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    SubjectRe: Status of storage autosuspend
    Hi!

    > > What is the status of USB storage/SCSI autosuspend patches? They work
    > > nicely here ;-).
    >
    > I could submit them, but there is one outstanding problem I would like
    > to solve first. Maybe you can suggest a solution.
    >
    > The problem is how to handle SG_IOCTL calls. It seems that the only
    > safe thing to do is to force an autoresume and prevent the device from
    > autosuspending until the device file is closed. Unfortunately the
    > SG_IOCTL stuff is all handled inside the block layer, and there's no
    > apparent way (other than some dreadful hack) of passing the necessary
    > information down to the SCSI layer.

    Hmm...

    > Should we ignore this issue and submit the patches anyway?

    I think you should. "Easy" (and clean) solution to that issue is to
    just return -EPERM from SG_IOCTL if autosuspend is configured in ;-).

    Pavel
    --
    (english) http://www.livejournal.com/~pavelmachek
    (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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