2 base_features = sparse_super,filetype,resize_inode,dir_index,ext_attr
3 enable_periodic_fsck = 0
10 features = has_journal
13 features = has_journal,extent,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize
17 features = has_journal,extent,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize