| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright (C) 2017 Oracle. All Rights Reserved. |
| 4 | * Author: Darrick J. Wong <darrick.wong@oracle.com> |
| 5 | */ |
| 6 | #ifndef __XFS_SCRUB_BTREE_H__ |
| 7 | #define __XFS_SCRUB_BTREE_H__ |
| 8 | |
| 9 | /* btree scrub */ |
| 10 | |
| 11 | /* Check for btree operation errors. */ |
| 12 | bool xchk_btree_process_error(struct xfs_scrub *sc, |
| 13 | struct xfs_btree_cur *cur, int level, int *error); |
| 14 | |
| 15 | /* Check for btree xref operation errors. */ |
| 16 | bool xchk_btree_xref_process_error(struct xfs_scrub *sc, |
| 17 | struct xfs_btree_cur *cur, int level, int *error); |
| 18 | |
| 19 | /* Check for btree corruption. */ |
| 20 | void xchk_btree_set_corrupt(struct xfs_scrub *sc, |
| 21 | struct xfs_btree_cur *cur, int level); |
| 22 | |
| 23 | /* Check for btree xref discrepancies. */ |
| 24 | void xchk_btree_xref_set_corrupt(struct xfs_scrub *sc, |
| 25 | struct xfs_btree_cur *cur, int level); |
| 26 | |
| 27 | struct xchk_btree; |
| 28 | typedef int (*xchk_btree_rec_fn)( |
| 29 | struct xchk_btree *bs, |
| 30 | union xfs_btree_rec *rec); |
| 31 | |
| 32 | struct xchk_btree { |
| 33 | /* caller-provided scrub state */ |
| 34 | struct xfs_scrub *sc; |
| 35 | struct xfs_btree_cur *cur; |
| 36 | xchk_btree_rec_fn scrub_rec; |
| 37 | struct xfs_owner_info *oinfo; |
| 38 | void *private; |
| 39 | |
| 40 | /* internal scrub state */ |
| 41 | union xfs_btree_rec lastrec; |
| 42 | bool firstrec; |
| 43 | union xfs_btree_key lastkey[XFS_BTREE_MAXLEVELS]; |
| 44 | bool firstkey[XFS_BTREE_MAXLEVELS]; |
| 45 | struct list_head to_check; |
| 46 | }; |
| 47 | int xchk_btree(struct xfs_scrub *sc, struct xfs_btree_cur *cur, |
| 48 | xchk_btree_rec_fn scrub_fn, struct xfs_owner_info *oinfo, |
| 49 | void *private); |
| 50 | |
| 51 | #endif /* __XFS_SCRUB_BTREE_H__ */ |