NILFS is a log-structured file system supporting versioning of an entire file system and continuous snapshotting that allows users to restore files mistakenly overwritten or destroyed a while ago.

This site provides related resources of NILFS including source packages and binary packages.

NILFS is under development. We welcome any comments or contributions.

• NILFS 2.0.4 was released. Fixed hangup problem while deleting very large files, and supported kernel 2.6.27-rc1 experimentally.
  -- Aug 6, 2008 JST.
• NILFS 2.0.3 and NILFS utilities 2.0.5 were released. Kernel versions up to 2.6.26 were supported. Build problems for ia64 machines or newer kernels were fixed. A hang problem after read/write remount was fixed. Mount.nilfs2 supported a fake option. Writeback implementation was improved to avoid prolonged page locking during writebacks. Other changes include code cleanups to improve readability, remove redundancies, and resolve checkpatch warnings.
  -- Jul 14, 2008 JST.
• NILFS utilities 2.0.4 was released. The segmentation fault that occured if mount.nilfs2 was directly invoked without passing through /sbin/mount, was fixed.
  -- Jun 20, 2008 JST.
• nilfs.org and the nilfs mailing list will stop from June 10 6:00 a.m. to 7:00 a.m. UTC and from June 13 9:00 a.m. to June 16 0:30 a.m. UTC due to system maintenance and planned power outage respectively. Sorry for inconvenience.
  We are back, thank you. June 16, 2008 JST
  -- Jun 9, 2008 JST.
• NILFS utilities 2.0.3 was released. fix a package problem that `make dist-bzip2' creates a tarball without man pages and so forth. This release is equivalent to nilfs-utils-2.0.2 for the rest.
  -- May 22, 2008 JST.
• NILFS utilities 2.0.2 was released. Man pages are added to the utility package.
  -- May 20, 2008 JST.
• A summary of NILFS2 usage was put on What is NILFS? page.
  -- May 9, 2008 JST.
• NILFS binary packages for several distributions are available. See Download page.
  -- Mar 31, 2008 JST.

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