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    SubjectRe: [PATCH 09/18] fs: rework icount to be a locked variable
    On Fri, Oct 08, 2010 at 06:50:01PM +1100, Dave Chinner wrote:
    > > There's no need to lock a normal 32-bit variable for readers.
    > Ok, but will need a memory barrier instead?

    Isn't spin_unlock supposed to be one? I'll need some of the locking
    experts to shime in.

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      Last update: 2010-10-08 10:19    [W:0.018 / U:9.952 seconds]
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