nbd: Add debugfs entries
authorMarkus Pargmann <mpa@pengutronix.de>
Mon, 17 Aug 2015 06:20:06 +0000 (08:20 +0200)
committerJens Axboe <axboe@fb.com>
Mon, 17 Aug 2015 14:22:56 +0000 (08:22 -0600)
Add some debugfs files that help to understand the internal state of
NBD. This exports the different sizes, flags, tasks and so on.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
drivers/block/nbd.c

Simple merge