diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-06-27 09:31:47 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-06-29 09:09:08 -0600 |
| commit | db9819c76c1fd48c30699381c94bba5c95dd467e (patch) | |
| tree | 825e36ac36ed65f84cb81eef8218a7194182396a /block/bio.c | |
| parent | dm: use bio_uninit instead of bio_disassociate_blkg (diff) | |
| download | linux-dev-db9819c76c1fd48c30699381c94bba5c95dd467e.tar.xz linux-dev-db9819c76c1fd48c30699381c94bba5c95dd467e.zip | |
block: remove bio_disassociate_blkg
bio_disassociate_blkg has two callers, of which one immediately assigns
a new value to >bi_blkg. Just open code the function in the two callers.
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bio.c')
| -rw-r--r-- | block/bio.c | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/block/bio.c b/block/bio.c index fb5533416fa6..8aef4460b32e 100644 --- a/block/bio.c +++ b/block/bio.c @@ -234,8 +234,12 @@ fallback: void bio_uninit(struct bio *bio) { - bio_disassociate_blkg(bio); - +#ifdef CONFIG_BLK_CGROUP + if (bio->bi_blkg) { + blkg_put(bio->bi_blkg); + bio->bi_blkg = NULL; + } +#endif if (bio_integrity(bio)) bio_integrity_free(bio); @@ -1626,21 +1630,6 @@ EXPORT_SYMBOL(bioset_init_from_src); #ifdef CONFIG_BLK_CGROUP /** - * bio_disassociate_blkg - puts back the blkg reference if associated - * @bio: target bio - * - * Helper to disassociate the blkg from @bio if a blkg is associated. - */ -void bio_disassociate_blkg(struct bio *bio) -{ - if (bio->bi_blkg) { - blkg_put(bio->bi_blkg); - bio->bi_blkg = NULL; - } -} -EXPORT_SYMBOL_GPL(bio_disassociate_blkg); - -/** * __bio_associate_blkg - associate a bio with the a blkg * @bio: target bio * @blkg: the blkg to associate @@ -1656,8 +1645,8 @@ EXPORT_SYMBOL_GPL(bio_disassociate_blkg); */ static void __bio_associate_blkg(struct bio *bio, struct blkcg_gq *blkg) { - bio_disassociate_blkg(bio); - + if (bio->bi_blkg) + blkg_put(bio->bi_blkg); bio->bi_blkg = blkg_tryget_closest(blkg); } |