cfq-iosched: fix compile problem with !CONFIG_CGROUP
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index b24ab71..257dc6a 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 @@
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 @@
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; }