diff options
| -rw-r--r-- | fs/btrfs/qgroup.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 0a136c51a6ed..b2a73437dbad 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -4086,9 +4086,7 @@ static void qgroup_convert_meta(struct btrfs_fs_info *fs_info, u64 ref_root, int num_bytes) { struct btrfs_qgroup *qgroup; - struct ulist_node *unode; - struct ulist_iterator uiter; - int ret = 0; + LIST_HEAD(qgroup_list); if (num_bytes == 0) return; @@ -4099,31 +4097,21 @@ static void qgroup_convert_meta(struct btrfs_fs_info *fs_info, u64 ref_root, qgroup = find_qgroup_rb(fs_info, ref_root); if (!qgroup) goto out; - ulist_reinit(fs_info->qgroup_ulist); - ret = ulist_add(fs_info->qgroup_ulist, qgroup->qgroupid, - qgroup_to_aux(qgroup), GFP_ATOMIC); - if (ret < 0) - goto out; - ULIST_ITER_INIT(&uiter); - while ((unode = ulist_next(fs_info->qgroup_ulist, &uiter))) { - struct btrfs_qgroup *qg; - struct btrfs_qgroup_list *glist; - qg = unode_aux_to_qgroup(unode); + qgroup_iterator_add(&qgroup_list, qgroup); + list_for_each_entry(qgroup, &qgroup_list, iterator) { + struct btrfs_qgroup_list *glist; - qgroup_rsv_release(fs_info, qg, num_bytes, + qgroup_rsv_release(fs_info, qgroup, num_bytes, BTRFS_QGROUP_RSV_META_PREALLOC); - qgroup_rsv_add(fs_info, qg, num_bytes, + qgroup_rsv_add(fs_info, qgroup, num_bytes, BTRFS_QGROUP_RSV_META_PERTRANS); - list_for_each_entry(glist, &qg->groups, next_group) { - ret = ulist_add(fs_info->qgroup_ulist, - glist->group->qgroupid, - qgroup_to_aux(glist->group), GFP_ATOMIC); - if (ret < 0) - goto out; - } + + list_for_each_entry(glist, &qgroup->groups, next_group) + qgroup_iterator_add(&qgroup_list, glist->group); } out: + qgroup_iterator_clean(&qgroup_list); spin_unlock(&fs_info->qgroup_lock); } |