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-rw-r--r--include/linux/blkdev.h1
-rw-r--r--include/linux/elevator.h2
-rw-r--r--include/linux/genhd.h1
3 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8f3dd98..16f7f1b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -115,6 +115,7 @@ struct request {
void *elevator_private3;
struct gendisk *rq_disk;
+ struct hd_struct *part;
unsigned long start_time;
#ifdef CONFIG_BLK_CGROUP
unsigned long long start_time_ns;
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 2c958f4..df1ee86 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -121,6 +121,8 @@ extern void elv_completed_request(struct request_queue *, struct request *);
extern int elv_set_request(struct request_queue *, struct request *, gfp_t);
extern void elv_put_request(struct request_queue *, struct request *);
extern void elv_drain_elevator(struct request_queue *);
+extern void elv_quiesce_start(struct request_queue *);
+extern void elv_quiesce_end(struct request_queue *);
/*
* io scheduler registration
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 66e26b5..57647ec 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -140,6 +140,7 @@ struct disk_part_tbl {
struct rcu_head rcu_head;
int len;
struct hd_struct *last_lookup;
+ struct gendisk *disk;
struct hd_struct *part[];
};