Provide stubs for blkcg_set_fc_appid() and blkcg_get_fc_appid() to allow for compilation with cgroups disabled. Fixes: db05628435aa ("blk-cgroup: move blkcg_{get,set}_fc_appid out of line") Signed-off-by: Hannes Reinecke <hare@xxxxxxx> --- include/linux/blk-cgroup.h | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index 9f40dbc65f82..4756f4d2b8e7 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -33,6 +33,9 @@ void blkcg_unpin_online(struct cgroup_subsys_state *blkcg_css); struct list_head *blkcg_get_cgwb_list(struct cgroup_subsys_state *css); struct cgroup_subsys_state *bio_blkcg_css(struct bio *bio); +int blkcg_set_fc_appid(char *app_id, u64 cgrp_id, size_t app_id_len); +char *blkcg_get_fc_appid(struct bio *bio); + #else /* CONFIG_BLK_CGROUP */ #define blkcg_root_css ((struct cgroup_subsys_state *)ERR_PTR(-EINVAL)) @@ -44,9 +47,15 @@ static inline struct cgroup_subsys_state *bio_blkcg_css(struct bio *bio) { return NULL; } +static inline int blkcg_set_fc_appid(char *app_id, u64 cgrp_id, + size_t app_id_len) +{ + return -EINVAL; +} +static inline char *blkcg_get_fc_appid(struct bio *bio) +{ + return NULL; +} #endif /* CONFIG_BLK_CGROUP */ -int blkcg_set_fc_appid(char *app_id, u64 cgrp_id, size_t app_id_len); -char *blkcg_get_fc_appid(struct bio *bio); - #endif /* _BLK_CGROUP_H */ -- 2.29.2