block: fix async_depth sysfs interface for mq-deadline

A previous commit added this feature, but it inadvertently used the wrong variable to show/store the setting from/to, victimized by copy/paste. Fix it up so that the async_depth sysfs interface reads and writes from the right setting. Fixes: 0775758 ("block/mq-deadline: Reserve 25% of scheduler tags for synchronous requests") Link: https://bugzilla.kernel.org/show_bug.cgi?id=215485 Reviewed-by: Bart Van Assche <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
josf · Jan 20, 2022 · 46cdc45 · 46cdc45
1 parent 3ee859e
commit 46cdc45
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/block/mq-deadline.c b/block/mq-deadline.c
@@ -865,7 +865,7 @@ SHOW_JIFFIES(deadline_write_expire_show, dd->fifo_expire[DD_WRITE]);
 SHOW_JIFFIES(deadline_prio_aging_expire_show, dd->prio_aging_expire);
 SHOW_INT(deadline_writes_starved_show, dd->writes_starved);
 SHOW_INT(deadline_front_merges_show, dd->front_merges);
-SHOW_INT(deadline_async_depth_show, dd->front_merges);
+SHOW_INT(deadline_async_depth_show, dd->async_depth);
 SHOW_INT(deadline_fifo_batch_show, dd->fifo_batch);
 #undef SHOW_INT
 #undef SHOW_JIFFIES
@@ -895,7 +895,7 @@ STORE_JIFFIES(deadline_write_expire_store, &dd->fifo_expire[DD_WRITE], 0, INT_MA
 STORE_JIFFIES(deadline_prio_aging_expire_store, &dd->prio_aging_expire, 0, INT_MAX);
 STORE_INT(deadline_writes_starved_store, &dd->writes_starved, INT_MIN, INT_MAX);
 STORE_INT(deadline_front_merges_store, &dd->front_merges, 0, 1);
-STORE_INT(deadline_async_depth_store, &dd->front_merges, 1, INT_MAX);
+STORE_INT(deadline_async_depth_store, &dd->async_depth, 1, INT_MAX);
 STORE_INT(deadline_fifo_batch_store, &dd->fifo_batch, 0, INT_MAX);
 #undef STORE_FUNCTION
 #undef STORE_INT