Projects / cowdancer

cowdancer

cowdancer allows copy-on-write file access. You can copy a full tree using hard links, and cowdancer will create a new copy when you need to write to a file. It's completely implemented in userland, and should run on most Linux filesystems.

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Implementation

Recent releases

  •  05 Mar 2006 16:11

    Release Notes: This release supports spaces in filenames.

    •  26 Jan 2006 00:17

      Release Notes: This release check for error values on COW operations and returns errors to the application with ENOMEM.

      •  15 Jan 2006 05:35

        Release Notes: A pthread race condition on initialization was fixed.

        •  08 Jan 2006 16:23

          Release Notes: This release fixes a problem found during stress testing. It changes the order of copying for the case when /lib/ld.so binary is written to; shared binaries cannot be forked/exec'd while ld.so does not exist.

          •  07 Jan 2006 08:29

            Release Notes: Speed improvements were made. The binary ilist is saved in cow-shell and loaded mmap in cowdancer. The ilist is now also sorted. The code is now a bit more thread-safe.

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