diff options
Diffstat (limited to 'tests/fsck-tests/013-extent-tree-rebuild/test.sh')
| -rwxr-xr-x | tests/fsck-tests/013-extent-tree-rebuild/test.sh | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tests/fsck-tests/013-extent-tree-rebuild/test.sh b/tests/fsck-tests/013-extent-tree-rebuild/test.sh new file mode 100755 index 00000000..ff7d28e5 --- /dev/null +++ b/tests/fsck-tests/013-extent-tree-rebuild/test.sh @@ -0,0 +1,44 @@ +#!/bin/bash + +source $TOP/tests/common + +check_prereq btrfs-corrupt-block +check_prereq btrfs-debug-tree +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-debug-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 |