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    SubjectRe: -mm merge plans for 2.6.23
    On 7/25/07, Zan Lynx <zlynx@acm.org> wrote:
    > On Wed, 2007-07-25 at 09:02 -0700, Ray Lee wrote:
    >
    > > I'd just like updatedb to amortize its work better. If we had some way
    > > to track all filesystem events, updatedb could keep a live and
    > > accurate index on the filesystem. And this isn't just updatedb that
    > > wants that, beagle and tracker et al also want to know filesystem
    > > events so that they can index the documents themselves as well as the
    > > metadata. And if they do it live, that spreads the cost out, including
    > > the VM pressure.
    >
    > That would be nice. It'd be great if there was a per-filesystem inotify
    > mode. I can't help but think it'd be more efficient than recursing
    > every directory and adding a watch.
    >
    > Or maybe a netlink thing that could buffer events since filesystem mount
    > until a daemon could get around to starting, so none were lost.

    See "Filesystem Event Reporter" by Yi Yang, that does pretty much
    exactly that. http://lkml.org/lkml/2006/9/30/98 . Author had things to
    update, never resubmitted it as far as I can tell.

    Ray
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