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Diffstat (limited to 'fs/btrfs/qgroup.c')
-rw-r--r--fs/btrfs/qgroup.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 09b8cc8..73f706c 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -246,6 +246,21 @@ static int del_relation_rb(struct btrfs_fs_info *fs_info,
return -ENOENT;
}
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+int btrfs_verify_qgroup_counts(struct btrfs_fs_info *fs_info, u64 qgroupid,
+ u64 rfer, u64 excl)
+{
+ struct btrfs_qgroup *qgroup;
+
+ qgroup = find_qgroup_rb(fs_info, qgroupid);
+ if (!qgroup)
+ return -EINVAL;
+ if (qgroup->rfer != rfer || qgroup->excl != excl)
+ return -EINVAL;
+ return 0;
+}
+#endif
+
/*
* The full config is read in one go, only called from open_ctree()
* It doesn't use any locking, as at this point we're still single-threaded
@@ -524,6 +539,10 @@ static int add_qgroup_item(struct btrfs_trans_handle *trans,
struct extent_buffer *leaf;
struct btrfs_key key;
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+ if (unlikely(test_bit(BTRFS_ROOT_DUMMY_ROOT, &quota_root->state)))
+ return 0;
+#endif
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;
@@ -673,6 +692,10 @@ static int update_qgroup_info_item(struct btrfs_trans_handle *trans,
int ret;
int slot;
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+ if (unlikely(test_bit(BTRFS_ROOT_DUMMY_ROOT, &root->state)))
+ return 0;
+#endif
key.objectid = 0;
key.type = BTRFS_QGROUP_INFO_KEY;
key.offset = qgroup->qgroupid;