From 9b0eb69b75bccada2d341d7e7ca342f0cb1c9a6a Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 27 Jun 2019 13:39:48 -0700 Subject: cgroup, blkcg: Prepare some symbols for module and !CONFIG_CGROUP usages btrfs is going to use css_put() and wbc helpers to improve cgroup writeback support. Add dummy css_get() definition and export wbc helpers to prepare for module and !CONFIG_CGROUP builds. Reported-by: kbuild test robot Reviewed-by: Jan Kara Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/blk-cgroup.c | 1 + 1 file changed, 1 insertion(+) (limited to 'block') diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 8afa52b0d148..ad7a91dec934 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -48,6 +48,7 @@ struct blkcg blkcg_root; EXPORT_SYMBOL_GPL(blkcg_root); struct cgroup_subsys_state * const blkcg_root_css = &blkcg_root.css; +EXPORT_SYMBOL_GPL(blkcg_root_css); static struct blkcg_policy *blkcg_policy[BLKCG_MAX_POLS]; -- cgit v1.2.3