[S390] xpram off by one error.

[linux-2.6] / block / ll_rw_blk.c

diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 61d6b3c65b6697105a432378ba452a86ebc346bf..ddd9253f9d55f267120ddf04a014eaecd12d283c 100644 (file)
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3628,6 +3628,8 @@ struct io_context *current_io_context(gfp_t gfp_flags)
                ret->nr_batch_requests = 0; /* because this is 0 */
                ret->aic = NULL;
                ret->cic_root.rb_node = NULL;
+               /* make sure set_task_ioprio() sees the settings above */
+               smp_wmb();
                tsk->io_context = ret;
        }