diff options
| -rw-r--r-- | fs/btrfs/qgroup.c | 27 | ||||
| -rw-r--r-- | fs/btrfs/qgroup.h | 2 |
2 files changed, 29 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 55465d5d788e..7b18fff558ca 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1553,6 +1553,33 @@ int btrfs_qgroup_record_ref(struct btrfs_trans_handle *trans, return 0; } +int btrfs_qgroup_prepare_account_extents(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info) +{ + struct btrfs_qgroup_extent_record *record; + struct btrfs_delayed_ref_root *delayed_refs; + struct rb_node *node; + int ret = 0; + + delayed_refs = &trans->transaction->delayed_refs; + + /* + * No need to do lock, since this function will only be called in + * btrfs_commmit_transaction(). + */ + node = rb_first(&delayed_refs->dirty_extent_root); + while (node) { + record = rb_entry(node, struct btrfs_qgroup_extent_record, + node); + ret = btrfs_find_all_roots(NULL, fs_info, record->bytenr, 0, + &record->old_roots); + if (ret < 0) + break; + node = rb_next(node); + } + return ret; +} + struct btrfs_qgroup_extent_record *btrfs_qgroup_insert_dirty_extent(struct btrfs_delayed_ref_root *delayed_refs, struct btrfs_qgroup_extent_record *record) diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index e58155d0390c..6fe249f078ac 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -98,6 +98,8 @@ int btrfs_qgroup_record_ref(struct btrfs_trans_handle *trans, u64 bytenr, u64 num_bytes, enum btrfs_qgroup_operation_type type, int mod_seq); +int btrfs_qgroup_prepare_account_extents(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info); struct btrfs_qgroup_extent_record *btrfs_qgroup_insert_dirty_extent(struct btrfs_delayed_ref_root *delayed_refs, struct btrfs_qgroup_extent_record *record); |