btrfs: qgroup: Drop quota_root parameter from add_qgroup_relation_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 e0bd48c..4f523b7 100644 (file)
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -530,11 +530,11 @@ void btrfs_free_qgroup_config(struct btrfs_fs_info *fs_info)
        fs_info->qgroup_ulist = NULL;
 }
 
-static int add_qgroup_relation_item(struct btrfs_trans_handle *trans,
-                                   struct btrfs_root *quota_root,
-                                   u64 src, u64 dst)
+static int add_qgroup_relation_item(struct btrfs_trans_handle *trans, u64 src,
+                                   u64 dst)
 {
        int ret;
+       struct btrfs_root *quota_root = trans->fs_info->quota_root;
        struct btrfs_path *path;
        struct btrfs_key key;
 
@@ -1274,11 +1274,11 @@ int btrfs_add_qgroup_relation(struct btrfs_trans_handle *trans,
                }
        }
 
-       ret = add_qgroup_relation_item(trans, quota_root, src, dst);
+       ret = add_qgroup_relation_item(trans, src, dst);
        if (ret)
                goto out;
 
-       ret = add_qgroup_relation_item(trans, quota_root, dst, src);
+       ret = add_qgroup_relation_item(trans, dst, src);
        if (ret) {
                del_qgroup_relation_item(trans, quota_root, src, dst);
                goto out;
@@ -2295,12 +2295,12 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
                for (i = 0; i < inherit->num_qgroups; ++i, ++i_qgroups) {
                        if (*i_qgroups == 0)
                                continue;
-                       ret = add_qgroup_relation_item(trans, quota_root,
-                                                      objectid, *i_qgroups);
+                       ret = add_qgroup_relation_item(trans, objectid,
+                                                      *i_qgroups);
                        if (ret && ret != -EEXIST)
                                goto out;
-                       ret = add_qgroup_relation_item(trans, quota_root,
-                                                      *i_qgroups, objectid);
+                       ret = add_qgroup_relation_item(trans, *i_qgroups,
+                                                      objectid);
                        if (ret && ret != -EEXIST)
                                goto out;
                }