MKE2FS.CONF(5) MKE2FS.CONF(5) (NAME) mke2fs.conf - mke2fs (DESCRIPTION) mke2fs.conf mke2fs ext2/ext3/ext4 . mke2fs.conf INI . (stanzas) : [ ]. . INI : [section1] tag1 = value_a tag1 = value_b tag2 = value_c [section 2] tag3 = { subtag1 = subtag_value_a subtag1 = subtag_value_b subtag2 = subtag_value_c } tag1 = value_d tag2 = value_e } () (';') ('#') . . : "\n" ( ) "\t" ( ) "\b" ( backspace) "\\" ( ). . ``yes'' ``y'' ``true'' ``t'' ``1'' ``on'' (true) ``no'' ``n'' ``false'' ``nil'' ``0'' ``off'' (false) . mke2fs.conf . : [options] mke2fs . [defaults] mke2fs(8) . fs_types . [fs_types] . -t -T mke2fs(8) . [devices] . [options] (THE [options] STANZA) [options] : proceed_delay mke2fs proceed_delay . . sync_kludge mke2fs sync_kludge (flush) . (writeback throttling) . [defaults] (THE [defaults] STANZA) [defaults] : creator_os << >> . mke2fs . fs_type -t mke2fs mkfs.fs-type . mke2fs.conf mke2fs ext3 ext2 . undo_dir (undo file) . E2FSPROGS_UNDO_DIR . none mke2fs . ( blocksize hash_alg inode_ratio inode_size reserved_ratio ) defaults . [fs_types] (THE [fs_types] STANZA) [fs_types] -t -T mke2fs(8) . mke2fs ( ext2 ext3 ) fs_types . mke2fs [fs_types] (override) . mke2fs.conf : [defaults] base_features = sparse_super,filetype,resize_inode,dir_index blocksize = 4096 inode_size = 256 inode_ratio = 16384 [fs_types] ext3 = { features = has_journal } ext4 = { features = extents,flex_bg inode_size = 256 } small = { blocksize = 1024 inode_ratio = 4096 } floppy = { features = ^resize_inode blocksize = 1024 inode_size = 128 } mke2fs mke2fs.ext4 ext4 . mke2fs floppy . fs_types "ext4, floppy" . ext4 floppy inode_size fs_types fs_types.floppy.inode_size . features () . defaults.base_features sparse_super filetype resize_inode dir_index . fs_types.ext4.features extents flex_bg fs_types.floppy.features resize_inode sparse_super filetype dir_index extents flex_bg . fs_type . default : base_features . base_features fs_types base_features mke2fs(8) . enable_periodic_fsck . true (mount) . -i -c tune2fs(8) . errors . e2fsck(8) . errors : continue . remount-ro (remount) . panic (kernel panic) . features . -O mke2fs(8) / ('^') . feature fs_types fs_types . force_undo true mke2fs (undo file) () . default_features base_features features . -O mke2fs(8) . auto_64-bit_support mke2fs(8) 64bit . resize_inode . default_mntopts . -o tune2fs(8) . blocksize . lazy_itable_init (lazy) . uninit_bg . lazy_itable_init true uninit_bg mke2fs(8) . . lazy_journal_init . has_journal . lazy_journal_init true mke2fs . . journal_location . num_backup_sb sparse_super2 (backup superblock) . packed_meta_blocks . inode_ratio . inode_size . reserved_ratio ( ) . hash_alg (hash) (hashed b-tree) . : legacy half_md4 tea. flex_bg_size ext4 . (metadata locality) . flex_bg . options mke2fs(8) -E . mke2fs(8) . discard mke2fs(8) / (discard). cluster_size bigalloc . -C mke2fs(8) . make_hugefiles (pre-allocated) . (extent tree) ( packed_meta_blocks ) (contiguous) . hugefiles_dir (huge files) . hugefiles_uid make_hugefiles . hugefiles_gid make_hugefiles . hugefiles_umask (umask) make_hugefiles . num_hugefiles . hugefiles_size make_hugefiles . hugefiles_slack . hugefiles_size . . hugefiles_align (alignment) . . . hugefiles_align_disk ( mke2fs ). false . hugefiles_name . hugefiles_digits ( / zero-padded) . warn_y2038_dates mke2fs ( ) . true GNU Hurd . zero_hugefiles mke2fs(8) . discard/trim . zero_hugefiles false . encoding casefold . utf8-12.1 utf8 12.1 utf8 utf8-12.1 . encoding_flags . utf8 strict . (strict) . [devices] (THE [devices] STANZA) [devices] . fs_type -t . usage_types -T . (FILES) /etc/mke2fs.conf mke2fs(8). (SEE ALSO) mke2fs(8) e2fsprogs MKE2FS.CONF(5)