diff options
Diffstat (limited to 'block/blk-cgroup.h')
| -rw-r--r-- | block/blk-cgroup.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index b24ab71db82..257dc6a956b 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -15,6 +15,8 @@ #include <linux/cgroup.h> +#ifdef CONFIG_BLK_CGROUP + struct blkio_cgroup { struct cgroup_subsys_state css; unsigned int weight; @@ -41,6 +43,13 @@ struct blkio_group { unsigned long sectors; }; +#else + +struct blkio_group { +}; + +#endif + #define BLKIO_WEIGHT_MIN 100 #define BLKIO_WEIGHT_MAX 1000 #define BLKIO_WEIGHT_DEFAULT 500 @@ -69,6 +78,7 @@ extern struct blkio_group *blkiocg_lookup_group(struct blkio_cgroup *blkcg, void blkiocg_update_blkio_group_stats(struct blkio_group *blkg, unsigned long time, unsigned long sectors); #else +struct cgroup; static inline struct blkio_cgroup * cgroup_to_blkio_cgroup(struct cgroup *cgroup) { return NULL; } |