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-rw-r--r--fs/xfs/scrub/dabtree.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/fs/xfs/scrub/dabtree.h b/fs/xfs/scrub/dabtree.h
new file mode 100644
index 000000000..1f3515c6d
--- /dev/null
+++ b/fs/xfs/scrub/dabtree.h
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Oracle. All Rights Reserved.
+ * Author: Darrick J. Wong <darrick.wong@oracle.com>
+ */
+#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);
+
+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__ */