Features

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{| class="wikitable sortable" border="1"
 
{| class="wikitable sortable" border="1"
 
|+Features
 
|+Features
! scope="col" | Feature name
 
! scope="col" | Constant
 
! scope="col" | EXT2
 
! scope="col" | EXT3
 
! scope="col" | EXT4
 
! scope="col" | Availble from
 
 
|-
 
|-
|64bit||EXT4_FEATURE_INCOMPAT_64BIT||||{{No}}||{{Yes}}||N/A
+
!scope="col" colspan=2 rowspan=2 | Feature
 +
!scope="col" colspan=3 rowspan=2 | EXT Version
 +
!scope="col" colspan=4 | Support
 +
|-
 +
!scope="col" colspan=2 | kernel
 +
!scope="col" colspan=2 | e2fsprogs
 +
|-
 +
!!scope="col" | Name
 +
!scope="col" | Constant
 +
!scope="col" | 2
 +
!scope="col" | 3
 +
!scope="col" | 4
 +
!scope="col" | First
 +
!scope="col" | Last
 +
!scope="col" | First
 +
!scope="col" | Last
 +
|-
 +
|64bit||EXT4_FEATURE_INCOMPAT_64BIT||||{{No}}||{{Yes}}|||||||||
 
|-
 
|-
 
|bigalloc||EXT4_FEATURE_RO_COMPAT_BIGALLOC
 
|bigalloc||EXT4_FEATURE_RO_COMPAT_BIGALLOC
 
|-
 
|-
 
|compression||EXT2_FEATURE_INCOMPAT_COMPRESSION
 
|compression||EXT2_FEATURE_INCOMPAT_COMPRESSION
|-
 
|dirdata||EXT4_FEATURE_INCOMPAT_DIRDATA
 
 
|-
 
|-
 
|dir_index||EXT2_FEATURE_COMPAT_DIR_INDEX
 
|dir_index||EXT2_FEATURE_COMPAT_DIR_INDEX
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|-
 
|-
 
|dir_prealloc||EXT2_FEATURE_COMPAT_DIR_PREALLOC
 
|dir_prealloc||EXT2_FEATURE_COMPAT_DIR_PREALLOC
 +
|-
 +
|dirdata||EXT4_FEATURE_INCOMPAT_DIRDATA
 
|-
 
|-
 
|ea_inode||EXT4_FEATURE_INCOMPAT_EA_INODE
 
|ea_inode||EXT4_FEATURE_INCOMPAT_EA_INODE
 +
|-
 +
|ext_attr||EXT2_FEATURE_COMPAT_EXT_ATTR
 
|-
 
|-
 
|extent||EXT3_FEATURE_INCOMPAT_EXTENTS
 
|extent||EXT3_FEATURE_INCOMPAT_EXTENTS
 
|-
 
|-
 
|extra_isize||EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE
 
|extra_isize||EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE
|-
 
|ext_attr||EXT2_FEATURE_COMPAT_EXT_ATTR
 
 
|-
 
|-
 
|filetype||EXT2_FEATURE_INCOMPAT_FILETYPE
 
|filetype||EXT2_FEATURE_INCOMPAT_FILETYPE
 
|-
 
|-
 
|flex_bg||EXT4_FEATURE_INCOMPAT_FLEX_BG
 
|flex_bg||EXT4_FEATURE_INCOMPAT_FLEX_BG
|-
 
|inline_data||EXT4_FEATURE_INCOMPAT_INLINE_DATA
 
 
|-
 
|-
 
|has_journal||EXT3_FEATURE_COMPAT_HAS_JOURNAL
 
|has_journal||EXT3_FEATURE_COMPAT_HAS_JOURNAL
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|-
 
|-
 
|imagic_inodes||EXT2_FEATURE_COMPAT_IMAGIC_INODES
 
|imagic_inodes||EXT2_FEATURE_COMPAT_IMAGIC_INODES
 +
|-
 +
|inline_data||EXT4_FEATURE_INCOMPAT_INLINE_DATA
 
|-
 
|-
 
|journal_dev||EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
 
|journal_dev||EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
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|-
 
|-
 
|lazy_bg||EXT2_FEATURE_COMPAT_LAZY_BG
 
|lazy_bg||EXT2_FEATURE_COMPAT_LAZY_BG
|-
 
|metadata_csum||EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
 
 
|-
 
|-
 
|meta_bg||EXT2_FEATURE_INCOMPAT_META_BG
 
|meta_bg||EXT2_FEATURE_INCOMPAT_META_BG
 +
|-
 +
|metadata_csum||EXT4_FEATURE_RO_COMPAT_METADATA_CSUM
 
|-
 
|-
 
|mmp||EXT4_FEATURE_INCOMPAT_MMP
 
|mmp||EXT4_FEATURE_INCOMPAT_MMP
 
|-
 
|-
 
|needs_recovery||EXT3_FEATURE_INCOMPAT_RECOVER
 
|needs_recovery||EXT3_FEATURE_INCOMPAT_RECOVER
|-
 
|has_journal||EXT3_FEATURE_COMPAT_HAS_JOURNAL
 
 
|-
 
|-
 
|quota||EXT4_FEATURE_RO_COMPAT_QUOTA
 
|quota||EXT4_FEATURE_RO_COMPAT_QUOTA

Latest revision as of 00:12, 19 December 2013

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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