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