fs/btrfs/qgroup.h

1 /* SPDX-License-Identifier: GPL-2.0 */
13 #include "delayed-ref.h"
28  *    - Newly allocated extents
29  *    - Extents going to be deleted (in this trans)
30  *    - Extents whose owner is going to be modified
61  * 1) Record the subtree root block get swapped.
73  *   In this case, NA and OA are going to be swapped, record (NA, OA) into
100  *     modification to the swapped subtrees, no need to trigger heavy qgroup
154  * 	Space reserved for metadata (per-transaction)
180  * *currently* meta is just reserve-and-clear during transaction.
183  * Current metadata reservation behavior is not suitable for such case.
190  * one struct for each qgroup, organized in fs_info->qgroup_tree.
249 	return (qgroupid & ((1ULL << BTRFS_QGROUP_LEVEL_SHIFT) - 1));  in btrfs_qgroup_subvolid()
288  * Error is not possible
314  * transaction committing, but not now as qgroup accounting will be wrong again.
404 /* Free per-transaction meta reservation for error handling */
412 /* Pre-allocated meta reservation can be freed at need */
421  * Per-transaction meta reservation should be all freed at transaction commit