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> > This is exactly what I said. Use hdparm to make the HD park > > inmediatelly. I did send the email to the HDPARM developer, but he never > > replied. I asked him what would be the best way to make the HD park with > > no exception and then let it come back 5 or 10 seconds later. > > IIRC, you don't have to do anything to wake up the drive after a > STANDBYNOW command, if you want to be on the safe side you just issue an > IDLEIMMEDIATE. So your code will look something like: the problem for this will be that this app will also want to prevent ANY io going to the disk for a few seconds. I mean, what use is parking the head if you notice the laptop falling, when the kernel submits IO to it and wakes it up again before it hits the ground :) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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