From 3c09676c12b1dabf84acbb5849bfc54acadaf092 Mon Sep 17 00:00:00 2001
From: Ming Lei <ming.lei@canonical.com>
Date: Thu, 25 Sep 2014 23:23:41 +0800
Subject: [PATCH] block: move flush initialization to blk_flush_init
These fields are always used with the flush request, so
initialize them together.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---
block/blk-core.c | 3 ---
block/blk-flush.c | 4 ++++
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/block/blk-core.c b/block/blk-core.c
index 0a9d17269957..222fe84d6ac4 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -600,9 +600,6 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
#ifdef CONFIG_BLK_CGROUP
INIT_LIST_HEAD(&q->blkg_list);
#endif
- INIT_LIST_HEAD(&q->flush_queue[0]);
- INIT_LIST_HEAD(&q->flush_queue[1]);
- INIT_LIST_HEAD(&q->flush_data_in_flight);
INIT_DELAYED_WORK(&q->delay_work, blk_delay_work);
kobject_init(&q->kobj, &blk_queue_ktype);
diff --git a/block/blk-flush.c b/block/blk-flush.c
index c72ab32fd8eb..a49ffbdcfcdc 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -488,6 +488,10 @@ static int blk_mq_init_flush(struct request_queue *q)
int blk_init_flush(struct request_queue *q)
{
+ INIT_LIST_HEAD(&q->flush_queue[0]);
+ INIT_LIST_HEAD(&q->flush_queue[1]);
+ INIT_LIST_HEAD(&q->flush_data_in_flight);
+
if (q->mq_ops)
return blk_mq_init_flush(q);
--
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