1 /* 2 * Copyright (C) 2017 Oracle. All Rights Reserved. 3 * 4 * Author: Darrick J. Wong <darrick.wong@oracle.com> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 2 9 * of the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it would be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. 19 */ 20 #ifndef __XFS_SCRUB_BTREE_H__ 21 #define __XFS_SCRUB_BTREE_H__ 22 23 /* btree scrub */ 24 25 /* Check for btree operation errors. */ 26 bool xfs_scrub_btree_process_error(struct xfs_scrub_context *sc, 27 struct xfs_btree_cur *cur, int level, int *error); 28 29 /* Check for btree xref operation errors. */ 30 bool xfs_scrub_btree_xref_process_error(struct xfs_scrub_context *sc, 31 struct xfs_btree_cur *cur, int level, 32 int *error); 33 34 /* Check for btree corruption. */ 35 void xfs_scrub_btree_set_corrupt(struct xfs_scrub_context *sc, 36 struct xfs_btree_cur *cur, int level); 37 38 /* Check for btree xref discrepancies. */ 39 void xfs_scrub_btree_xref_set_corrupt(struct xfs_scrub_context *sc, 40 struct xfs_btree_cur *cur, int level); 41 42 struct xfs_scrub_btree; 43 typedef int (*xfs_scrub_btree_rec_fn)( 44 struct xfs_scrub_btree *bs, 45 union xfs_btree_rec *rec); 46 47 struct xfs_scrub_btree { 48 /* caller-provided scrub state */ 49 struct xfs_scrub_context *sc; 50 struct xfs_btree_cur *cur; 51 xfs_scrub_btree_rec_fn scrub_rec; 52 struct xfs_owner_info *oinfo; 53 void *private; 54 55 /* internal scrub state */ 56 union xfs_btree_rec lastrec; 57 bool firstrec; 58 union xfs_btree_key lastkey[XFS_BTREE_MAXLEVELS]; 59 bool firstkey[XFS_BTREE_MAXLEVELS]; 60 struct list_head to_check; 61 }; 62 int xfs_scrub_btree(struct xfs_scrub_context *sc, struct xfs_btree_cur *cur, 63 xfs_scrub_btree_rec_fn scrub_fn, 64 struct xfs_owner_info *oinfo, void *private); 65 66 #endif /* __XFS_SCRUB_BTREE_H__ */ 67