grow-seq-lg: extend empty file sequentially to large size, verify
grow-file-size: filesize must return proper value as file grows
grow-tell: tell must return proper value as file grows
- grow-sparse: create empty file, seek to 128 kB, write byte, verify zeroing
+ grow-sparse: create empty file, seek past 64 kB, write byte, verify zeroing
grow-root-sm: create 20 small files in root directory
grow-root-lg: create 50 small files in root directory
grow-dir-lg: create subdirectory, create 50 small files in it