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    SubjectRe: ext4 features
    On Fri, 7 Jul 2006, Trond Myklebust wrote:
    > On Fri, 2006-07-07 at 11:38 +0200, Bodo Eggert wrote:

    > > If the changes to these files are very infrequent compared to nanoseconds,
    > > you'll only need the version during some nanoseconds, and only during
    > > runtime. Having a second-change-within-one-timeframe-flag(*) instead of
    > > versions will be enough to make NFS mostly happy and only penalize your
    > > users for one nanosecond, and it won't force version-keeping into the
    > > filesystem. And besides that, all other filesystems will profit even
    > > without having nanosecond resolution nor versioning (but they'll suffer
    > > for up to a whole second).
    >
    > NFS never required file versioning. You're talking to the wrong person.
    > It does, however, need a change attribute that logs all changes to the
    > file. The above flag does not suffice to provide that.

    ACK, that's why I'm suggesting this doublechange-flag.
    --
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