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|
#!/bin/bash
#
# test label settings
source $TOP/tests/common
check_prereq mkfs.btrfs
check_prereq btrfs
setup_root_helper
prepare_test_dev
run_check "$TOP/mkfs.btrfs" -L BTRFS-TEST-LABEL -f "$TEST_DEV"
run_check_mount_test_dev
run_check $SUDO_HELPER chmod a+rw $TEST_MNT
cd $TEST_MNT
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT
# shortest label
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT a
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT ''
longlabel=\
0123456789\
0123456789\
0123456789\
0123456789\
0123456789\
\
0123456789\
0123456789\
0123456789\
0123456789\
0123456789\
\
0123456789\
0123456789\
0123456789\
0123456789\
0123456789\
\
0123456789\
0123456789\
0123456789\
0123456789\
0123456789\
\
0123456789\
0123456789\
0123456789\
0123456789\
0123456789\
\
01234
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT "$longlabel"
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT
# 256, must fail
run_mustfail "label 256 bytes long succeeded" \
$SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT "$longlabel"5
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT
run_mustfail "label 2 * 255 bytes long succeeded" \
$SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT "$longlabel$longlabel"
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT
cd ..
run_check_umount_test_dev
|
