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40190f9f91
Empty xattr leaf blocks at offset zero are a waste of space but otherwise harmless. If we encounter one, flag it as an opportunity for optimization. If we encounter empty attr leaf blocks anywhere else in the attr fork, that's corruption. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2017-2023 Oracle. All Rights Reserved.
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* Author: Darrick J. Wong <djwong@kernel.org>
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*/
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#ifndef __XFS_SCRUB_DABTREE_H__
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#define __XFS_SCRUB_DABTREE_H__
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/* dir/attr btree */
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struct xchk_da_btree {
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struct xfs_da_args dargs;
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xfs_dahash_t hashes[XFS_DA_NODE_MAXDEPTH];
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int maxrecs[XFS_DA_NODE_MAXDEPTH];
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struct xfs_da_state *state;
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struct xfs_scrub *sc;
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void *private;
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/*
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* Lowest and highest directory block address in which we expect
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* to find dir/attr btree node blocks. For a directory this
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* (presumably) means between LEAF_OFFSET and FREE_OFFSET; for
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* attributes there is no limit.
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*/
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xfs_dablk_t lowest;
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xfs_dablk_t highest;
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int tree_level;
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};
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typedef int (*xchk_da_btree_rec_fn)(struct xchk_da_btree *ds, int level);
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/* Check for da btree operation errors. */
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bool xchk_da_process_error(struct xchk_da_btree *ds, int level, int *error);
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/* Check for da btree corruption. */
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void xchk_da_set_corrupt(struct xchk_da_btree *ds, int level);
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void xchk_da_set_preen(struct xchk_da_btree *ds, int level);
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void xchk_da_set_preen(struct xchk_da_btree *ds, int level);
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int xchk_da_btree_hash(struct xchk_da_btree *ds, int level, __be32 *hashp);
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int xchk_da_btree(struct xfs_scrub *sc, int whichfork,
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xchk_da_btree_rec_fn scrub_fn, void *private);
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#endif /* __XFS_SCRUB_DABTREE_H__ */
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