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    SubjectRe: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1)
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    On Wed, Aug 01, 2007 at 10:35:41PM -0400, Lee Revell wrote:
    > On 7/31/07, Ingo Molnar <mingo@elte.hu> wrote:
    > > Almost all of the Reiser3
    > > code runs under the BKL, and the only other major kernel infrastructure
    > > that has BKL dependencies is the TTY code.
    >
    > Also NFS:
    >
    > $ grep -rIi lock_kernel kernel-source/linux-2.6.17/fs/nfs/ | wc -l
    > 94

    All the file locking code (the nfs-related stuff in fs/lockd/, and also
    the vfs code in fs/locks.c) is under the kernel lock. I doubt it's held
    very long unless you have ridiculous numbers of processes requesting
    locks on the same file, but I don't know.

    --b.
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