Enable and disable has_journal features on an existing ext3 filesystem

---- enable has_journal features-----

tune2fs -O has_journal /dev/sdb1

tune2fs 1.44.6 (5-Mar-2019)

Creating journal inode: done

dumpe2fs /dev/sdb1 | grep features

dumpe2fs 1.44.6 (5-Mar-2019)

Filesystem features:      has_journal ext_attr resize_inode dir_index filetype sparse_super large_file

Journal features:         (none)

---- disable has_journal features-----

 tune2fs -O ^has_journal /dev/sdb1

tune2fs 1.44.6 (5-Mar-2019)

dumpe2fs /dev/sdb1 | grep features

dumpe2fs 1.44.6 (5-Mar-2019)

Filesystem features:      ext_attr resize_inode dir_index filetype sparse_super large_file