1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0+ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2018 Oracle. All Rights Reserved. 4*4882a593Smuzhiyun * Author: Darrick J. Wong <darrick.wong@oracle.com> 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun #ifndef __XFS_SCRUB_BITMAP_H__ 7*4882a593Smuzhiyun #define __XFS_SCRUB_BITMAP_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun struct xbitmap_range { 10*4882a593Smuzhiyun struct list_head list; 11*4882a593Smuzhiyun uint64_t start; 12*4882a593Smuzhiyun uint64_t len; 13*4882a593Smuzhiyun }; 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun struct xbitmap { 16*4882a593Smuzhiyun struct list_head list; 17*4882a593Smuzhiyun }; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun void xbitmap_init(struct xbitmap *bitmap); 20*4882a593Smuzhiyun void xbitmap_destroy(struct xbitmap *bitmap); 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #define for_each_xbitmap_extent(bex, n, bitmap) \ 23*4882a593Smuzhiyun list_for_each_entry_safe((bex), (n), &(bitmap)->list, list) 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #define for_each_xbitmap_block(b, bex, n, bitmap) \ 26*4882a593Smuzhiyun list_for_each_entry_safe((bex), (n), &(bitmap)->list, list) \ 27*4882a593Smuzhiyun for ((b) = (bex)->start; (b) < (bex)->start + (bex)->len; (b)++) 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun int xbitmap_set(struct xbitmap *bitmap, uint64_t start, uint64_t len); 30*4882a593Smuzhiyun int xbitmap_disunion(struct xbitmap *bitmap, struct xbitmap *sub); 31*4882a593Smuzhiyun int xbitmap_set_btcur_path(struct xbitmap *bitmap, 32*4882a593Smuzhiyun struct xfs_btree_cur *cur); 33*4882a593Smuzhiyun int xbitmap_set_btblocks(struct xbitmap *bitmap, 34*4882a593Smuzhiyun struct xfs_btree_cur *cur); 35*4882a593Smuzhiyun uint64_t xbitmap_hweight(struct xbitmap *bitmap); 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #endif /* __XFS_SCRUB_BITMAP_H__ */ 38