fs/xfs/scrub/dabtree.h

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2017 Oracle.  All Rights Reserved.
   4  * Author: Darrick J. Wong <darrick.wong@oracle.com>
   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,
  32                 int level, void *rec);
  33
  34 /* Check for da btree operation errors. */
  35 bool xchk_da_process_error(struct xchk_da_btree *ds, int level, int *error);
  36
  37 /* Check for da btree corruption. */
  38 void xchk_da_set_corrupt(struct xchk_da_btree *ds, int level);
  39
  40 int xchk_da_btree_hash(struct xchk_da_btree *ds, int level, __be32 *hashp);
  41 int xchk_da_btree(struct xfs_scrub *sc, int whichfork,
  42                 xchk_da_btree_rec_fn scrub_fn, void *private);
  43
  44 #endif /* __XFS_SCRUB_DABTREE_H__ */