X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=block%2Fblk.h;h=5ee3d7e72feb0eda7a3abb127f06e82d96142b51;hb=812df48d127365ffd0869aa139738f572a86759c;hp=9e0042ca9495909623d739c83efc6eb3d110ac53;hpb=9934c8c04561413609d2bc38c6b9f268cba774a4;p=safe%2Fjmp%2Flinux-2.6

diff --git a/block/blk.h b/block/blk.h
index 9e0042c..5ee3d7e 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -13,6 +13,8 @@ extern struct kobj_type blk_queue_ktype;
 void init_request_from_bio(struct request *req, struct bio *bio);
 void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
 			struct bio *bio);
+int blk_rq_append_bio(struct request_queue *q, struct request *rq,
+		      struct bio *bio);
 void blk_dequeue_request(struct request *rq);
 void __blk_queue_free_tags(struct request_queue *q);
 
@@ -102,6 +104,7 @@ int ll_front_merge_fn(struct request_queue *q, struct request *req,
 int attempt_back_merge(struct request_queue *q, struct request *rq);
 int attempt_front_merge(struct request_queue *q, struct request *rq);
 void blk_recalc_rq_segments(struct request *rq);
+void blk_rq_set_mixed_merge(struct request *rq);
 
 void blk_queue_congestion_threshold(struct request_queue *q);
 
@@ -154,12 +157,12 @@ static inline int blk_cpu_to_group(int cpu)
  *
  *	a) it's attached to a gendisk, and
  *	b) the queue had IO stats enabled when this request was started, and
- *	c) it's a file system request
+ *	c) it's a file system request or a discard request
  */
 static inline int blk_do_io_stat(struct request *rq)
 {
-	return rq->rq_disk && blk_rq_io_stat(rq) && blk_fs_request(rq) &&
-		blk_discard_rq(rq);
+	return rq->rq_disk && blk_rq_io_stat(rq) &&
+	       (blk_fs_request(rq) || blk_discard_rq(rq));
 }
 
 #endif