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authorChristoph Hellwig <hch@lst.de>2023-02-14 19:33:07 +0100
committerJens Axboe <axboe@kernel.dk>2023-02-14 14:24:09 -0700
commit9a9c261e6b5512e0b8d9ae9b1c1746c743a15a48 (patch)
treee9e77c307203e2407ca881ba14b900ad19c60628 /block/blk-cgroup.h
parentb6553bef8cdc2983943f60edb8dc5e49361ebb3b (diff)
Revert "blk-cgroup: pass a gendisk to blkg_lookup"
This reverts commit 821e840c08ad83736eced4037cdad864e95e2584. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20230214183308.1658775-5-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-cgroup.h')
-rw-r--r--block/blk-cgroup.h20
1 files changed, 10 insertions, 10 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 151f24de2539..3d9e42c519db 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 - disk pair
+ * blkg_lookup - lookup blkg for the specified blkcg - q pair
* @blkcg: blkcg of interest
- * @disk: gendisk of interest
+ * @q: request_queue of interest
*
- * Lookup blkg for the @blkcg - @disk pair.
+ * Lookup blkg for the @blkcg - @q pair.
* Must be called in a RCU critical section.
*/
static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg,
- struct gendisk *disk)
+ struct request_queue *q)
{
struct blkcg_gq *blkg;
WARN_ON_ONCE(!rcu_read_lock_held());
if (blkcg == &blkcg_root)
- return disk->queue->root_blkg;
+ return q->root_blkg;
blkg = rcu_dereference(blkcg->blkg_hint);
- if (blkg && blkg->disk == disk)
+ if (blkg && blkg->disk->queue == q)
return blkg;
- blkg = radix_tree_lookup(&blkcg->blkg_tree, disk->queue->id);
- if (blkg && blkg->disk != disk)
+ blkg = radix_tree_lookup(&blkcg->blkg_tree, q->id);
+ if (blkg && blkg->disk->queue != q)
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)))
+ (p_blkg)->disk->queue)))
/**
* 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)))
+ (p_blkg)->disk->queue)))
bool __blkcg_punt_bio_submit(struct bio *bio);