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-rw-r--r--fs/btrfs/ctree.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 83a6a931af09..8627b7f26a60 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1181,8 +1181,10 @@ struct btrfs_root {
u64 highest_objectid;
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
/* only used with CONFIG_BTRFS_FS_RUN_SANITY_TESTS is enabled */
u64 alloc_bytenr;
+#endif
u64 defrag_trans_start;
struct btrfs_key defrag_progress;