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|
#!/bin/bash
#
# test file name length limits for subvolumes
source "$TEST_TOP/common"
check_prereq mkfs.btrfs
check_prereq btrfs
setup_root_helper
prepare_test_dev
run_check_mkfs_test_dev
run_check_mount_test_dev
run_check $SUDO_HELPER chmod a+rw "$TEST_MNT"
cd "$TEST_MNT"
longname=\
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
# subvolume name length limit test
# short name test
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create subvol
# 255
run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "$longname"
# 256, must fail
run_mustfail "subvolume with name 256 bytes long succeeded" \
$SUDO_HELPER "$TOP/btrfs" subvolume create "$longname"5
# 255*2, must fail
run_mustfail "subvolume with name 2 * 255 bytes long succeeded" \
$SUDO_HELPER "$TOP/btrfs" subvolume create "$longname$longname"
# snapshot name length limit test
run_check $SUDO_HELPER mkdir snaps
# short name test
run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot subvol snaps/snap
# 255
run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot subvol snaps/"$longname"
# 256, must fail
run_mustfail "snapshot with name 256 bytes long succeeded" \
$SUDO_HELPER "$TOP/btrfs" subvolume snapshot subvol snaps/"$longname"5
# 255*2, must fail
run_mustfail "subvolume with name 2 * 255 bytes long succeeded" \
$SUDO_HELPER "$TOP/btrfs" subvolume snapshot subvol snaps/"$longname$longname"
cd ..
run_check_umount_test_dev
|
