[Ocfs2-devel] [PATCH 1/3] fs: Document the reflink(2) system call.

[Jamie Lokier]

Joel Becker wrote:
> Both btrfs and ocfs2 will only copy the hunk modified, leaving the
> rest of the file shared; you won't have long wait times for the CoW
> of large files just because you modified one byte.

Which is brilliant and perfect, and should be near the top of any
marketing materials for reflink :-)

-- Jamie