diff options
| author | Yu Kuai <yukuai3@huawei.com> | 2024-07-19 09:15:05 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-07-29 00:47:51 +0200 |
| commit | d0e92795997c8dce7ec804791e359a93211f9719 (patch) | |
| tree | 57500d773973aad581658627e8a7ba1e3b321173 /block/blk-ioprio.c | |
| parent | blk-cgroup: check for pd_(alloc|free)_fn in blkcg_activate_policy() (diff) | |
| download | linux-d0e92795997c8dce7ec804791e359a93211f9719.tar.xz linux-d0e92795997c8dce7ec804791e359a93211f9719.zip | |
blk-ioprio: remove ioprio_blkcg_from_bio()
Currently, if config is enabled, then ioprio is always enabled by
default from blkcg_init_disk(), hence there is no point to check if
the policy is enabled from blkg in ioprio_blkcg_from_bio(). Hence remove
it and get blkcg directly from bio.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240719071506.158075-3-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-ioprio.c')
| -rw-r--r-- | block/blk-ioprio.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/block/blk-ioprio.c b/block/blk-ioprio.c index 4051fada01f1..ae52b418e984 100644 --- a/block/blk-ioprio.c +++ b/block/blk-ioprio.c @@ -84,16 +84,6 @@ ioprio_blkcg_from_css(struct cgroup_subsys_state *css) return blkcg_to_ioprio_blkcg(css_to_blkcg(css)); } -static struct ioprio_blkcg *ioprio_blkcg_from_bio(struct bio *bio) -{ - struct blkg_policy_data *pd = blkg_to_pd(bio->bi_blkg, &ioprio_policy); - - if (!pd) - return NULL; - - return blkcg_to_ioprio_blkcg(pd->blkg->blkcg); -} - static int ioprio_show_prio_policy(struct seq_file *sf, void *v) { struct ioprio_blkcg *blkcg = ioprio_blkcg_from_css(seq_css(sf)); @@ -186,7 +176,7 @@ static struct blkcg_policy ioprio_policy = { void blkcg_set_ioprio(struct bio *bio) { - struct ioprio_blkcg *blkcg = ioprio_blkcg_from_bio(bio); + struct ioprio_blkcg *blkcg = blkcg_to_ioprio_blkcg(bio->bi_blkg->blkcg); u16 prio; if (!blkcg || blkcg->prio_policy == POLICY_NO_CHANGE) |