Re: [prepatch] Directory Notification

From: Erez Zadok (ezk@cs.columbia.edu)
Date: Sat May 20 2000 - 15:31:29 EDT

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    In message <20000519225041.P28590@thepuffingroup.com>, willy@thepuffingroup.com writes:
    > On Fri, May 19, 2000 at 10:30:52PM -0400, willy@thepuffingroup.com wrote:
    > [and forgot to include the patch URL]
    >
    > ftp://ftp.uk.linux.org/pub/linux/people/willy/
    >
    > lock-2.3.99pre8.diff is the kernel patch and dirnot.c is an example program
    > using the interface.

    I looked briefly at the patch, and I'm afraid I don't understand some basic
    things. Perhaps you can let us (-fsdevel) all know the following (which you
    should probably put in a README on your Web page along w/ the patches):

    - what is directory notification
    - (is it related at all to notify_change or the old check_media_change?)
    - what is it good for
    - why it cannot be done using other mechanisms
    - an overview of how it can be used (I couldn't understand it from your test
      program)
    - an overview of what your patch does. (Your patch seems rather long. You
      should explain on this list why it is that long, what it does, etc.)
    - what impact, if any, does your patch have on the rest of the kernel and
      other file systems.

    Whenever I write and submit patches, I accompany them with a README that
    gives people (and esp. kernel maintainers) an overview of what the patch
    does. The kernel maintainers are very busy and get many patch submissions
    all the time; my feeling is that a well thought and well documented patch
    stands a much better chance of getting accepted.

    Thanks,
    Erez. (stacking guy :-)

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