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    SubjectRe: [e2fsprogs PATCH] Userspace solution to time-based UUID without duplicates
    Date
    On Monday 10 December 2007, Theodore Tso wrote:
    > On Tue, Nov 20, 2007 at 06:00:12PM -0500, Theodore Tso wrote:
    > > Basically, the only way to solve this problem 100% in userspace would
    > > be with a userspace daemon running as a privileged user, and some kind
    > > of Unix domain socket.
    > >
    > > Patches to implement this in the e2fsprogs UUID library would be
    > > greatfully accepted.
    >
    > This patch creates a userspace uuidd which correctly generates
    > time-based (version 1) UUID's, with the clock sequence number stored
    > in the filesystem so we correctly detect time going backwards across
    > processes and even across reboots.
    >
    > I believe this patch is a better solution than Helge's kernel patch
    > solution or the kludgy patch to e2fsprogs in the the SLES RPM which
    > tries to solve this problem in another way, but which has been
    > problematic in the past.
    >
    > Helge, could you try this out and see if it meets your needs?
    >
    > (Ted's patch to e2fsprogs removed here)

    FYI, we are currently discussing and testing this proposed patch to e2fsprogs off-list in Red Hat's bugzilla:
    https://bugzilla.redhat.com/show_bug.cgi?id=233471

    Helge


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