Commit 81630e27 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe

blk-cgroup: remove the !bio->bi_blkg check in blkcg_bio_issue_check

This is purely a sanity check for grave programming errors.  Remove it
to simplify further work in this area.
Acked-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 13c7863d
......@@ -543,24 +543,11 @@ static inline void blkcg_bio_issue_init(struct bio *bio)
static inline bool blkcg_bio_issue_check(struct request_queue *q,
struct bio *bio)
{
struct blkcg_gq *blkg;
struct blkcg_gq *blkg = bio->bi_blkg;
bool throtl = false;
rcu_read_lock();
if (!bio->bi_blkg) {
char b[BDEVNAME_SIZE];
WARN_ONCE(1,
"no blkg associated for bio on block-device: %s\n",
bio_devname(bio, b));
bio_associate_blkg(bio);
}
blkg = bio->bi_blkg;
throtl = blk_throtl_bio(q, blkg, bio);
if (!throtl) {
struct blkg_iostat_set *bis;
int rwd, cpu;
......
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