On Wed, 27 Aug 2014, Douglas Gilbert wrote: > The unit attention doesn't look like a problem, it > looks correct. If the system is unable to detect > removable media being changed while the system is > suspended, then .... > > If the media has a unique identifier, then this unit > attention at wakeup should trigger sd to make sure > that unique identifier has not changed.
Does sd have any code to do this? I'm not aware of any, but there ought to be some. Otherwise there's no way to tell when a so-called media change was just the old media being taken out and put back in. Or maybe this functionality belongs in the block layer rather than in sd. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/