root/fs/xfs/scrub/dabtree.h
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2017-2023 Oracle.  All Rights Reserved.
 * Author: Darrick J. Wong <djwong@kernel.org>
 */
#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);

/* 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);
void xchk_da_set_preen(struct xchk_da_btree *ds, int level);

void xchk_da_set_preen(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__ */