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    SubjectRe: [PATCHv3] UBI: new module ubiblk: block layer on top of UBI
    On Wed, 2011-08-17 at 15:17 +0200,
    > Questions:
    > ==========
    > I wasn't sure what magic ioctl number to use, so I settled to use the same one
    > as a part of UBI: 'O', which was so far only used by UBI but on a higher range
    > and leaving some room for UBI to add ioctls (for nw, it uses 'O'/0x00-0x06 and
    > ubiblk uses 'O'/0x10-0x11). Is it ok or should ubiblk use a different
    > number/range ?

    I think this is OK to share them between UBI and ubiblk, as long as this
    is documented. But I always CC Arnd when it comes to ioctl-related

    P.S. Arnd, you can always find the initial post in lkml, if needed.

    Best Regards,
    Artem Bityutskiy

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