xref: /linux/fs/xfs/scrub/dabtree.h (revision 4b132aacb0768ac1e652cf517097ea6f237214b9)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (C) 2017-2023 Oracle.  All Rights Reserved.
4  * Author: Darrick J. Wong <djwong@kernel.org>
5  */
6 #ifndef __XFS_SCRUB_DABTREE_H__
7 #define __XFS_SCRUB_DABTREE_H__
8 
9 /* dir/attr btree */
10 
11 struct xchk_da_btree {
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;
16 	struct xfs_scrub	*sc;
17 	void			*private;
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 	 */
25 	xfs_dablk_t		lowest;
26 	xfs_dablk_t		highest;
27 
28 	int			tree_level;
29 };
30 
31 typedef int (*xchk_da_btree_rec_fn)(struct xchk_da_btree *ds, int level);
32 
33 /* Check for da btree operation errors. */
34 bool xchk_da_process_error(struct xchk_da_btree *ds, int level, int *error);
35 
36 /* Check for da btree corruption. */
37 void xchk_da_set_corrupt(struct xchk_da_btree *ds, int level);
38 void xchk_da_set_preen(struct xchk_da_btree *ds, int level);
39 
40 void xchk_da_set_preen(struct xchk_da_btree *ds, int level);
41 
42 int xchk_da_btree_hash(struct xchk_da_btree *ds, int level, __be32 *hashp);
43 int xchk_da_btree(struct xfs_scrub *sc, int whichfork,
44 		xchk_da_btree_rec_fn scrub_fn, void *private);
45 
46 #endif /* __XFS_SCRUB_DABTREE_H__ */
47