On 2012-10-03 15:49, Philipp Reisner wrote: >> Thanks, one question before this is pulled in: >>> Philipp Reisner (6): >>> drbd: Add a drbd directory to sysfs >>> drbd: expose the data generation identifiers via sysfs >> >> What are these? It's sitting in /sys/block/<dev>/drbd/, I don't see any >> documentation or justification for that. >> >> Why isn't it off in debugfs or similar instead? > > The long-time goal is to get rid of the /proc/drbd virtual file, and > present the information that was there in a more structured way in /sys. > > This patch adds a very first step into that direction. Later we intend to > have here things like the connections state, device roles, statistics > counters there. > > When coming up with the layout we used the sysfs presence of software raid > as example.
Software raid is different, though, in that it's a class/type of device. So for drbd, I'd still recommend you look outside of the regular /sys/block hierarchy for adding something like this. > I have removed it from this pull-request, so that there is more time for > consideration before the next merge window. Thanks, pulled. -- Jens Axboe -- 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/
