Function _scratch_mkfs_sized cannot recognize the size descriptor. For example, we set MKFS_OPTIONS="-b 4k" and then run generic/416 on ext4, will fail with "mkfs.ext4: invalid block size - 4". The [PATCH v2 2/2] based on [PATCH v2 1/2]. An Long (2): common/rc: add _parse_size_string common/rc: fix input value to _scratch_mkfs_sized common/rc | 66 +++++++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 54 insertions(+), 12 deletions(-) base-commit: 568ac9fffeb6afec03e5d6c9936617232fd7fc6d -- 2.35.3