Features

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Features
Feature EXT Version Support
kernel e2fsprogs
Name Constant 2 3 4 First Last First Last
64bit EXT4_FEATURE_INCOMPAT_64BIT No Yes
bigalloc EXT4_FEATURE_RO_COMPAT_BIGALLOC
compression EXT2_FEATURE_INCOMPAT_COMPRESSION
dir_index EXT2_FEATURE_COMPAT_DIR_INDEX
dir_nlink EXT4_FEATURE_RO_COMPAT_DIR_NLINK
dir_prealloc EXT2_FEATURE_COMPAT_DIR_PREALLOC
dirdata EXT4_FEATURE_INCOMPAT_DIRDATA
ea_inode EXT4_FEATURE_INCOMPAT_EA_INODE
ext_attr EXT2_FEATURE_COMPAT_EXT_ATTR
extent EXT3_FEATURE_INCOMPAT_EXTENTS
extra_isize EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE
filetype EXT2_FEATURE_INCOMPAT_FILETYPE
flex_bg EXT4_FEATURE_INCOMPAT_FLEX_BG
has_journal EXT3_FEATURE_COMPAT_HAS_JOURNAL
huge_file EXT4_FEATURE_RO_COMPAT_HUGE_FILE
imagic_inodes EXT2_FEATURE_COMPAT_IMAGIC_INODES
inline_data EXT4_FEATURE_INCOMPAT_INLINE_DATA
journal_dev EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
large_dir EXT4_FEATURE_INCOMPAT_LARGEDIR
large_file EXT2_FEATURE_RO_COMPAT_LARGE_FILE
lazy_bg EXT2_FEATURE_COMPAT_LAZY_BG
meta_bg EXT2_FEATURE_INCOMPAT_META_BG
metadata_csum EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
mmp EXT4_FEATURE_INCOMPAT_MMP
needs_recovery EXT3_FEATURE_INCOMPAT_RECOVER
quota EXT4_FEATURE_RO_COMPAT_QUOTA
replica EXT4_FEATURE_RO_COMPAT_REPLICA
resize_inode EXT2_FEATURE_COMPAT_RESIZE_INODE
snapshot_bitmap EXT2_FEATURE_COMPAT_EXCLUDE_BITMAP
sparse_super EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER
uninit_bg EXT4_FEATURE_RO_COMPAT_GDT_CSUM
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