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    SubjectPatch(2.5.54): devfs shrink - integration candidate
     	The sixth iteration of my devfs code shink is available here:
    I believe the deletions make the patch so big that the
    linux-kernel mailing list filters prevent me from submit an email that
    includes it.

    This patch reduces include/linux/devfs*.h and fs/devfs from
    3655 lines to 1239, a reduction of 2450 lines, nearly a factor three.
    That may not be as impressive as the original 5X reduction, but that
    is mostly because I've restored a bunch of functionality that I hope
    to eliminate in the future.

    I'd like to thank Richard Gooch for writing devfs. I think it
    was a great idea and the effort involved in implementing it,
    especially when it was not clear that it could work well, was probably
    about 30-100 times my effort in shrinking it. I immediately became a
    convert within a day of trying it. I'd be happy for Richard to take
    over this code and continue maintaining devfs. If he doesn't want to,
    I'm willing to and I'm also happy to let someone else do it if they

    This is nearly the same patch that I attempted to post on
    January 2, but apparently some well intentioned spam filter blocked
    it. I had this problem once before, also when submitting a big patch
    with a lot of deletions sent as a MIME attachment. This time I'm
    submitting the patch as part of the text of my message.

    The there are no code changes between this version and the one
    that I tried to post on January 2. In the meantime, I've used it and
    stared at it more, and now I'm posting this as a candiate for
    integration into Linus's kernel.

    The January 2 version introduced two significant changes:
    isolating the filesystem driver to a separate file that only exports
    two symbols (devfs_vfsmount and init_devfs_fs), and making that patch
    a change to fs/devfs rather than a new filesystem. (If anyone would
    prefer that I submit this as a separate file system, please let me

    If you want devfsd functionality (well, at least the
    "REGISTER" and "LOOKUP" events), you can get my user level program
    devfs_helper, which is a reduced functionality replacement program for
    devfsd from the following URL.

    devfs_helper is program that is exec'ed on each event rather
    than being a daemon that waits on events. When the new module_param
    code is further developed, I will default the devfs_helper to be
    turned off until a user level program sets the name of the program.

    Finally, I'd like to move forward toward getting this into
    Linus's kernel. Any blessings, curses, requests for changes or advice
    on the best way to proceed would be appreciated.

    Adam J. Richter __ ______________ 575 Oroville Road \ / Milpitas, California 95035
    +1 408 309-6081 | g g d r a s i l United States of America
    "Free Software For The Rest Of Us."
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