[defaults] base_features = sparse_super,large_file,filetype,resize_inode,dir_index,ext_attr default_mntopts = acl,user_xattr enable_periodic_fsck = 0 blocksize = 4096 inode_size = 256 inode_ratio = 16384 [fs_types] ext3 = { features = has_journal } ext4 = { features = has_journal,extent,huge_file,flex_bg,metadata_csum,64bit,dir_nlink,extra_isize inode_size = 256 } small = { blocksize = 1024 inode_size = 128 inode_ratio = 4096 } floppy = { blocksize = 1024 inode_size = 128 inode_ratio = 8192 } big = { inode_ratio = 32768 } huge = { inode_ratio = 65536 } news = { inode_ratio = 4096 } largefile = { inode_ratio = 1048576 blocksize = -1 } largefile4 = { inode_ratio = 4194304 blocksize = -1 } hurd = { blocksize = 4096 inode_size = 128 }