1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0+ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2017 Oracle. All Rights Reserved. 4*4882a593Smuzhiyun * Author: Darrick J. Wong <darrick.wong@oracle.com> 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun #ifndef __XFS_SCRUB_BTREE_H__ 7*4882a593Smuzhiyun #define __XFS_SCRUB_BTREE_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* btree scrub */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /* Check for btree operation errors. */ 12*4882a593Smuzhiyun bool xchk_btree_process_error(struct xfs_scrub *sc, 13*4882a593Smuzhiyun struct xfs_btree_cur *cur, int level, int *error); 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* Check for btree xref operation errors. */ 16*4882a593Smuzhiyun bool xchk_btree_xref_process_error(struct xfs_scrub *sc, 17*4882a593Smuzhiyun struct xfs_btree_cur *cur, int level, int *error); 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* Check for btree corruption. */ 20*4882a593Smuzhiyun void xchk_btree_set_corrupt(struct xfs_scrub *sc, 21*4882a593Smuzhiyun struct xfs_btree_cur *cur, int level); 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* Check for btree xref discrepancies. */ 24*4882a593Smuzhiyun void xchk_btree_xref_set_corrupt(struct xfs_scrub *sc, 25*4882a593Smuzhiyun struct xfs_btree_cur *cur, int level); 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun struct xchk_btree; 28*4882a593Smuzhiyun typedef int (*xchk_btree_rec_fn)( 29*4882a593Smuzhiyun struct xchk_btree *bs, 30*4882a593Smuzhiyun union xfs_btree_rec *rec); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun struct xchk_btree { 33*4882a593Smuzhiyun /* caller-provided scrub state */ 34*4882a593Smuzhiyun struct xfs_scrub *sc; 35*4882a593Smuzhiyun struct xfs_btree_cur *cur; 36*4882a593Smuzhiyun xchk_btree_rec_fn scrub_rec; 37*4882a593Smuzhiyun const struct xfs_owner_info *oinfo; 38*4882a593Smuzhiyun void *private; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* internal scrub state */ 41*4882a593Smuzhiyun union xfs_btree_rec lastrec; 42*4882a593Smuzhiyun bool firstrec; 43*4882a593Smuzhiyun union xfs_btree_key lastkey[XFS_BTREE_MAXLEVELS]; 44*4882a593Smuzhiyun bool firstkey[XFS_BTREE_MAXLEVELS]; 45*4882a593Smuzhiyun struct list_head to_check; 46*4882a593Smuzhiyun }; 47*4882a593Smuzhiyun int xchk_btree(struct xfs_scrub *sc, struct xfs_btree_cur *cur, 48*4882a593Smuzhiyun xchk_btree_rec_fn scrub_fn, const struct xfs_owner_info *oinfo, 49*4882a593Smuzhiyun void *private); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #endif /* __XFS_SCRUB_BTREE_H__ */ 52