[mirror_ubuntu-jammy-kernel.git] / fs / xfs / scrub / btree.h

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2017 Oracle.  All Rights Reserved.
 * Author: Darrick J. Wong <darrick.wong@oracle.com>
 */
#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__ */
Commit	Line	Data
0b61f8a4	1	// SPDX-License-Identifier: GPL-2.0+
537964bc DW	2	/*
537964bc DW	3	* Copyright (C) 2017 Oracle. All Rights Reserved.
537964bc	4	* Author: Darrick J. Wong <darrick.wong@oracle.com>
537964bc DW	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 xfs_scrub_btree_process_error(struct xfs_scrub_context *sc,
	13	struct xfs_btree_cur cur, int level, int error);
	14
64b12563 DW	15	/* Check for btree xref operation errors. */
	16	bool xfs_scrub_btree_xref_process_error(struct xfs_scrub_context *sc,
	17	struct xfs_btree_cur *cur, int level,
	18	int *error);
	19
537964bc DW	20	/* Check for btree corruption. */
	21	void xfs_scrub_btree_set_corrupt(struct xfs_scrub_context *sc,
	22	struct xfs_btree_cur *cur, int level);
	23
64b12563 DW	24	/* Check for btree xref discrepancies. */
	25	void xfs_scrub_btree_xref_set_corrupt(struct xfs_scrub_context *sc,
	26	struct xfs_btree_cur *cur, int level);
	27
537964bc DW	28	struct xfs_scrub_btree;
	29	typedef int (*xfs_scrub_btree_rec_fn)(
	30	struct xfs_scrub_btree *bs,
	31	union xfs_btree_rec *rec);
	32
	33	struct xfs_scrub_btree {
	34	/* caller-provided scrub state */
	35	struct xfs_scrub_context *sc;
	36	struct xfs_btree_cur *cur;
	37	xfs_scrub_btree_rec_fn scrub_rec;
	38	struct xfs_owner_info *oinfo;
	39	void *private;
	40
	41	/* internal scrub state */
	42	union xfs_btree_rec lastrec;
	43	bool firstrec;
	44	union xfs_btree_key lastkey[XFS_BTREE_MAXLEVELS];
	45	bool firstkey[XFS_BTREE_MAXLEVELS];
	46	struct list_head to_check;
	47	};
	48	int xfs_scrub_btree(struct xfs_scrub_context sc, struct xfs_btree_cur cur,
	49	xfs_scrub_btree_rec_fn scrub_fn,
	50	struct xfs_owner_info oinfo, void private);
	51
	52	#endif /* __XFS_SCRUB_BTREE_H__ */