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xfs: add scrub cross-referencing helpers for the free space btrees

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Add a couple of functions to the free space btrees that will be used
to cross-reference metadata against the bnobt/cntbt, and a generic
btree function that provides the real implementation.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong
2018-01-16 18:52:12 -08:00
parent c468562879
commit ce1d802e6a
4 changed files with 62 additions and 1 deletions
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2
fs/xfs/libxfs/xfs_btree.h
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@@ -547,5 +547,7 @@ void xfs_btree_get_keys(struct xfs_btree_cur *cur,
struct xfs_btree_block *block, union xfs_btree_key *key);
union xfs_btree_key *xfs_btree_high_key_from_key(struct xfs_btree_cur *cur,
union xfs_btree_key *key);
int xfs_btree_has_record(struct xfs_btree_cur *cur, union xfs_btree_irec *low,
union xfs_btree_irec *high, bool *exists);
#endif /* __XFS_BTREE_H__ */