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-rw-r--r--drivers/md/md.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 4da240ffe2c5..4191f22acce4 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -487,6 +487,7 @@ struct mddev {
struct bio_set sync_set; /* for sync operations like
* metadata and bitmap writes
*/
+ struct bio_set io_acct_set; /* for raid0 and raid5 io accounting */
/* Generic flush handling.
* The last to finish preflush schedules a worker to submit
@@ -683,6 +684,12 @@ struct md_thread {
void *private;
};
+struct md_io_acct {
+ struct bio *orig_bio;
+ unsigned long start_time;
+ struct bio bio_clone;
+};
+
#define THREAD_WAKEUP 0
static inline void safe_put_page(struct page *p)
@@ -714,6 +721,7 @@ extern void md_error(struct mddev *mddev, struct md_rdev *rdev);
extern void md_finish_reshape(struct mddev *mddev);
void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev,
struct bio *bio, sector_t start, sector_t size);
+void md_account_bio(struct mddev *mddev, struct bio **bio);
extern bool __must_check md_flush_request(struct mddev *mddev, struct bio *bio);
extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev,