xfs: refactor recovered BUI log item playback

Move the code that processes the log items created from the recovered
log items into the per-item source code files and use dispatch functions
to call them.  No functional changes.

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>

1 files changed, 6 insertions, 61 deletions

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 7d3f7be05395..65081a3efeff 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -2546,46 +2546,6 @@ xlog_recover_process_data(
 	return 0;
 }
 
-/* Recover the BUI if necessary. */
-STATIC int
-xlog_recover_process_bui(
-	struct xfs_trans		*parent_tp,
-	struct xfs_ail			*ailp,
-	struct xfs_log_item		*lip)
-{
-	struct xfs_bui_log_item		*buip;
-	int				error;
-
-	/*
-	 * Skip BUIs that we've already processed.
-	 */
-	buip = container_of(lip, struct xfs_bui_log_item, bui_item);
-	if (test_bit(XFS_BUI_RECOVERED, &buip->bui_flags))
-		return 0;
-
-	spin_unlock(&ailp->ail_lock);
-	error = xfs_bui_recover(parent_tp, buip);
-	spin_lock(&ailp->ail_lock);
-
-	return error;
-}
-
-/* Release the BUI since we're cancelling everything. */
-STATIC void
-xlog_recover_cancel_bui(
-	struct xfs_mount		*mp,
-	struct xfs_ail			*ailp,
-	struct xfs_log_item		*lip)
-{
-	struct xfs_bui_log_item		*buip;
-
-	buip = container_of(lip, struct xfs_bui_log_item, bui_item);
-
-	spin_unlock(&ailp->ail_lock);
-	xfs_bui_release(buip);
-	spin_lock(&ailp->ail_lock);
-}
-
 /* Is this log item a deferred action intent? */
 static inline bool xlog_item_is_intent(struct xfs_log_item *lip)
 {
@@ -2704,18 +2664,11 @@ xlog_recover_process_intents(
 
 		/*
 		 * NOTE: If your intent processing routine can create more
-		 * deferred ops, you /must/ attach them to the dfops in this
-		 * routine or else those subsequent intents will get
+		 * deferred ops, you /must/ attach them to the transaction in
+		 * this routine or else those subsequent intents will get
 		 * replayed in the wrong order!
 		 */
-		switch (lip->li_type) {
-		case XFS_LI_BUI:
-			error = xlog_recover_process_bui(parent_tp, ailp, lip);
-			break;
-		default:
-			error = lip->li_ops->iop_recover(lip, parent_tp);
-			break;
-		}
+		error = lip->li_ops->iop_recover(lip, parent_tp);
 		if (error)
 			goto out;
 		lip = xfs_trans_ail_cursor_next(ailp, &cur);
@@ -2758,17 +2711,9 @@ xlog_recover_cancel_intents(
 			break;
 		}
 
-		switch (lip->li_type) {
-		case XFS_LI_BUI:
-			xlog_recover_cancel_bui(log->l_mp, ailp, lip);
-			break;
-		default:
-			spin_unlock(&ailp->ail_lock);
-			lip->li_ops->iop_release(lip);
-			spin_lock(&ailp->ail_lock);
-			break;
-		}
-
+		spin_unlock(&ailp->ail_lock);
+		lip->li_ops->iop_release(lip);
+		spin_lock(&ailp->ail_lock);
 		lip = xfs_trans_ail_cursor_next(ailp, &cur);
 	}