On Fri, May 31, 2019 at 10:59:12AM +0900, Shin'ichiro Kawasaki wrote: > As a preparation for the zone mapping test case, add several helper > functions. _find_last_sequential_zone() and > _find_sequential_zone_in_middle() help to select test target zones. > _test_dev_is_logical() checks TEST_DEV is the valid test target. > _test_dev_has_dm_map() helps to check that the dm target is linear or > flakey. _get_dev_container_and_sector() helps to get the container device > and sector mappings. This has a few shellcheck warnings: tests/zbd/rc:221:4: error: Remove '$' or use '_=$((expr))' to avoid executing output. [SC2084] tests/zbd/rc:223:4: error: Remove '$' or use '_=$((expr))' to avoid executing output. [SC2084] tests/zbd/rc:225:3: error: Remove '$' or use '_=$((expr))' to avoid executing output. [SC2084] And it's missing your Signed-off-by. Thanks!