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blk-cgroup: remove blkcg_bio_issue_check

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blkcg_bio_issue_check is a giant inline function that does three entirely
different things.  Factor out the blk-cgroup related bio initalization
into a new helper, and the open code the sequence in the only caller,
relying on the fact that all the actual functionality is stubbed out for
non-cgroup builds.

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2020-06-27 09:31:58 +02:00
committed by Jens Axboe
parent 93b8063804
commit db18a53e5b
5 changed files with 47 additions and 57 deletions
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5
block/blk-throttle.c
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@@ -2158,9 +2158,10 @@ static inline void throtl_update_latency_buckets(struct throtl_data *td)
}
#endif
bool blk_throtl_bio(struct request_queue *q, struct blkcg_gq *blkg,
struct bio *bio)
bool blk_throtl_bio(struct bio *bio)
{
struct request_queue *q = bio->bi_disk->queue;
struct blkcg_gq *blkg = bio->bi_blkg;
struct throtl_qnode *qn = NULL;
struct throtl_grp *tg = blkg_to_tg(blkg ?: q->root_blkg);
struct throtl_service_queue *sq;