[PATCH] cpqarray: fix iostat

cpqarray 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>

1 files changed, 11 insertions, 4 deletions

diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 570d2f049323..d5f519ebbc08 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -998,6 +998,7 @@ static inline void complete_buffers(struct bio *bio, int ok)
  */
 static inline void complete_command(cmdlist_t *cmd, int timeout)
 {
+        struct request *rq = cmd->rq;
         int ok=1;
         int i, ddir;
 
@@ -1029,12 +1030,18 @@ static inline void complete_command(cmdlist_t *cmd, int timeout)
                 pci_unmap_page(hba[cmd->ctlr]->pci_dev, cmd->req.sg[i].addr,
                                 cmd->req.sg[i].size, ddir);
 
-        complete_buffers(cmd->rq->bio, ok);
+        complete_buffers(rq->bio, ok);
 
-        add_disk_randomness(cmd->rq->rq_disk);
+        if (blk_fs_request(rq)) {
+                const int rw = rq_data_dir(rq);
 
-        DBGPX(printk("Done with %p\n", cmd->rq););
-        end_that_request_last(cmd->rq, ok ? 1 : -EIO);
+                disk_stat_add(rq->rq_disk, sectors[rw], rq->nr_sectors);
+        }
+
+        add_disk_randomness(rq->rq_disk);
+
+        DBGPX(printk("Done with %p\n", rq););
+        end_that_request_last(rq, ok ? 1 : -EIO);
 }
 
 /*