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    SubjectRe: devfs vs udev, thoughts from a devfs user
    On Tue, 10 Feb 2004, Greg KH wrote:

    > On Tue, Feb 10, 2004 at 03:34:18AM -0800, Mike Bell wrote:
    > > I've been reading a lot lately about udev and how it's both very
    > > different to and much better than devfs, and with _most_ of the reasons
    > > given, I can't see how either is the case. I'd like to lay out why I
    > > think that is.
    > One final comment: Can you implement a persistent device naming scheme
    > using devfs today? If so, please show me how you would:
    > - always name a USB printer the same /dev name no matter when it
    > is discovered by the USB core (before or after any other USB
    > printer.)
    > - always name your SCSI disk the same /dev name no matter where
    > in the scsi probe sequence it is (yank it out and plug it into
    > another place in your scsi rack.)
    > This is the main problem that udev solves. The fact that it also gives
    > you a dynamic /dev is just extra goodness.

    In his final comment, inocently, he makes the big point.

    This a huge deal.


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