From 659b3394eb67a5e274d7e7348633b508510a5c8f Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 20 Apr 2017 09:37:05 -0600 Subject: [PATCH] bfq: fix compile error if CONFIG_CGROUPS=n If we don't have CGROUPS enabled, the compile ends in the following misery: In file included from ../block/bfq-iosched.c:105:0: ../block/bfq-iosched.h:819:22: error: array type has incomplete element type extern struct cftype bfq_blkcg_legacy_files[]; ^ ../block/bfq-iosched.h:820:22: error: array type has incomplete element type extern struct cftype bfq_blkg_files[]; ^ Move the declarations under the right ifdef. Reported-by: Randy Dunlap Signed-off-by: Jens Axboe --- block/bfq-iosched.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h index 4ce7915e8d84..ae783c06dfd9 100644 --- a/block/bfq-iosched.h +++ b/block/bfq-iosched.h @@ -816,9 +816,6 @@ void bfq_put_async_queues(struct bfq_data *bfqd, struct bfq_group *bfqg); /* ---------------- cgroups-support interface ---------------- */ -extern struct cftype bfq_blkcg_legacy_files[]; -extern struct cftype bfq_blkg_files[]; - void bfqg_stats_update_io_add(struct bfq_group *bfqg, struct bfq_queue *bfqq, unsigned int op); void bfqg_stats_update_io_remove(struct bfq_group *bfqg, unsigned int op); @@ -844,6 +841,8 @@ struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node); void bfqg_put(struct bfq_group *bfqg); #ifdef CONFIG_BFQ_GROUP_IOSCHED +extern struct cftype bfq_blkcg_legacy_files[]; +extern struct cftype bfq_blkg_files[]; extern struct blkcg_policy blkcg_policy_bfq; #endif -- 2.20.1