btrfs: move checks for DUMMY_ROOT into a helper

[deliverable/linux.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index bae025a20e63a6bc98fb76595a89f005a81bd340..557fd9520607c475531fd30e0f6c47361e1997a9 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -4131,4 +4131,13 @@ int btrfs_verify_qgroup_counts(struct btrfs_fs_info *fs_info, u64 qgroupid,
                               u64 rfer, u64 excl);
 #endif
 
+static inline int btrfs_test_is_dummy_root(struct btrfs_root *root)
+{
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+       if (unlikely(test_bit(BTRFS_ROOT_DUMMY_ROOT, &root->state)))
+               return 1;
+#endif
+       return 0;
+}
+
 #endif