blk-cgroup: Remove unused declaration blkg_path()

Commit bb7e5a193d8b ("block, bfq: remove blkg_path()") removed the
implementation but leave declaration.

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20240816095821.877842-1-yuehaibing@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 864fad4a850bb6b4b19c613ed40b6ec9e61ac714..b9e3265c1eb3072c07e1c469f242c9e3e50f3ba4 100644 (file)
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -485,7 +485,6 @@ static inline void blkcg_deactivate_policy(struct gendisk *disk,
 static inline struct blkg_policy_data *blkg_to_pd(struct blkcg_gq *blkg,
                                                  struct blkcg_policy *pol) { return NULL; }
 static inline struct blkcg_gq *pd_to_blkg(struct blkg_policy_data *pd) { return NULL; }
-static inline char *blkg_path(struct blkcg_gq *blkg) { return NULL; }
 static inline void blkg_get(struct blkcg_gq *blkg) { }
 static inline void blkg_put(struct blkcg_gq *blkg) { }
 static inline void blkcg_bio_issue_init(struct bio *bio) { }