btrfs: qgroup: Drop root parameter from update_qgroup_info_item

It can be fetched from the transaction handle.

Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 44e1462..f4b25e0 100644 (file)
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -742,9 +742,10 @@ out:
 }
 
 static int update_qgroup_info_item(struct btrfs_trans_handle *trans,
-                                  struct btrfs_root *root,
                                   struct btrfs_qgroup *qgroup)
 {
+       struct btrfs_fs_info *fs_info = trans->fs_info;
+       struct btrfs_root *quota_root = fs_info->quota_root;
        struct btrfs_path *path;
        struct btrfs_key key;
        struct extent_buffer *l;
@@ -752,7 +753,7 @@ static int update_qgroup_info_item(struct btrfs_trans_handle *trans,
        int ret;
        int slot;
 
-       if (btrfs_is_testing(root->fs_info))
+       if (btrfs_is_testing(fs_info))
                return 0;
 
        key.objectid = 0;
@@ -763,7 +764,7 @@ static int update_qgroup_info_item(struct btrfs_trans_handle *trans,
        if (!path)
                return -ENOMEM;
 
-       ret = btrfs_search_slot(trans, root, &key, path, 0, 1);
+       ret = btrfs_search_slot(trans, quota_root, &key, path, 0, 1);
        if (ret > 0)
                ret = -ENOENT;
 
@@ -2210,7 +2211,7 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans,
                                          struct btrfs_qgroup, dirty);
                list_del_init(&qgroup->dirty);
                spin_unlock(&fs_info->qgroup_lock);
-               ret = update_qgroup_info_item(trans, quota_root, qgroup);
+               ret = update_qgroup_info_item(trans, qgroup);
                if (ret)
                        fs_info->qgroup_flags |=
                                        BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;