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| author | Christoph Hellwig <hch@lst.de> | 2016-10-20 15:12:12 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-10-28 08:45:17 -0600 |
| commit | 8d2bbd4c8236e9e38e6b36ac9e2c54fdcfe5b335 (patch) | |
| tree | 63269c1f79d2648a350d307ef4179d89216f90ec /block/blk-throttle.c | |
| parent | 188bd2b16b3c6ea87a90df20f33db0adcdb75f0c (diff) | |
| download | lwn-8d2bbd4c8236e9e38e6b36ac9e2c54fdcfe5b335.tar.gz lwn-8d2bbd4c8236e9e38e6b36ac9e2c54fdcfe5b335.zip | |
block: replace REQ_THROTTLED with a bio flag
It's the last bio-only REQ_* flag, and we have space for it in the bio
bi_flags field.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Shaun Tancheff <shaun.tancheff@seagate.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-throttle.c')
| -rw-r--r-- | block/blk-throttle.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c index a3ea8260c94c..a6bb4fe326c3 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -818,13 +818,13 @@ static void throtl_charge_bio(struct throtl_grp *tg, struct bio *bio) tg->io_disp[rw]++; /* - * REQ_THROTTLED is used to prevent the same bio to be throttled + * BIO_THROTTLED is used to prevent the same bio to be throttled * more than once as a throttled bio will go through blk-throtl the * second time when it eventually gets issued. Set it when a bio * is being charged to a tg. */ - if (!(bio->bi_opf & REQ_THROTTLED)) - bio->bi_opf |= REQ_THROTTLED; + if (!bio_flagged(bio, BIO_THROTTLED)) + bio_set_flag(bio, BIO_THROTTLED); } /** @@ -1401,7 +1401,7 @@ bool blk_throtl_bio(struct request_queue *q, struct blkcg_gq *blkg, WARN_ON_ONCE(!rcu_read_lock_held()); /* see throtl_charge_bio() */ - if ((bio->bi_opf & REQ_THROTTLED) || !tg->has_rules[rw]) + if (bio_flagged(bio, BIO_THROTTLED) || !tg->has_rules[rw]) goto out; spin_lock_irq(q->queue_lock); @@ -1480,7 +1480,7 @@ out: * being issued. */ if (!throttled) - bio->bi_opf &= ~REQ_THROTTLED; + bio_clear_flag(bio, BIO_THROTTLED); return throttled; } |