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    SubjectRe: bkl cleanup in do_sysctl
        Lee> Someone once suggested that newbies who show up on LKML
    Lee> wanting to learn kernel hacking should be assigned to find
    Lee> one use of the BKL and replace it with proper locking.

    Unfortunately most of the remaining BKL uses seem to be very subtle.
    Removing lock_kernel() correctly requires a deep understanding of the
    global locking semantics and may be very invasive. In the end it's
    also hard to be sure bugs haven't been introduced.

    Lee> For example reiserfs uses the BKL for all write locking (!),
    Lee> but it probably would not be too hard to fix, because you can
    Lee> just look at another filesystem that has proper locking.

    Fixing up a filesystem's write locking doesn't sound like a very good
    newbie project to me.

    - R.
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