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authorIngo Molnar <mingo@elte.hu>2010-03-15 10:17:33 +0300
committerIngo Molnar <mingo@elte.hu>2010-03-15 10:17:33 +0300
commit12b8aeee3e51654fb95a3baff2e093f2513bb87d (patch)
tree73f78d62591b197cd53747e36a2f3d707b79a50b /block/blk-cgroup.h
parent25268498c9e07870323aead10751b7c6e99a3a78 (diff)
parenta3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff)
downloadlinux-12b8aeee3e51654fb95a3baff2e093f2513bb87d.tar.xz
Merge branch 'linus' into timers/core
Conflicts: Documentation/feature-removal-schedule.txt Merge reason: Resolve the conflict, update to upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'block/blk-cgroup.h')
-rw-r--r--block/blk-cgroup.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 84bf745fa775..8ccc20464dae 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -15,7 +15,13 @@
#include <linux/cgroup.h>
-#ifdef CONFIG_BLK_CGROUP
+#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
+
+#ifndef CONFIG_BLK_CGROUP
+/* When blk-cgroup is a module, its subsys_id isn't a compile-time constant */
+extern struct cgroup_subsys blkio_subsys;
+#define blkio_subsys_id blkio_subsys.subsys_id
+#endif
struct blkio_cgroup {
struct cgroup_subsys_state css;
@@ -91,7 +97,7 @@ static inline void blkiocg_update_blkio_group_dequeue_stats(
struct blkio_group *blkg, unsigned long dequeue) {}
#endif
-#ifdef CONFIG_BLK_CGROUP
+#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
extern struct blkio_cgroup blkio_root_cgroup;
extern struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup);
extern void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,