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 _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
