[PATCH 080/145] xfs: log refcount intent items

[Darrick J. Wong]

Provide a mechanism for higher levels to create CUI/CUD items, submit
them to the log, and a stub function to deal with recovered CUI items.
These parts will be connected to the refcountbt in a later patch.

Signed-off-by: Darrick J. Wong <darrick.wong at oracle.com>
---
 libxfs/xfs_refcount.h |   14 ++++++++++++++
 1 file changed, 14 insertions(+)


diff --git a/libxfs/xfs_refcount.h b/libxfs/xfs_refcount.h
index 8ea65c6..0b36c1d 100644
--- a/libxfs/xfs_refcount.h
+++ b/libxfs/xfs_refcount.h
@@ -27,4 +27,18 @@ extern int xfs_refcountbt_lookup_ge(struct xfs_btree_cur *cur,
 extern int xfs_refcountbt_get_rec(struct xfs_btree_cur *cur,
 		struct xfs_refcount_irec *irec, int *stat);
 
+enum xfs_refcount_intent_type {
+	XFS_REFCOUNT_INCREASE,
+	XFS_REFCOUNT_DECREASE,
+	XFS_REFCOUNT_ALLOC_COW,
+	XFS_REFCOUNT_FREE_COW,
+};
+
+struct xfs_refcount_intent {
+	struct list_head			ri_list;
+	enum xfs_refcount_intent_type		ri_type;
+	xfs_fsblock_t				ri_startblock;
+	xfs_extlen_t				ri_blockcount;
+};
+
 #endif	/* __XFS_REFCOUNT_H__ */