1 files changed, 3 insertions, 3 deletions

diff --git a/block/blk.h b/block/blk.h
index c863ec2281e0..3fae6add5430 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -156,12 +156,12 @@ 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