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    SubjectRe: [patch] Real-Time Preemption, -RT-2.6.11-rc3-V0.7.38-01
    Ingo Molnar <mingo@elte.hu> wrote:
    >
    >
    > * Steven Rostedt <rostedt@goodmis.org> wrote:
    >
    > > Damn! The answer was right there in front of my eyes! Here's the
    > > cleanest solution. I forgot about wait_on_bit_lock. I've converted
    > > all the locks to use this instead. [...]
    >
    > ah, indeed, this looks really nifty. Andrew?
    >

    There's a little lock ranking diagram in jbd.h which tells us that these
    locks nest inside j_list_lock and j_state_lock. So I guess you'll need to
    turn those into semaphores.

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