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/*
* Copyright (C) 2017 Oracle. All Rights Reserved.
*
* Author: Darrick J. Wong <darrick.wong@oracle.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __XFS_SCRUB_BTREE_H__
#define __XFS_SCRUB_BTREE_H__
/* btree scrub */
/* Check for btree operation errors. */
bool xfs_scrub_btree_process_error(struct xfs_scrub_context *sc,
struct xfs_btree_cur *cur, int level, int *error);
/* Check for btree xref operation errors. */
bool xfs_scrub_btree_xref_process_error(struct xfs_scrub_context *sc,
struct xfs_btree_cur *cur, int level,
int *error);
/* Check for btree corruption. */
void xfs_scrub_btree_set_corrupt(struct xfs_scrub_context *sc,
struct xfs_btree_cur *cur, int level);
/* Check for btree xref discrepancies. */
void xfs_scrub_btree_xref_set_corrupt(struct xfs_scrub_context *sc,
struct xfs_btree_cur *cur, int level);
struct xfs_scrub_btree;
typedef int (*xfs_scrub_btree_rec_fn)(
struct xfs_scrub_btree *bs,
union xfs_btree_rec *rec);
struct xfs_scrub_btree {
/* caller-provided scrub state */
struct xfs_scrub_context *sc;
struct xfs_btree_cur *cur;
xfs_scrub_btree_rec_fn scrub_rec;
struct xfs_owner_info *oinfo;
void *private;
/* internal scrub state */
union xfs_btree_rec lastrec;
bool firstrec;
union xfs_btree_key lastkey[XFS_BTREE_MAXLEVELS];
bool firstkey[XFS_BTREE_MAXLEVELS];
struct list_head to_check;
};
int xfs_scrub_btree(struct xfs_scrub_context *sc, struct xfs_btree_cur *cur,
xfs_scrub_btree_rec_fn scrub_fn,
struct xfs_owner_info *oinfo, void *private);
#endif /* __XFS_SCRUB_BTREE_H__ */
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