cgroup, blkcg: Prepare some symbols for module and !CONFIG_CGROUP usages
authorTejun Heo <tj@kernel.org>
Thu, 27 Jun 2019 20:39:48 +0000 (13:39 -0700)
committerJens Axboe <axboe@kernel.dk>
Wed, 10 Jul 2019 15:00:57 +0000 (09:00 -0600)
commit9b0eb69b75bccada2d341d7e7ca342f0cb1c9a6a
treefe6f801bf144743a3f9ac9c336602f855d35ac45
parentfd112c74652371a023f85d87b70bee7169e8f4d0
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 <lkp@intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-cgroup.c
fs/fs-writeback.c
include/linux/cgroup.h