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Diffstat (limited to 'fs/xfs/scrub/btree.h')
| -rw-r--r-- | fs/xfs/scrub/btree.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/fs/xfs/scrub/btree.h b/fs/xfs/scrub/btree.h new file mode 100644 index 000000000..5572e475f --- /dev/null +++ b/fs/xfs/scrub/btree.h @@ -0,0 +1,51 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017 Oracle. All Rights Reserved. + * Author: Darrick J. Wong <darrick.wong@oracle.com> + */ +#ifndef __XFS_SCRUB_BTREE_H__ +#define __XFS_SCRUB_BTREE_H__ + +/* btree scrub */ + +/* Check for btree operation errors. */ +bool xchk_btree_process_error(struct xfs_scrub *sc, + struct xfs_btree_cur *cur, int level, int *error); + +/* Check for btree xref operation errors. */ +bool xchk_btree_xref_process_error(struct xfs_scrub *sc, + struct xfs_btree_cur *cur, int level, int *error); + +/* Check for btree corruption. */ +void xchk_btree_set_corrupt(struct xfs_scrub *sc, + struct xfs_btree_cur *cur, int level); + +/* Check for btree xref discrepancies. */ +void xchk_btree_xref_set_corrupt(struct xfs_scrub *sc, + struct xfs_btree_cur *cur, int level); + +struct xchk_btree; +typedef int (*xchk_btree_rec_fn)( + struct xchk_btree *bs, + union xfs_btree_rec *rec); + +struct xchk_btree { + /* caller-provided scrub state */ + struct xfs_scrub *sc; + struct xfs_btree_cur *cur; + xchk_btree_rec_fn scrub_rec; + const struct xfs_owner_info *oinfo; + void *private; + + /* internal scrub state */ + union xfs_btree_rec lastrec; + bool firstrec; + union xfs_btree_key lastkey[XFS_BTREE_MAXLEVELS]; + bool firstkey[XFS_BTREE_MAXLEVELS]; + struct list_head to_check; +}; +int xchk_btree(struct xfs_scrub *sc, struct xfs_btree_cur *cur, + xchk_btree_rec_fn scrub_fn, const struct xfs_owner_info *oinfo, + void *private); + +#endif /* __XFS_SCRUB_BTREE_H__ */ |