USB: musb: respect usb_request->zero in control requests

[safe/jmp/linux-2.6] / block / blk.h

diff --git a/block/blk.h b/block/blk.h
index c863ec2..5ee3d7e 100644 (file)
--- a/block/blk.h
+++ b/block/blk.h
@@ -104,6 +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);
 
@@ -156,12 +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