Signed-off-by: Qu Wenruo <w...@suse.com> --- tests/mkfs-tests/012-rootdir-no-shrink/test.sh | 38 ++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100755 tests/mkfs-tests/012-rootdir-no-shrink/test.sh
diff --git a/tests/mkfs-tests/012-rootdir-no-shrink/test.sh b/tests/mkfs-tests/012-rootdir-no-shrink/test.sh new file mode 100755 index 000000000000..1dfa55b376f6 --- /dev/null +++ b/tests/mkfs-tests/012-rootdir-no-shrink/test.sh @@ -0,0 +1,38 @@ +#!/bin/bash +# Test if mkfs.btrfs --rootdir will skip shrinking correctly + +source "$TOP/tests/common" + +check_prereq mkfs.btrfs + +setup_root_helper + +fs_size=$((512 * 1024 * 1024)) +bs=$((1024 * 1024)) +tmp=$(mktemp -d --tmpdir btrfs-progs-mkfs.rootdirXXXXXXX) + +prepare_test_dev $fs_size + +### no shrink case ### + +run_check "$TOP/mkfs.btrfs" -f -r $tmp "$TEST_DEV" +run_check_mount_test_dev + +# We should be able to write at least half of the fs size data since +# the fs is not shrunk +run_check $SUDO_HELPER dd if=/dev/zero bs=$bs count=$(($fs_size / $bs / 2)) \ + of="$TEST_MNT/file" + +run_check_umount_test_dev + +### shrink case ### +run_check "$TOP/mkfs.btrfs" -f -r $tmp --shrink "$TEST_DEV" +run_check_mount_test_dev + +run_mustfail "mkfs.btrfs for shrink rootdir" \ + $SUDO_HELPER dd if=/dev/zero bs=$bs count=$(($fs_size / $bs / 2)) \ + of="$TEST_MNT/file" + +run_check_umount_test_dev + +rm -rf -- "$tmp" -- 2.15.0 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
