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    SubjectRe: [PATCH 00/22 take 3] UBI: Unsorted Block Images
    On Sun, 2007-03-18 at 11:27 -0500, Matt Mackall wrote:
    > Forgive my ignorance, but why did you not implement the two features
    > above as device mapper layers instead? A device mapper can arbitrarily
    > transform I/O addresses and contents and has direct access to the
    > mapped device's ioctl interfaces, etc.

    Just because UBI is designed for flash devices, not block devices. Note,
    UBI is not for MMC/USB stick/SC/etc flashes, which are used as block
    devices, but for _bare_ flashes.

    Please, glance here to find more information about the different between
    flashes and block devices:

    Best regards,
    Artem Bityutskiy (Битюцкий Артём)

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