[mirror_ubuntu-jammy-kernel.git] / fs / xfs / scrub / dabtree.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_DABTREE_H__
#define __XFS_SCRUB_DABTREE_H__

/* dir/attr btree */

struct xchk_da_btree {
	struct xfs_da_args	dargs;
	xfs_dahash_t		hashes[XFS_DA_NODE_MAXDEPTH];
	int			maxrecs[XFS_DA_NODE_MAXDEPTH];
	struct xfs_da_state	*state;
	struct xfs_scrub	*sc;
	void			*private;

	/*
	 * Lowest and highest directory block address in which we expect
	 * to find dir/attr btree node blocks.  For a directory this
	 * (presumably) means between LEAF_OFFSET and FREE_OFFSET; for
	 * attributes there is no limit.
	 */
	xfs_dablk_t		lowest;
	xfs_dablk_t		highest;

	int			tree_level;
};

typedef int (*xchk_da_btree_rec_fn)(struct xchk_da_btree *ds,
		int level, void *rec);

/* Check for da btree operation errors. */
bool xchk_da_process_error(struct xchk_da_btree *ds, int level, int *error);

/* Check for da btree corruption. */
void xchk_da_set_corrupt(struct xchk_da_btree *ds, int level);

int xchk_da_btree_hash(struct xchk_da_btree *ds, int level, __be32 *hashp);
int xchk_da_btree(struct xfs_scrub *sc, int whichfork,
		xchk_da_btree_rec_fn scrub_fn, void *private);

#endif /* __XFS_SCRUB_DABTREE_H__ */
Commit	Line	Data
0b61f8a4	1	// SPDX-License-Identifier: GPL-2.0+
7c4a07a4 DW	2	/*
7c4a07a4 DW	3	* Copyright (C) 2017 Oracle. All Rights Reserved.
7c4a07a4	4	* Author: Darrick J. Wong <darrick.wong@oracle.com>
7c4a07a4 DW	5	*/
	6	#ifndef __XFS_SCRUB_DABTREE_H__
	7	#define __XFS_SCRUB_DABTREE_H__
	8
	9	/* dir/attr btree */
	10
c517b3aa	11	struct xchk_da_btree {
032d91f9 DW	12	struct xfs_da_args dargs;
	13	xfs_dahash_t hashes[XFS_DA_NODE_MAXDEPTH];
	14	int maxrecs[XFS_DA_NODE_MAXDEPTH];
	15	struct xfs_da_state *state;
1d8a748a	16	struct xfs_scrub *sc;
032d91f9	17	void *private;
7c4a07a4 DW	18
	19	/*
	20	* Lowest and highest directory block address in which we expect
	21	* to find dir/attr btree node blocks. For a directory this
	22	* (presumably) means between LEAF_OFFSET and FREE_OFFSET; for
	23	* attributes there is no limit.
	24	*/
032d91f9 DW	25	xfs_dablk_t lowest;
032d91f9 DW	26	xfs_dablk_t highest;
7c4a07a4	27
032d91f9	28	int tree_level;
7c4a07a4 DW	29	};
7c4a07a4 DW	30
c517b3aa	31	typedef int (xchk_da_btree_rec_fn)(struct xchk_da_btree ds,
7c4a07a4 DW	32	int level, void *rec);
	33
	34	/* Check for da btree operation errors. */
c517b3aa	35	bool xchk_da_process_error(struct xchk_da_btree ds, int level, int error);
7c4a07a4 DW	36
7c4a07a4 DW	37	/* Check for da btree corruption. */
c517b3aa	38	void xchk_da_set_corrupt(struct xchk_da_btree *ds, int level);
7c4a07a4	39
032d91f9	40	int xchk_da_btree_hash(struct xchk_da_btree ds, int level, __be32 hashp);
1d8a748a	41	int xchk_da_btree(struct xfs_scrub *sc, int whichfork,
032d91f9	42	xchk_da_btree_rec_fn scrub_fn, void *private);
7c4a07a4 DW	43
7c4a07a4 DW	44	#endif /* __XFS_SCRUB_DABTREE_H__ */