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    SubjectRe: BKL removal
    On Wed, Jul 10, 2002 at 12:03:08PM +0200, Marco Colombo wrote:
    > Larry, there's something I've always wanted to ask you about your
    > idea of the "locking cliff": when you're counting the number of locks,
    > are you looking at the running image of an OS or at the source?

    Larry normally talks about the number of conceptual locks. So in order
    to manipulate a `struct file', it really doesn't matter whether you have
    to grab the BKL, the files_struct lock or the filp->lock. There's a big
    difference if you have to grab the filp->pos_lock, the filp->ra_lock and
    the filp->iobuf_lock. You'd have to know what order to grab them in,
    for a start.

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