfs
check_prereq btrfs

setup_root_helper
prepare_test_dev 1G

# test whether fsck can rebuild a corrupted extent tree
test_extent_tree_rebuild()
{
	run_check $SUDO_HELPER $TOP/mkfs.btrfs -f $TEST_DEV

	run_check_mount_test_dev
	run_check $SUDO_HELPER cp -aR /lib/modules/`uname -r`/ $TEST_MNT

	for i in `seq 1 100`;do
		run_check $SUDO_HELPER $TOP/btrfs sub snapshot $TEST_MNT \
			$TEST_MNT/snapaaaaaaa_$i
	done
	run_check_umount_test_dev

	# get extent root bytenr
	extent_root_bytenr=`$SUDO_HELPER $TOP/btrfs inspect-internal dump-tree -r $TEST_DEV | \
			    grep extent | awk '{print $7}'`
	if [ -z $extent_root_bytenr ];then
		_fail "fail to get extent root bytenr"
	fi

	# corrupt extent root node block
	run_check $SUDO_HELPER $TOP/btrfs-corrupt-block -l $extent_root_bytenr \
		-b 4096 $TEST_DEV

	$SUDO_HELPER $TOP/btrfs check $TEST_DEV >& /dev/null && \
			_fail "btrfs check should detect failure"
	run_check $SUDO_HELPER $TOP/btrfs check --init-extent-tree $TEST_DEV
	run_check $SUDO_HELPER $TOP/btrfs check $TEST_DEV
}

test_extent_tree_rebuild