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    Subject[ANNOUNCEMENT PATCH COW] proof of concept impementation of cowlinks
    Couldn't sleep last night and finished a first complete version of
    cowlinks, code-named MAD COW. It is still based on the stupid old
    design with a flag to distinguish between regular hard links and
    cowlinks. Please don't comment on that design, it's just a proof of
    concept.

    Patches are against 2.6.5 but most things should apply to other 2.6
    kernel without too much trouble.

    1 generic_sendpage - allow sendfile with ext[23] files as target
    2 sendfile - introduce vfs_sendfile for in-kernel use
    3 copyfile - new copyfile() system call
    4 lock_flags - old cruft, just ignore it
    5 madcow - the MAD COW itself

    Patches 1-3 will stay, 4 will be remove and 5 replaced by a better
    design over time. I've also set up a webpage for it:
    http://wohnheim.fh-wedel.de/~joern/cowlink/

    Maybe that should be converted into a wiki so someone with better
    taste than myself can improve it.

    Jörn

    --
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