xfs: refactor intent item iop_recover calls

Now that we've made the recovered item tests all the same, we can hoist
the test and the ail locking code to the ->iop_recover caller and call
the recovery function directly.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

fs/xfs/xfs_bmap_item.c

@@ -421,25 +421,26 @@ const struct xfs_defer_op_type xfs_bmap_update_defer_type = {
  * We need to update some inode's bmbt.
  */
 STATIC int
-xfs_bui_recover(
-	struct xfs_trans		*parent_tp,
-	struct xfs_bui_log_item		*buip)
+xfs_bui_item_recover(
+	struct xfs_log_item		*lip,
+	struct xfs_trans		*parent_tp)
 {
-	int				error = 0;
-	unsigned int			bui_type;
+	struct xfs_bmbt_irec		irec;
+	struct xfs_bui_log_item		*buip = BUI_ITEM(lip);
+	struct xfs_trans		*tp;
+	struct xfs_inode		*ip = NULL;
+	struct xfs_mount		*mp = parent_tp->t_mountp;
 	struct xfs_map_extent		*bmap;
+	struct xfs_bud_log_item		*budp;
 	xfs_fsblock_t			startblock_fsb;
 	xfs_fsblock_t			inode_fsb;
 	xfs_filblks_t			count;
-	bool				op_ok;
-	struct xfs_bud_log_item		*budp;
+	xfs_exntst_t			state;
 	enum xfs_bmap_intent_type	type;
+	bool				op_ok;
+	unsigned int			bui_type;
 	int				whichfork;
-	xfs_exntst_t			state;
-	struct xfs_trans		*tp;
-	struct xfs_inode		*ip = NULL;
-	struct xfs_bmbt_irec		irec;
-	struct xfs_mount		*mp = parent_tp->t_mountp;
+	int				error = 0;
 
 	ASSERT(!test_bit(XFS_LI_RECOVERED, &buip->bui_item.li_flags));
 
@@ -555,29 +556,6 @@ xfs_bui_recover(
 	return error;
 }
 
-/* Recover the BUI if necessary. */
-STATIC int
-xfs_bui_item_recover(
-	struct xfs_log_item		*lip,
-	struct xfs_trans		*tp)
-{
-	struct xfs_ail			*ailp = lip->li_ailp;
-	struct xfs_bui_log_item		*buip = BUI_ITEM(lip);
-	int				error;
-
-	/*
-	 * Skip BUIs that we've already processed.
-	 */
-	if (test_bit(XFS_LI_RECOVERED, &buip->bui_item.li_flags))
-		return 0;
-
-	spin_unlock(&ailp->ail_lock);
-	error = xfs_bui_recover(tp, buip);
-	spin_lock(&ailp->ail_lock);
-
-	return error;
-}
-
 STATIC bool
 xfs_bui_item_match(
 	struct xfs_log_item	*lip,

fs/xfs/xfs_extfree_item.c

@@ -581,16 +581,18 @@ const struct xfs_defer_op_type xfs_agfl_free_defer_type = {
  * the log.  We need to free the extents that it describes.
  */
 STATIC int
-xfs_efi_recover(
-	struct xfs_mount	*mp,
-	struct xfs_efi_log_item	*efip)
+xfs_efi_item_recover(
+	struct xfs_log_item		*lip,
+	struct xfs_trans		*parent_tp)
 {
-	struct xfs_efd_log_item	*efdp;
-	struct xfs_trans	*tp;
-	int			i;
-	int			error = 0;
-	xfs_extent_t		*extp;
-	xfs_fsblock_t		startblock_fsb;
+	struct xfs_efi_log_item		*efip = EFI_ITEM(lip);
+	struct xfs_mount		*mp = parent_tp->t_mountp;
+	struct xfs_efd_log_item		*efdp;
+	struct xfs_trans		*tp;
+	struct xfs_extent		*extp;
+	xfs_fsblock_t			startblock_fsb;
+	int				i;
+	int				error = 0;
 
 	ASSERT(!test_bit(XFS_LI_RECOVERED, &efip->efi_item.li_flags));
 
@@ -641,30 +643,6 @@ xfs_efi_recover(
 	return error;
 }
 
-/* Recover the EFI if necessary. */
-STATIC int
-xfs_efi_item_recover(
-	struct xfs_log_item		*lip,
-	struct xfs_trans		*tp)
-{
-	struct xfs_ail			*ailp = lip->li_ailp;
-	struct xfs_efi_log_item		*efip;
-	int				error;
-
-	/*
-	 * Skip EFIs that we've already processed.
-	 */
-	efip = container_of(lip, struct xfs_efi_log_item, efi_item);
-	if (test_bit(XFS_LI_RECOVERED, &efip->efi_item.li_flags))
-		return 0;
-
-	spin_unlock(&ailp->ail_lock);
-	error = xfs_efi_recover(tp->t_mountp, efip);
-	spin_lock(&ailp->ail_lock);
-
-	return error;
-}
-
 STATIC bool
 xfs_efi_item_match(
 	struct xfs_log_item	*lip,

fs/xfs/xfs_log_recover.c

@@ -2643,7 +2643,7 @@ xlog_recover_process_intents(
 	struct xfs_ail_cursor	cur;
 	struct xfs_log_item	*lip;
 	struct xfs_ail		*ailp;
-	int			error;
+	int			error = 0;
 #if defined(DEBUG) || defined(XFS_WARN)
 	xfs_lsn_t		last_lsn;
 #endif
@@ -2693,7 +2693,11 @@ xlog_recover_process_intents(
 		 * this routine or else those subsequent intents will get
 		 * replayed in the wrong order!
 		 */
-		error = lip->li_ops->iop_recover(lip, parent_tp);
+		if (!test_bit(XFS_LI_RECOVERED, &lip->li_flags)) {
+			spin_unlock(&ailp->ail_lock);
+			error = lip->li_ops->iop_recover(lip, parent_tp);
+			spin_lock(&ailp->ail_lock);
+		}
 		if (error)
 			goto out;
 		lip = xfs_trans_ail_cursor_next(ailp, &cur);

fs/xfs/xfs_refcount_item.c

@@ -421,25 +421,26 @@ const struct xfs_defer_op_type xfs_refcount_update_defer_type = {
  * We need to update the refcountbt.
  */
 STATIC int
-xfs_cui_recover(
-	struct xfs_trans		*parent_tp,
-	struct xfs_cui_log_item		*cuip)
+xfs_cui_item_recover(
+	struct xfs_log_item		*lip,
+	struct xfs_trans		*parent_tp)
 {
-	int				i;
-	int				error = 0;
-	unsigned int			refc_type;
+	struct xfs_bmbt_irec		irec;
+	struct xfs_cui_log_item		*cuip = CUI_ITEM(lip);
 	struct xfs_phys_extent		*refc;
-	xfs_fsblock_t			startblock_fsb;
-	bool				op_ok;
 	struct xfs_cud_log_item		*cudp;
 	struct xfs_trans		*tp;
 	struct xfs_btree_cur		*rcur = NULL;
-	enum xfs_refcount_intent_type	type;
+	struct xfs_mount		*mp = parent_tp->t_mountp;
+	xfs_fsblock_t			startblock_fsb;
 	xfs_fsblock_t			new_fsb;
 	xfs_extlen_t			new_len;
-	struct xfs_bmbt_irec		irec;
+	unsigned int			refc_type;
+	bool				op_ok;
 	bool				requeue_only = false;
-	struct xfs_mount		*mp = parent_tp->t_mountp;
+	enum xfs_refcount_intent_type	type;
+	int				i;
+	int				error = 0;
 
 	ASSERT(!test_bit(XFS_LI_RECOVERED, &cuip->cui_item.li_flags));
 
@@ -568,29 +569,6 @@ xfs_cui_recover(
 	return error;
 }
 
-/* Recover the CUI if necessary. */
-STATIC int
-xfs_cui_item_recover(
-	struct xfs_log_item		*lip,
-	struct xfs_trans		*tp)
-{
-	struct xfs_ail			*ailp = lip->li_ailp;
-	struct xfs_cui_log_item		*cuip = CUI_ITEM(lip);
-	int				error;
-
-	/*
-	 * Skip CUIs that we've already processed.
-	 */
-	if (test_bit(XFS_LI_RECOVERED, &cuip->cui_item.li_flags))
-		return 0;
-
-	spin_unlock(&ailp->ail_lock);
-	error = xfs_cui_recover(tp, cuip);
-	spin_lock(&ailp->ail_lock);
-
-	return error;
-}
-
 STATIC bool
 xfs_cui_item_match(
 	struct xfs_log_item	*lip,

fs/xfs/xfs_rmap_item.c

@@ -464,21 +464,23 @@ const struct xfs_defer_op_type xfs_rmap_update_defer_type = {
  * We need to update the rmapbt.
  */
 STATIC int
-xfs_rui_recover(
-	struct xfs_mount		*mp,
-	struct xfs_rui_log_item		*ruip)
+xfs_rui_item_recover(
+	struct xfs_log_item		*lip,
+	struct xfs_trans		*parent_tp)
 {
-	int				i;
-	int				error = 0;
+	struct xfs_rui_log_item		*ruip = RUI_ITEM(lip);
 	struct xfs_map_extent		*rmap;
-	xfs_fsblock_t			startblock_fsb;
-	bool				op_ok;
 	struct xfs_rud_log_item		*rudp;
-	enum xfs_rmap_intent_type	type;
-	int				whichfork;
-	xfs_exntst_t			state;
 	struct xfs_trans		*tp;
 	struct xfs_btree_cur		*rcur = NULL;
+	struct xfs_mount		*mp = parent_tp->t_mountp;
+	xfs_fsblock_t			startblock_fsb;
+	enum xfs_rmap_intent_type	type;
+	xfs_exntst_t			state;
+	bool				op_ok;
+	int				i;
+	int				whichfork;
+	int				error = 0;
 
 	ASSERT(!test_bit(XFS_LI_RECOVERED, &ruip->rui_item.li_flags));
 
@@ -583,29 +585,6 @@ xfs_rui_recover(
 	return error;
 }
 
-/* Recover the RUI if necessary. */
-STATIC int
-xfs_rui_item_recover(
-	struct xfs_log_item		*lip,
-	struct xfs_trans		*tp)
-{
-	struct xfs_ail			*ailp = lip->li_ailp;
-	struct xfs_rui_log_item		*ruip = RUI_ITEM(lip);
-	int				error;
-
-	/*
-	 * Skip RUIs that we've already processed.
-	 */
-	if (test_bit(XFS_LI_RECOVERED, &ruip->rui_item.li_flags))
-		return 0;
-
-	spin_unlock(&ailp->ail_lock);
-	error = xfs_rui_recover(tp->t_mountp, ruip);
-	spin_lock(&ailp->ail_lock);
-
-	return error;
-}
-
 STATIC bool
 xfs_rui_item_match(
 	struct xfs_log_item	*lip,