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| author | Dennis Zhou (Facebook) <dennisszhou@gmail.com> | 2018-09-11 14:41:30 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-09-21 20:29:08 -0600 |
| commit | 5bf9a1f3b4efef7e463105dde8bba4d2397909c2 (patch) | |
| tree | c3179d65eba843d4cfa945544743955e889ad3f5 /block | |
| parent | a7b39b4e961c4e2b3ed837803a7441a65c90ce33 (diff) | |
| download | linux-5bf9a1f3b4efef7e463105dde8bba4d2397909c2.tar.bz2 | |
blkcg: consolidate bio_issue_init to be a part of core
bio_issue_init among other things initializes the timestamp for an IO.
Rather than have this logic handled by policies, this consolidates it to
be on the init paths (normal, clone, bounce clone).
Signed-off-by: Dennis Zhou <dennisszhou@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Liu Bo <bo.liu@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/bio.c | 2 | ||||
| -rw-r--r-- | block/blk-iolatency.c | 2 | ||||
| -rw-r--r-- | block/blk-throttle.c | 8 | ||||
| -rw-r--r-- | block/bounce.c | 2 |
4 files changed, 4 insertions, 10 deletions
diff --git a/block/bio.c b/block/bio.c index 748d7132f172..80c948da061c 100644 --- a/block/bio.c +++ b/block/bio.c @@ -610,6 +610,8 @@ void __bio_clone_fast(struct bio *bio, struct bio *bio_src) bio->bi_io_vec = bio_src->bi_io_vec; bio_clone_blkcg_association(bio, bio_src); + + blkcg_bio_issue_init(bio); } EXPORT_SYMBOL(__bio_clone_fast); diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c index 7337fbc7f850..2d848b2f8b87 100644 --- a/block/blk-iolatency.c +++ b/block/blk-iolatency.c @@ -398,8 +398,6 @@ static void blkcg_iolatency_throttle(struct rq_qos *rqos, struct bio *bio, if (!blk_iolatency_enabled(blkiolat)) return; - bio_issue_init(&bio->bi_issue, bio_sectors(bio)); - while (blkg && blkg->parent) { struct iolatency_grp *iolat = blkg_to_lat(blkg); if (!iolat) { diff --git a/block/blk-throttle.c b/block/blk-throttle.c index e62ae502891b..4bda70e8db48 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -2115,13 +2115,6 @@ static inline void throtl_update_latency_buckets(struct throtl_data *td) } #endif -static void blk_throtl_assoc_bio(struct throtl_grp *tg, struct bio *bio) -{ -#ifdef CONFIG_BLK_DEV_THROTTLING_LOW - bio_issue_init(&bio->bi_issue, bio_sectors(bio)); -#endif -} - bool blk_throtl_bio(struct request_queue *q, struct blkcg_gq *blkg, struct bio *bio) { @@ -2145,7 +2138,6 @@ bool blk_throtl_bio(struct request_queue *q, struct blkcg_gq *blkg, if (unlikely(blk_queue_bypass(q))) goto out_unlock; - blk_throtl_assoc_bio(tg, bio); blk_throtl_update_idletime(tg); sq = &tg->service_queue; diff --git a/block/bounce.c b/block/bounce.c index bc63b3a2d18c..7a08703b1204 100644 --- a/block/bounce.c +++ b/block/bounce.c @@ -259,6 +259,8 @@ static struct bio *bounce_clone_bio(struct bio *bio_src, gfp_t gfp_mask, bio_clone_blkcg_association(bio, bio_src); + blkcg_bio_issue_init(bio); + return bio; } |