[BLOCK][TRIVIAL] ll_rw_blk: header included twice

linux/blkdev.h included twice

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Jens Axboe <axboe@suse.de>

block/ll_rw_blk.c

@@ -26,7 +26,6 @@
 #include <linux/slab.h>
 #include <linux/swap.h>
 #include <linux/writeback.h>
-#include <linux/blkdev.h>
 
 /*
  * for max sense size