Release 4.18 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__ */
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Darrick J. Wong
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Dave Chinner
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Directory: fs/xfs/scrub

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