xen/blkback: Report VBD_WSECT (wr_sect) properly.

We did not increment the amount of sectors written to disk.

CC: stable@kernel.org
Reported-by: Andy Burns <xen.lists@burns.me.uk>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index e0dab614049c52e625d6114cab6a9a91672f12b1..a3f1010e1e2fd2e6771fd9af82658791dee7e00e 100644 (file)
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -743,7 +743,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif,
 
        if (operation == READ)
                blkif->st_rd_sect += preq.nr_sects;
-       else if (operation == WRITE || operation == WRITE_FLUSH)
+       else if (operation == WRITE_ODIRECT || operation == WRITE_FLUSH)
                blkif->st_wr_sect += preq.nr_sects;
 
        return 0;