mirror of
https://github.com/kdave/btrfs-progs
synced 2024-12-23 22:53:35 +00:00
92 lines
2.3 KiB
Bash
92 lines
2.3 KiB
Bash
#!/bin/bash
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#
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# loop through all of our bad images and make sure fsck repairs them properly
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#
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# It's GPL, same as everything else in this tree.
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#
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here=`pwd`
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TEST_DEV=
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TEST_MNT=
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RESULT="fsck-tests-results.txt"
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_fail()
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{
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echo "$*" | tee -a $RESULT
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exit 1
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}
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run_check()
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{
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echo "############### $@" >> $RESULT 2>&1
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"$@" >> $RESULT 2>&1 || _fail "failed: $@"
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}
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rm -f $RESULT
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# test rely on corrupting blocks tool
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run_check make btrfs-corrupt-block
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# Some broken filesystem images are kept as .img files, created by the tool
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# btrfs-image, and others are kept as .tar.xz files that contain raw filesystem
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# image (the backing file of a loop device, as a sparse file). The reason for
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# keeping some as tarballs of raw images is that for these cases btrfs-image
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# isn't able to preserve all the (bad) filesystem structure for some reason.
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for i in $(find $here/tests/fsck-tests -name '*.img' -o -name '*.tar.xz' | sort)
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do
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echo " [TEST] $(basename $i)"
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echo "testing image $i" >> $RESULT
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extension=${i#*.}
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if [ $extension == "img" ]; then
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run_check $here/btrfs-image -r $i test.img
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else
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run_check tar xJf $i
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fi
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$here/btrfsck test.img >> $RESULT 2>&1
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[ $? -eq 0 ] && _fail "btrfsck should have detected corruption"
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run_check $here/btrfsck --repair test.img
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run_check $here/btrfsck test.img
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done
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if [ -z $TEST_DEV ] || [ -z $TEST_MNT ];then
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echo " [NOTRUN] extent tree rebuild"
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exit 0
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fi
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# test whether fsck can rebuild a corrupted extent tree
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test_extent_tree_rebuild()
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{
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echo " [TEST] extent tree rebuild"
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$here/mkfs.btrfs -f $TEST_DEV >> /dev/null 2>&1 || _fail "fail to mkfs"
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run_check mount $TEST_DEV $TEST_MNT
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cp -aR /lib/modules/`uname -r`/ $TEST_MNT 2>&1
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for i in `seq 1 100`;do
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$here/btrfs sub snapshot $TEST_MNT \
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$TEST_MNT/snapaaaaaaa_$i >& /dev/null
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done
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run_check umount $TEST_DEV
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# get extent root bytenr
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extent_root_bytenr=`$here/btrfs-debug-tree -r $TEST_DEV | grep extent | awk '{print $7}'`
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if [ -z $extent_root_bytenr ];then
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_fail "fail to get extent root bytenr"
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fi
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# corrupt extent root node block
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run_check $here/btrfs-corrupt-block -l $extent_root_bytenr \
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-b 4096 $TEST_DEV
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$here/btrfs check $TEST_DEV >& /dev/null && \
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_fail "fsck should detect failure"
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run_check $here/btrfs check --init-extent-tree $TEST_DEV
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run_check $here/btrfs check $TEST_DEV
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}
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test_extent_tree_rebuild
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