[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>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>

diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 78082edc14b4f6fdaec8652f12b45e3a921c3223..5ee5f937827ceeabe11f4442c156b56b92c1093f 100644 (file)
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -1000,6 +1000,7 @@ 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;
 
@@ -1031,12 +1032,18 @@ 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);
 }
 
 /*