io_uring/cmd: add cmd lazy tw wake helper

[linux-block.git] / include / linux / dim.h

diff --git a/include/linux/dim.h b/include/linux/dim.h
index 6c5733981563eadf5f06c59c5dc97df961692b02..f343bc9aa2ec95adaa3ea685c38dd596758d88b5 100644 (file)
--- a/include/linux/dim.h
+++ b/include/linux/dim.h
@@ -236,8 +236,9 @@ void dim_park_tired(struct dim *dim);
  *
  * Calculate the delta between two samples (in data rates).
  * Takes into consideration counter wrap-around.
+ * Returned boolean indicates whether curr_stats are reliable.
  */
-void dim_calc_stats(struct dim_sample *start, struct dim_sample *end,
+bool dim_calc_stats(struct dim_sample *start, struct dim_sample *end,
                    struct dim_stats *curr_stats);
 
 /**