// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2017-2023 Oracle. All Rights Reserved. * Author: Darrick J. Wong <djwong@kernel.org> */ #ifndef __XFS_SCRUB_BTREE_H__ #define __XFS_SCRUB_BTREE_H__ /* btree scrub */ /* Check for btree operation errors. */ bool xchk_btree_process_error(struct xfs_scrub *sc, struct xfs_btree_cur *cur, int level, int *error); /* Check for btree xref operation errors. */ bool xchk_btree_xref_process_error(struct xfs_scrub *sc, struct xfs_btree_cur *cur, int level, int *error); /* Check for btree corruption. */ void xchk_btree_set_corrupt(struct xfs_scrub *sc, struct xfs_btree_cur *cur, int level); void xchk_btree_set_preen(struct xfs_scrub *sc, struct xfs_btree_cur *cur, int level); /* Check for btree xref discrepancies. */ void xchk_btree_xref_set_corrupt(struct xfs_scrub *sc, struct xfs_btree_cur *cur, int level); struct xchk_btree; typedef int (*xchk_btree_rec_fn)( struct xchk_btree *bs, const union xfs_btree_rec *rec); struct xchk_btree_key { union xfs_btree_key key; bool valid; }; struct xchk_btree { /* caller-provided scrub state */ struct xfs_scrub *sc; struct xfs_btree_cur *cur; xchk_btree_rec_fn scrub_rec; const struct xfs_owner_info *oinfo; void *private; /* internal scrub state */ bool lastrec_valid; union xfs_btree_rec lastrec; struct list_head to_check; /* this element must come last! */ struct xchk_btree_key lastkey[]; }; /* * Calculate the size of a xchk_btree structure. There are nlevels-1 slots for * keys because we track leaf records separately in lastrec. */ static inline size_t xchk_btree_sizeof(unsigned int nlevels) { return struct_size_t(struct xchk_btree, lastkey, nlevels - 1); } int xchk_btree(struct xfs_scrub *sc, struct xfs_btree_cur *cur, xchk_btree_rec_fn scrub_fn, const struct xfs_owner_info *oinfo, void *private); #endif /* __XFS_SCRUB_BTREE_H__ */