This proposal was accepted, and on 28 June 2006, Theodore Ts'o, the ext3 maintainer, announced the new plan of development for ext4.
However, other Linux kernel developers opposed accepting extensions to ext3 for stability reasons, and proposed to fork the source code of ext3, rename it as ext4, and perform all the development there, without affecting existing ext3 users. The ext4 journaling file system or fourth extended filesystem is a journaling file system for Linux, developed as the successor to ext3.Įxt4 was initially a series of backward-compatible extensions to ext3, many of them originally developed by Cluster File Systems for the Lustre file system between 20, meant to extend storage limits and add other performance improvements.
macOS (read-only with ext4fuse, full with ExtFS).FreeBSD (full read/write support since version 12.0).Modification (mtime), attribute modification (ctime), access (atime), delete (dtime), create (crtime)Īcl, bh, bsddf, commit=nrsec, data=journal, data=ordered, data=writeback, delalloc, extents, journal_dev, mballoc, minixdf, noacl, nobh, nodelalloc, noextents, nomballoc, nombcache, nouser_xattr, oldalloc, orlov, user_xattr ģB8F8425-20E0-4F3B-907F-1A25A76F98E8: GPT /srv (server data) partition.Ĥ billion (specified at filesystem creation time)Īll bytes except NUL ('\0') and '/' and the special file names "." and "." which are not forbidden but are always used for a respective special purpose.