[PATCH 2/4] btrfs: tests: move testing members of struct btrfs_root to the end

[David Sterba]

The data used only for tests are better placed at the end of the
structure so that they don't change the structure layout. All new
members of btrfs_root should be placed before.

Signed-off-by: David Sterba <dste...@suse.com>
---
 fs/btrfs/ctree.h | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 45b7029d0f23..ee05857cc8ac 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1203,11 +1203,6 @@ 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;
        struct btrfs_key defrag_max;
@@ -1280,6 +1275,10 @@ struct btrfs_root {
        spinlock_t qgroup_meta_rsv_lock;
        u64 qgroup_meta_rsv_pertrans;
        u64 qgroup_meta_rsv_prealloc;
+
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+       u64 alloc_bytenr;
+#endif
 };
 
 struct btrfs_file_private {
-- 
2.18.0