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 9 struct xfs_bitmap_range { 10 struct list_head list; 11 uint64_t start; 12 uint64_t len; 13 }; 14 15 struct xfs_bitmap { 16 struct list_head list; 17 }; 18 19 void xfs_bitmap_init(struct xfs_bitmap *bitmap); 20 void 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 29 int xfs_bitmap_set(struct xfs_bitmap *bitmap, uint64_t start, uint64_t len); 30 int xfs_bitmap_disunion(struct xfs_bitmap *bitmap, struct xfs_bitmap *sub); 31 int xfs_bitmap_set_btcur_path(struct xfs_bitmap *bitmap, 32 struct xfs_btree_cur *cur); 33 int xfs_bitmap_set_btblocks(struct xfs_bitmap *bitmap, 34 struct xfs_btree_cur *cur); 35 36 #endif /* __XFS_SCRUB_BITMAP_H__ */ 37