bdi: remove unused stuff
authorTejun Heo <tj@kernel.org>
Sun, 7 Sep 2014 23:03:57 +0000 (08:03 +0900)
committerJens Axboe <axboe@fb.com>
Mon, 8 Sep 2014 16:00:36 +0000 (10:00 -0600)
Two flags and one bdi_writeback field are no longer used.  Remove
them.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
include/linux/backing-dev.h

Simple merge