[PATCH v5 04/10] block: move flush initialization to blk_flush_init

Ming Lei
2014-09-25T15:24:27Z

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>
---
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 215490a..bfb44ba 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 c72ab32..a49ffbd 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);

--
1.7.9.5