xfs: use a xfs_btree_cur for the ->finish_cleanup state

Given how XFS is all based around btrees it doesn't make much sense
to offer a totally generic state when we can just use the btree cursor.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/libxfs/xfs_defer.c

@@ -361,7 +361,7 @@ xfs_defer_finish_one(
 	struct xfs_defer_pending	*dfp)
 {
 	const struct xfs_defer_op_type	*ops = defer_op_types[dfp->dfp_type];
-	void				*state = NULL;
+	struct xfs_btree_cur		*state = NULL;
 	struct list_head		*li, *n;
 	int				error;
 

fs/xfs/libxfs/xfs_defer.h

@@ -6,6 +6,7 @@
 #ifndef __XFS_DEFER_H__
 #define	__XFS_DEFER_H__
 
+struct xfs_btree_cur;
 struct xfs_defer_op_type;
 
 /*
@@ -49,8 +50,9 @@ struct xfs_defer_op_type {
 	struct xfs_log_item *(*create_done)(struct xfs_trans *tp,
 			struct xfs_log_item *intent, unsigned int count);
 	int (*finish_item)(struct xfs_trans *tp, struct xfs_log_item *done,
-			struct list_head *item, void **state);
-	void (*finish_cleanup)(struct xfs_trans *, void *, int);
+			struct list_head *item, struct xfs_btree_cur **state);
+	void (*finish_cleanup)(struct xfs_trans *tp,
+			struct xfs_btree_cur *state, int error);
 	void (*cancel_item)(struct list_head *);
 	unsigned int		max_items;
 };

fs/xfs/xfs_bmap_item.c

@@ -367,7 +367,7 @@ xfs_bmap_update_finish_item(
 	struct xfs_trans		*tp,
 	struct xfs_log_item		*done,
 	struct list_head		*item,
-	void				**state)
+	struct xfs_btree_cur		**state)
 {
 	struct xfs_bmap_intent		*bmap;
 	xfs_filblks_t			count;

fs/xfs/xfs_extfree_item.c

@@ -474,7 +474,7 @@ xfs_extent_free_finish_item(
 	struct xfs_trans		*tp,
 	struct xfs_log_item		*done,
 	struct list_head		*item,
-	void				**state)
+	struct xfs_btree_cur		**state)
 {
 	struct xfs_extent_free_item	*free;
 	int				error;
@@ -525,7 +525,7 @@ xfs_agfl_free_finish_item(
 	struct xfs_trans		*tp,
 	struct xfs_log_item		*done,
 	struct list_head		*item,
-	void				**state)
+	struct xfs_btree_cur		**state)
 {
 	struct xfs_mount		*mp = tp->t_mountp;
 	struct xfs_efd_log_item		*efdp = EFD_ITEM(done);

fs/xfs/xfs_refcount_item.c

@@ -366,7 +366,7 @@ xfs_refcount_update_finish_item(
 	struct xfs_trans		*tp,
 	struct xfs_log_item		*done,
 	struct list_head		*item,
-	void				**state)
+	struct xfs_btree_cur		**state)
 {
 	struct xfs_refcount_intent	*refc;
 	xfs_fsblock_t			new_fsb;
@@ -375,11 +375,9 @@ xfs_refcount_update_finish_item(
 
 	refc = container_of(item, struct xfs_refcount_intent, ri_list);
 	error = xfs_trans_log_finish_refcount_update(tp, CUD_ITEM(done),
-			refc->ri_type,
-			refc->ri_startblock,
-			refc->ri_blockcount,
-			&new_fsb, &new_aglen,
-			(struct xfs_btree_cur **)state);
+			refc->ri_type, refc->ri_startblock, refc->ri_blockcount,
+			&new_fsb, &new_aglen, state);
+
 	/* Did we run out of reservation?  Requeue what we didn't finish. */
 	if (!error && new_aglen > 0) {
 		ASSERT(refc->ri_type == XFS_REFCOUNT_INCREASE ||
@@ -392,18 +390,6 @@ xfs_refcount_update_finish_item(
 	return error;
 }
 
-/* Clean up after processing deferred refcounts. */
-STATIC void
-xfs_refcount_update_finish_cleanup(
-	struct xfs_trans	*tp,
-	void			*state,
-	int			error)
-{
-	struct xfs_btree_cur	*rcur = state;
-
-	xfs_refcount_finish_one_cleanup(tp, rcur, error);
-}
-
 /* Abort all pending CUIs. */
 STATIC void
 xfs_refcount_update_abort_intent(
@@ -429,7 +415,7 @@ const struct xfs_defer_op_type xfs_refcount_update_defer_type = {
 	.abort_intent	= xfs_refcount_update_abort_intent,
 	.create_done	= xfs_refcount_update_create_done,
 	.finish_item	= xfs_refcount_update_finish_item,
-	.finish_cleanup = xfs_refcount_update_finish_cleanup,
+	.finish_cleanup = xfs_refcount_finish_one_cleanup,
 	.cancel_item	= xfs_refcount_update_cancel_item,
 };
 

fs/xfs/xfs_rmap_item.c

@@ -418,36 +418,21 @@ xfs_rmap_update_finish_item(
 	struct xfs_trans		*tp,
 	struct xfs_log_item		*done,
 	struct list_head		*item,
-	void				**state)
+	struct xfs_btree_cur		**state)
 {
 	struct xfs_rmap_intent		*rmap;
 	int				error;
 
 	rmap = container_of(item, struct xfs_rmap_intent, ri_list);
 	error = xfs_trans_log_finish_rmap_update(tp, RUD_ITEM(done),
-			rmap->ri_type,
-			rmap->ri_owner, rmap->ri_whichfork,
-			rmap->ri_bmap.br_startoff,
-			rmap->ri_bmap.br_startblock,
-			rmap->ri_bmap.br_blockcount,
-			rmap->ri_bmap.br_state,
-			(struct xfs_btree_cur **)state);
+			rmap->ri_type, rmap->ri_owner, rmap->ri_whichfork,
+			rmap->ri_bmap.br_startoff, rmap->ri_bmap.br_startblock,
+			rmap->ri_bmap.br_blockcount, rmap->ri_bmap.br_state,
+			state);
 	kmem_free(rmap);
 	return error;
 }
 
-/* Clean up after processing deferred rmaps. */
-STATIC void
-xfs_rmap_update_finish_cleanup(
-	struct xfs_trans	*tp,
-	void			*state,
-	int			error)
-{
-	struct xfs_btree_cur	*rcur = state;
-
-	xfs_rmap_finish_one_cleanup(tp, rcur, error);
-}
-
 /* Abort all pending RUIs. */
 STATIC void
 xfs_rmap_update_abort_intent(
@@ -473,7 +458,7 @@ const struct xfs_defer_op_type xfs_rmap_update_defer_type = {
 	.abort_intent	= xfs_rmap_update_abort_intent,
 	.create_done	= xfs_rmap_update_create_done,
 	.finish_item	= xfs_rmap_update_finish_item,
-	.finish_cleanup = xfs_rmap_update_finish_cleanup,
+	.finish_cleanup = xfs_rmap_finish_one_cleanup,
 	.cancel_item	= xfs_rmap_update_cancel_item,
 };