forked from Mirrors/btrfs-progs
43 lines
1.1 KiB
Bash
43 lines
1.1 KiB
Bash
#!/bin/bash
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source "$TEST_TOP/common"
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check_prereq btrfs-corrupt-block
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check_prereq mkfs.btrfs
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check_prereq btrfs
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setup_root_helper
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prepare_test_dev
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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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run_check_mkfs_test_dev
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run_check_mount_test_dev
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generate_dataset small
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for i in `seq 1 100`;do
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run_check $SUDO_HELPER "$TOP/btrfs" sub snapshot "$TEST_MNT" \
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"$TEST_MNT/snapaaaaaaa_$i"
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done
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run_check_umount_test_dev
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# get extent root bytenr
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extent_root_bytenr=`$SUDO_HELPER "$TOP/btrfs" inspect-internal dump-tree -r "$TEST_DEV" | \
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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 $SUDO_HELPER "$TOP/btrfs-corrupt-block" -l "$extent_root_bytenr" \
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-b 4096 "$TEST_DEV"
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$SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV" >& /dev/null && \
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_fail "btrfs check should detect failure"
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run_check $SUDO_HELPER "$TOP/btrfs" check --repair --force --init-extent-tree "$TEST_DEV"
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run_check $SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV"
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}
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test_extent_tree_rebuild
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