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    SubjectRe: [RFC] Lock free fd lookup
    * Ravikiran G Thirumalai ( wrote:
    > This makes use of the lockfree refcounting infrastructure (see earlier
    > posting today) to make files_struct.fd[] lookup lockfree. This is carrying
    > forward work done by Maneesh and Dipankar earlier.
    > With the lockfree fd lookup patch, tiobench performance increases by 13%
    > for sequential reads, 21 % for random reads on a 4 processor pIII xeon.

    I'm curious, how much of the performance improvement is from RCU usage
    vs. making the basic syncronization primitive aware of a reader and
    writer distinction? Do you have benchmark for simply moving to rwlock_t?

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