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-rw-r--r--include/linux/blkdev.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 55ef6efe3eb..d2dc17151f6 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -232,7 +232,13 @@ struct request {
struct hlist_node hash; /* merge hash */
struct rb_node rb_node; /* sort/lookup */
+ /*
+ * two pointers are available for the IO schedulers, if they need
+ * more they have to dynamically allocate it.
+ */
void *elevator_private;
+ void *elevator_private2;
+
void *completion_data;
int rq_status; /* should split this into a few status bits */