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#!/bin/bash
# Check if block sizes smaller than 4k expectedly fail to convert
source "$TEST_TOP/common" || exit
source "$TEST_TOP/common.convert" || exit
check_prereq btrfs-convert
check_global_prereq mke2fs
setup_root_helper
prepare_test_dev
for bs in 1024 2048; do
default_mke2fs="mke2fs -t ext4 -b $bs"
convert_test_preamble '' "unsupported block size $bs" 16k "$default_mke2fs"
convert_test_prep_fs ext4 $default_mke2fs
run_check $SUDO_HELPER dd if=/dev/zero of="$TEST_MNT/file" bs=1M \
count=1 seek=1024 > /dev/null 2>&1
run_check_umount_test_dev
if _test_config "EXPERIMENTAL" && [ "$bs" == '2048' ]; then
# Experimental support for mkfs.btrfs --sectorsize 2048
continue
fi
run_mustfail "$bs block converted" "$TOP/btrfs-convert" "$TEST_DEV"
done
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