Features
From Ext4
(Difference between revisions)
(Feature table) |
Revision as of 19:34, 18 December 2013
Feature name | Constant | EXT2 | EXT3 | EXT4 | Availble from |
---|---|---|---|---|---|
64bit | EXT4_FEATURE_INCOMPAT_64BIT | No | Yes | N/A | |
bigalloc | EXT4_FEATURE_RO_COMPAT_BIGALLOC | ||||
compression | EXT2_FEATURE_INCOMPAT_COMPRESSION | ||||
dirdata | EXT4_FEATURE_INCOMPAT_DIRDATA | ||||
dir_index | EXT2_FEATURE_COMPAT_DIR_INDEX | ||||
dir_nlink | EXT4_FEATURE_RO_COMPAT_DIR_NLINK | ||||
dir_prealloc | EXT2_FEATURE_COMPAT_DIR_PREALLOC | ||||
ea_inode | EXT4_FEATURE_INCOMPAT_EA_INODE | ||||
extent | EXT3_FEATURE_INCOMPAT_EXTENTS | ||||
extra_isize | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE | ||||
ext_attr | EXT2_FEATURE_COMPAT_EXT_ATTR | ||||
filetype | EXT2_FEATURE_INCOMPAT_FILETYPE | ||||
flex_bg | EXT4_FEATURE_INCOMPAT_FLEX_BG | ||||
inline_data | EXT4_FEATURE_INCOMPAT_INLINE_DATA | ||||
has_journal | EXT3_FEATURE_COMPAT_HAS_JOURNAL | ||||
huge_file | EXT4_FEATURE_RO_COMPAT_HUGE_FILE | ||||
imagic_inodes | EXT2_FEATURE_COMPAT_IMAGIC_INODES | ||||
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 | ||||
metadata_csum | EXT4_FEATURE_RO_COMPAT_METADATA_CSUM | ||||
meta_bg | EXT2_FEATURE_INCOMPAT_META_BG | ||||
mmp | EXT4_FEATURE_INCOMPAT_MMP | ||||
needs_recovery | EXT3_FEATURE_INCOMPAT_RECOVER | ||||
has_journal | EXT3_FEATURE_COMPAT_HAS_JOURNAL | ||||
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 |