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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>
This commit is contained in:
Ming Lei 2014-09-25 23:23:41 +08:00 committed by Jens Axboe
parent f355265571
commit 3c09676c12
2 changed files with 4 additions and 3 deletions
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3
block/blk-core.c
View File

@ -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);

4
block/blk-flush.c
View File

@ -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);