1// SPDX-License-Identifier: GPL-2.0+
 2/*
 3 * Copyright (C) 2018 Oracle.  All Rights Reserved.
 4 * Author: Darrick J. Wong <darrick.wong@oracle.com>
 5 */
 6#ifndef __XFS_SCRUB_BITMAP_H__
 7#define __XFS_SCRUB_BITMAP_H__
 8
 9struct xfs_bitmap_range {
10	struct list_head	list;
11	uint64_t		start;
12	uint64_t		len;
13};
14
15struct xfs_bitmap {
16	struct list_head	list;
17};
18
19void xfs_bitmap_init(struct xfs_bitmap *bitmap);
20void xfs_bitmap_destroy(struct xfs_bitmap *bitmap);
21
22#define for_each_xfs_bitmap_extent(bex, n, bitmap) \
23	list_for_each_entry_safe((bex), (n), &(bitmap)->list, list)
24
25#define for_each_xfs_bitmap_block(b, bex, n, bitmap) \
26	list_for_each_entry_safe((bex), (n), &(bitmap)->list, list) \
27		for ((b) = bex->start; (b) < bex->start + bex->len; (b)++)
28
29int xfs_bitmap_set(struct xfs_bitmap *bitmap, uint64_t start, uint64_t len);
30int xfs_bitmap_disunion(struct xfs_bitmap *bitmap, struct xfs_bitmap *sub);
31int xfs_bitmap_set_btcur_path(struct xfs_bitmap *bitmap,
32		struct xfs_btree_cur *cur);
33int xfs_bitmap_set_btblocks(struct xfs_bitmap *bitmap,
34		struct xfs_btree_cur *cur);
35
36#endif	/* __XFS_SCRUB_BITMAP_H__ */