#!/bin/bash # To check if "btrfs check" can detect metadata dump (restored by btrfs-iamge) # and ignore --check-data-csum option source "$TEST_TOP/common" check_prereq btrfs check_prereq mkfs.btrfs check_prereq btrfs-image setup_root_helper prepare_test_dev run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV" run_check_mount_test_dev run_check $SUDO_HELPER dd if=/dev/urandom of="$TEST_MNT/file" bs=4k count=16 run_check_umount_test_dev touch restored_image chmod a+w restored_image run_check $SUDO_HELPER "$TOP/btrfs-image" "$TEST_DEV" "restored_image" # use prepare_test_dev() to wipe all existing data on $TEST_DEV # so there is no way that restored image could have mathcing data csum prepare_test_dev run_check $SUDO_HELPER "$TOP/btrfs-image" -r "restored_image" "$TEST_DEV" # Should not report any error run_check "$TOP/btrfs" check --check-data-csum "$TEST_DEV" rm -rf -- "restored_image"