From: Yu Kuai <yukuai3@xxxxxxxxxx>
Now that 'bfqq_already_existing' is only used in one branch, it can be
removed. There are no functional changes.
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
block/bfq-iosched.c | 37 ++++++++++++++++---------------------
1 file changed, 16 insertions(+), 21 deletions(-)
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 54f6eae2763d..7936e8bc166a 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -6877,7 +6877,6 @@ static struct bfq_queue *bfq_init_rq(struct request *rq)
const int is_sync = rq_is_sync(rq);
struct bfq_queue *bfqq;
bool new_queue = false;
- bool bfqq_already_existing = false;
unsigned int a_idx = bfq_actuator_index(bfqd, bio);
if (unlikely(!rq->elv.icq))
@@ -6918,31 +6917,27 @@ static struct bfq_queue *bfq_init_rq(struct request *rq)
bfqq = bfq_get_bfqq_handle_split(bfqd, bic, bio,
true, is_sync,
NULL);
- if (unlikely(bfqq == &bfqd->oom_bfqq))
- bfqq_already_existing = true;
- else
+ if (likely(bfqq != &bfqd->oom_bfqq)) {
bfq_bfqq_resume_state(bfqq, bfqd, bic,
false);
+ bfqq->waker_bfqq = waker_bfqq;
+ bfqq->tentative_waker_bfqq = NULL;
+
+ /*
+ * If the waker queue disappears, then
+ * new_bfqq->waker_bfqq must be
+ * reset. So insert new_bfqq into the
+ * woken_list of the waker. See
+ * bfq_check_waker for details.
+ */
+ if (waker_bfqq)
+ hlist_add_head(
+ &bfqq->woken_list_node,
+ &bfqq->waker_bfqq->woken_list);
+ }
} else {
- bfqq_already_existing = true;
bfq_bfqq_resume_state(bfqq, bfqd, bic, true);
}
-
- if (!bfqq_already_existing) {
- bfqq->waker_bfqq = waker_bfqq;
- bfqq->tentative_waker_bfqq = NULL;
-
- /*
- * If the waker queue disappears, then
- * new_bfqq->waker_bfqq must be
- * reset. So insert new_bfqq into the
- * woken_list of the waker. See
- * bfq_check_waker for details.
- */
- if (waker_bfqq)
- hlist_add_head(&bfqq->woken_list_node,
- &bfqq->waker_bfqq->woken_list);
- }
}
}
--
2.39.2
