diff options
Diffstat (limited to 'fs/btrfs/qgroup.c')
| -rw-r--r-- | fs/btrfs/qgroup.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 3c77f3506faf..029017afaf34 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -3295,9 +3295,15 @@ static int qgroup_snapshot_quick_inherit(struct btrfs_fs_info *fs_info, { struct btrfs_qgroup *src; struct btrfs_qgroup *parent; + struct btrfs_qgroup *qgroup; struct btrfs_qgroup_list *list; + LIST_HEAD(qgroup_list); + const u32 nodesize = fs_info->nodesize; int nr_parents = 0; + if (btrfs_qgroup_mode(fs_info) != BTRFS_QGROUP_MODE_FULL) + return 0; + src = find_qgroup_rb(fs_info, srcid); if (!src) return -ENOENT; @@ -3332,8 +3338,19 @@ static int qgroup_snapshot_quick_inherit(struct btrfs_fs_info *fs_info, if (parent->excl != parent->rfer) return 1; - parent->excl += fs_info->nodesize; - parent->rfer += fs_info->nodesize; + qgroup_iterator_add(&qgroup_list, parent); + list_for_each_entry(qgroup, &qgroup_list, iterator) { + qgroup->rfer += nodesize; + qgroup->rfer_cmpr += nodesize; + qgroup->excl += nodesize; + qgroup->excl_cmpr += nodesize; + qgroup_dirty(fs_info, qgroup); + + /* Append parent qgroups to @qgroup_list. */ + list_for_each_entry(list, &qgroup->groups, next_group) + qgroup_iterator_add(&qgroup_list, list->group); + } + qgroup_iterator_clean(&qgroup_list); return 0; } |