[PATCH 5.4 108/156] xfs: turn dfp_intent into a xfs_log_item

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From: Christoph Hellwig <hch@xxxxxx>

commit 13a8333339072b8654c1d2c75550ee9f41ee15de upstream.

All defer op instance place their own extension of the log item into
the dfp_intent field.  Replace that with a xfs_log_item to improve type
safety and make the code easier to follow.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Signed-off-by: Chandan Babu R <chandan.babu@xxxxxxxxxx>
Acked-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/xfs/libxfs/xfs_defer.h  |   11 ++++++-----
 fs/xfs/xfs_bmap_item.c     |   12 ++++++------
 fs/xfs/xfs_extfree_item.c  |   12 ++++++------
 fs/xfs/xfs_refcount_item.c |   12 ++++++------
 fs/xfs/xfs_rmap_item.c     |   12 ++++++------
 5 files changed, 30 insertions(+), 29 deletions(-)

--- a/fs/xfs/libxfs/xfs_defer.h
+++ b/fs/xfs/libxfs/xfs_defer.h
@@ -28,7 +28,7 @@ enum xfs_defer_ops_type {
 struct xfs_defer_pending {
 	struct list_head		dfp_list;	/* pending items */
 	struct list_head		dfp_work;	/* work items */
-	void				*dfp_intent;	/* log intent item */
+	struct xfs_log_item		*dfp_intent;	/* log intent item */
 	void				*dfp_done;	/* log done item */
 	unsigned int			dfp_count;	/* # extent items */
 	enum xfs_defer_ops_type		dfp_type;
@@ -43,14 +43,15 @@ void xfs_defer_move(struct xfs_trans *dt
 
 /* Description of a deferred type. */
 struct xfs_defer_op_type {
-	void (*abort_intent)(void *);
-	void *(*create_done)(struct xfs_trans *, void *, unsigned int);
+	struct xfs_log_item *(*create_intent)(struct xfs_trans *tp,
+			struct list_head *items, unsigned int count, bool sort);
+	void (*abort_intent)(struct xfs_log_item *intent);
+	void *(*create_done)(struct xfs_trans *tp, struct xfs_log_item *intent,
+			unsigned int count);
 	int (*finish_item)(struct xfs_trans *, struct list_head *, void *,
 			void **);
 	void (*finish_cleanup)(struct xfs_trans *, void *, int);
 	void (*cancel_item)(struct list_head *);
-	void *(*create_intent)(struct xfs_trans *tp, struct list_head *items,
-			unsigned int count, bool sort);
 	unsigned int		max_items;
 };
 
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -330,7 +330,7 @@ xfs_bmap_update_log_item(
 			bmap->bi_bmap.br_state);
 }
 
-STATIC void *
+static struct xfs_log_item *
 xfs_bmap_update_create_intent(
 	struct xfs_trans		*tp,
 	struct list_head		*items,
@@ -348,17 +348,17 @@ xfs_bmap_update_create_intent(
 		list_sort(mp, items, xfs_bmap_update_diff_items);
 	list_for_each_entry(bmap, items, bi_list)
 		xfs_bmap_update_log_item(tp, buip, bmap);
-	return buip;
+	return &buip->bui_item;
 }
 
 /* Get an BUD so we can process all the deferred rmap updates. */
 STATIC void *
 xfs_bmap_update_create_done(
 	struct xfs_trans		*tp,
-	void				*intent,
+	struct xfs_log_item		*intent,
 	unsigned int			count)
 {
-	return xfs_trans_get_bud(tp, intent);
+	return xfs_trans_get_bud(tp, BUI_ITEM(intent));
 }
 
 /* Process a deferred rmap update. */
@@ -394,9 +394,9 @@ xfs_bmap_update_finish_item(
 /* Abort all pending BUIs. */
 STATIC void
 xfs_bmap_update_abort_intent(
-	void				*intent)
+	struct xfs_log_item		*intent)
 {
-	xfs_bui_release(intent);
+	xfs_bui_release(BUI_ITEM(intent));
 }
 
 /* Cancel a deferred rmap update. */
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -437,7 +437,7 @@ xfs_extent_free_log_item(
 	extp->ext_len = free->xefi_blockcount;
 }
 
-STATIC void *
+static struct xfs_log_item *
 xfs_extent_free_create_intent(
 	struct xfs_trans		*tp,
 	struct list_head		*items,
@@ -455,17 +455,17 @@ xfs_extent_free_create_intent(
 		list_sort(mp, items, xfs_extent_free_diff_items);
 	list_for_each_entry(free, items, xefi_list)
 		xfs_extent_free_log_item(tp, efip, free);
-	return efip;
+	return &efip->efi_item;
 }
 
 /* Get an EFD so we can process all the free extents. */
 STATIC void *
 xfs_extent_free_create_done(
 	struct xfs_trans		*tp,
-	void				*intent,
+	struct xfs_log_item		*intent,
 	unsigned int			count)
 {
-	return xfs_trans_get_efd(tp, intent, count);
+	return xfs_trans_get_efd(tp, EFI_ITEM(intent), count);
 }
 
 /* Process a free extent. */
@@ -491,9 +491,9 @@ xfs_extent_free_finish_item(
 /* Abort all pending EFIs. */
 STATIC void
 xfs_extent_free_abort_intent(
-	void				*intent)
+	struct xfs_log_item		*intent)
 {
-	xfs_efi_release(intent);
+	xfs_efi_release(EFI_ITEM(intent));
 }
 
 /* Cancel a free extent. */
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -329,7 +329,7 @@ xfs_refcount_update_log_item(
 	xfs_trans_set_refcount_flags(ext, refc->ri_type);
 }
 
-STATIC void *
+static struct xfs_log_item *
 xfs_refcount_update_create_intent(
 	struct xfs_trans		*tp,
 	struct list_head		*items,
@@ -347,17 +347,17 @@ xfs_refcount_update_create_intent(
 		list_sort(mp, items, xfs_refcount_update_diff_items);
 	list_for_each_entry(refc, items, ri_list)
 		xfs_refcount_update_log_item(tp, cuip, refc);
-	return cuip;
+	return &cuip->cui_item;
 }
 
 /* Get an CUD so we can process all the deferred refcount updates. */
 STATIC void *
 xfs_refcount_update_create_done(
 	struct xfs_trans		*tp,
-	void				*intent,
+	struct xfs_log_item		*intent,
 	unsigned int			count)
 {
-	return xfs_trans_get_cud(tp, intent);
+	return xfs_trans_get_cud(tp, CUI_ITEM(intent));
 }
 
 /* Process a deferred refcount update. */
@@ -407,9 +407,9 @@ xfs_refcount_update_finish_cleanup(
 /* Abort all pending CUIs. */
 STATIC void
 xfs_refcount_update_abort_intent(
-	void				*intent)
+	struct xfs_log_item		*intent)
 {
-	xfs_cui_release(intent);
+	xfs_cui_release(CUI_ITEM(intent));
 }
 
 /* Cancel a deferred refcount update. */
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -381,7 +381,7 @@ xfs_rmap_update_log_item(
 			rmap->ri_bmap.br_state);
 }
 
-STATIC void *
+static struct xfs_log_item *
 xfs_rmap_update_create_intent(
 	struct xfs_trans		*tp,
 	struct list_head		*items,
@@ -399,17 +399,17 @@ xfs_rmap_update_create_intent(
 		list_sort(mp, items, xfs_rmap_update_diff_items);
 	list_for_each_entry(rmap, items, ri_list)
 		xfs_rmap_update_log_item(tp, ruip, rmap);
-	return ruip;
+	return &ruip->rui_item;
 }
 
 /* Get an RUD so we can process all the deferred rmap updates. */
 STATIC void *
 xfs_rmap_update_create_done(
 	struct xfs_trans		*tp,
-	void				*intent,
+	struct xfs_log_item		*intent,
 	unsigned int			count)
 {
-	return xfs_trans_get_rud(tp, intent);
+	return xfs_trans_get_rud(tp, RUI_ITEM(intent));
 }
 
 /* Process a deferred rmap update. */
@@ -451,9 +451,9 @@ xfs_rmap_update_finish_cleanup(
 /* Abort all pending RUIs. */
 STATIC void
 xfs_rmap_update_abort_intent(
-	void				*intent)
+	struct xfs_log_item	*intent)
 {
-	xfs_rui_release(intent);
+	xfs_rui_release(RUI_ITEM(intent));
 }
 
 /* Cancel a deferred rmap update. */





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