13791d3b83
As we walk the attribute btree, explicitly check the structure of the attribute leaves to make sure the pointers make sense and the freemap is sensible. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
60 lines
2 KiB
C
60 lines
2 KiB
C
/*
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* Copyright (C) 2017 Oracle. All Rights Reserved.
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*
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* Author: Darrick J. Wong <darrick.wong@oracle.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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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 xfs_scrub_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_context *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 (*xfs_scrub_da_btree_rec_fn)(struct xfs_scrub_da_btree *ds,
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int level, void *rec);
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/* Check for da btree operation errors. */
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bool xfs_scrub_da_process_error(struct xfs_scrub_da_btree *ds, int level, int *error);
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/* Check for da btree corruption. */
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void xfs_scrub_da_set_corrupt(struct xfs_scrub_da_btree *ds, int level);
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int xfs_scrub_da_btree_hash(struct xfs_scrub_da_btree *ds, int level,
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__be32 *hashp);
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int xfs_scrub_da_btree(struct xfs_scrub_context *sc, int whichfork,
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xfs_scrub_da_btree_rec_fn scrub_fn, void *private);
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#endif /* __XFS_SCRUB_DABTREE_H__ */
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