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-rw-r--r--block/blk-cgroup.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 257dc6a956b6..4f89b967467f 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -43,6 +43,9 @@ struct blkio_group {
unsigned long sectors;
};
+extern bool blkiocg_css_tryget(struct blkio_cgroup *blkcg);
+extern void blkiocg_css_put(struct blkio_cgroup *blkcg);
+
#else
struct blkio_group {