diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-02-03 16:03:59 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-02-03 08:20:05 -0700 |
| commit | 479664cee14d8452d3d76f8d0b7fccd0cbe4ed49 (patch) | |
| tree | f0d6272a3076166c34f17b2e3c92fb0024e28b31 /block/blk-cgroup.h | |
| parent | 0a0b4f79db2e6e745672aa3852cf5fdf7af14a0f (diff) | |
blk-cgroup: pass a gendisk to blkg_lookup
Pass a gendisk to blkg_lookup and use that to find the match as part
of phasing out usage of the request_queue in the blk-cgroup code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andreas Herrmann <aherrmann@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230203150400.3199230-19-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-cgroup.h')
| -rw-r--r-- | block/blk-cgroup.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 3d9e42c519db..151f24de2539 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -234,30 +234,30 @@ static inline bool bio_issue_as_root_blkg(struct bio *bio) } /** - * blkg_lookup - lookup blkg for the specified blkcg - q pair + * blkg_lookup - lookup blkg for the specified blkcg - disk pair * @blkcg: blkcg of interest - * @q: request_queue of interest + * @disk: gendisk of interest * - * Lookup blkg for the @blkcg - @q pair. + * Lookup blkg for the @blkcg - @disk pair. * Must be called in a RCU critical section. */ static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg, - struct request_queue *q) + struct gendisk *disk) { struct blkcg_gq *blkg; WARN_ON_ONCE(!rcu_read_lock_held()); if (blkcg == &blkcg_root) - return q->root_blkg; + return disk->queue->root_blkg; blkg = rcu_dereference(blkcg->blkg_hint); - if (blkg && blkg->disk->queue == q) + if (blkg && blkg->disk == disk) return blkg; - blkg = radix_tree_lookup(&blkcg->blkg_tree, q->id); - if (blkg && blkg->disk->queue != q) + blkg = radix_tree_lookup(&blkcg->blkg_tree, disk->queue->id); + if (blkg && blkg->disk != disk) blkg = NULL; return blkg; } @@ -357,7 +357,7 @@ static inline void blkg_put(struct blkcg_gq *blkg) #define blkg_for_each_descendant_pre(d_blkg, pos_css, p_blkg) \ css_for_each_descendant_pre((pos_css), &(p_blkg)->blkcg->css) \ if (((d_blkg) = blkg_lookup(css_to_blkcg(pos_css), \ - (p_blkg)->disk->queue))) + (p_blkg)->disk))) /** * blkg_for_each_descendant_post - post-order walk of a blkg's descendants @@ -372,7 +372,7 @@ static inline void blkg_put(struct blkcg_gq *blkg) #define blkg_for_each_descendant_post(d_blkg, pos_css, p_blkg) \ css_for_each_descendant_post((pos_css), &(p_blkg)->blkcg->css) \ if (((d_blkg) = blkg_lookup(css_to_blkcg(pos_css), \ - (p_blkg)->disk->queue))) + (p_blkg)->disk))) bool __blkcg_punt_bio_submit(struct bio *bio); |