[PATCH] cciss: fix iostat

cciss needs to call disk_stat_add() for iostat to work.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 2cd3391ff8783dcb8497600d833f4cedf4a24eb4..455c31820315ac14828b2f19201da9c2a6fadf43 100644 (file)
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1302,6 +1302,12 @@ static void cciss_softirq_done(struct request *rq)
 
        complete_buffers(rq->bio, rq->errors);
 
+       if (blk_fs_request(rq)) {
+               const int rw = rq_data_dir(rq);
+
+               disk_stat_add(rq->rq_disk, sectors[rw], rq->nr_sectors);
+       }
+
 #ifdef CCISS_DEBUG
        printk("Done with %p\n", rq);
 #endif                         /* CCISS_DEBUG */