xfs: remove the ip argument to xfs_defer_finish

And instead require callers to explicitly join the inode using
xfs_defer_ijoin.  Also consolidate the defer error handling in
a few places using a goto label.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/libxfs/xfs_attr.c

@@ -328,13 +328,12 @@ xfs_attr_set(
 		 */
 		xfs_defer_init(args.dfops, args.firstblock);
 		error = xfs_attr_shortform_to_leaf(&args);
-		if (!error)
-			error = xfs_defer_finish(&args.trans, args.dfops, dp);
-		if (error) {
-			args.trans = NULL;
-			xfs_defer_cancel(&dfops);
-			goto out;
-		}
+		if (error)
+			goto out_defer_cancel;
+		xfs_defer_ijoin(args.dfops, dp);
+		error = xfs_defer_finish(&args.trans, args.dfops);
+		if (error)
+			goto out_defer_cancel;
 
 		/*
 		 * Commit the leaf transformation.  We'll need another (linked)
@@ -373,6 +372,9 @@ xfs_attr_set(
 
 	return error;
 
+out_defer_cancel:
+	xfs_defer_cancel(&dfops);
+	args.trans = NULL;
 out:
 	if (args.trans)
 		xfs_trans_cancel(args.trans);
@@ -593,13 +595,12 @@ xfs_attr_leaf_addname(xfs_da_args_t *args)
 		 */
 		xfs_defer_init(args->dfops, args->firstblock);
 		error = xfs_attr3_leaf_to_node(args);
-		if (!error)
-			error = xfs_defer_finish(&args->trans, args->dfops, dp);
-		if (error) {
-			args->trans = NULL;
-			xfs_defer_cancel(args->dfops);
-			return error;
-		}
+		if (error)
+			goto out_defer_cancel;
+		xfs_defer_ijoin(args->dfops, dp);
+		error = xfs_defer_finish(&args->trans, args->dfops);
+		if (error)
+			goto out_defer_cancel;
 
 		/*
 		 * Commit the current trans (including the inode) and start
@@ -684,14 +685,12 @@ xfs_attr_leaf_addname(xfs_da_args_t *args)
 			xfs_defer_init(args->dfops, args->firstblock);
 			error = xfs_attr3_leaf_to_shortform(bp, args, forkoff);
 			/* bp is gone due to xfs_da_shrink_inode */
-			if (!error)
-				error = xfs_defer_finish(&args->trans,
-							args->dfops, dp);
-			if (error) {
-				args->trans = NULL;
-				xfs_defer_cancel(args->dfops);
-				return error;
-			}
+			if (error)
+				goto out_defer_cancel;
+			xfs_defer_ijoin(args->dfops, dp);
+			error = xfs_defer_finish(&args->trans, args->dfops);
+			if (error)
+				goto out_defer_cancel;
 		}
 
 		/*
@@ -706,6 +705,10 @@ xfs_attr_leaf_addname(xfs_da_args_t *args)
 		error = xfs_attr3_leaf_clearflag(args);
 	}
 	return error;
+out_defer_cancel:
+	xfs_defer_cancel(args->dfops);
+	args->trans = NULL;
+	return error;
 }
 
 /*
@@ -747,15 +750,18 @@ xfs_attr_leaf_removename(xfs_da_args_t *args)
 		xfs_defer_init(args->dfops, args->firstblock);
 		error = xfs_attr3_leaf_to_shortform(bp, args, forkoff);
 		/* bp is gone due to xfs_da_shrink_inode */
-		if (!error)
-			error = xfs_defer_finish(&args->trans, args->dfops, dp);
-		if (error) {
-			args->trans = NULL;
-			xfs_defer_cancel(args->dfops);
-			return error;
-		}
+		if (error)
+			goto out_defer_cancel;
+		xfs_defer_ijoin(args->dfops, dp);
+		error = xfs_defer_finish(&args->trans, args->dfops);
+		if (error)
+			goto out_defer_cancel;
 	}
 	return 0;
+out_defer_cancel:
+	xfs_defer_cancel(args->dfops);
+	args->trans = NULL;
+	return error;
 }
 
 /*
@@ -872,14 +878,12 @@ xfs_attr_node_addname(xfs_da_args_t *args)
 			state = NULL;
 			xfs_defer_init(args->dfops, args->firstblock);
 			error = xfs_attr3_leaf_to_node(args);
-			if (!error)
-				error = xfs_defer_finish(&args->trans,
-							args->dfops, dp);
-			if (error) {
-				args->trans = NULL;
-				xfs_defer_cancel(args->dfops);
-				goto out;
-			}
+			if (error)
+				goto out_defer_cancel;
+			xfs_defer_ijoin(args->dfops, dp);
+			error = xfs_defer_finish(&args->trans, args->dfops);
+			if (error)
+				goto out_defer_cancel;
 
 			/*
 			 * Commit the node conversion and start the next
@@ -900,13 +904,12 @@ xfs_attr_node_addname(xfs_da_args_t *args)
 		 */
 		xfs_defer_init(args->dfops, args->firstblock);
 		error = xfs_da3_split(state);
-		if (!error)
-			error = xfs_defer_finish(&args->trans, args->dfops, dp);
-		if (error) {
-			args->trans = NULL;
-			xfs_defer_cancel(args->dfops);
-			goto out;
-		}
+		if (error)
+			goto out_defer_cancel;
+		xfs_defer_ijoin(args->dfops, dp);
+		error = xfs_defer_finish(&args->trans, args->dfops);
+		if (error)
+			goto out_defer_cancel;
 	} else {
 		/*
 		 * Addition succeeded, update Btree hashvals.
@@ -999,14 +1002,12 @@ xfs_attr_node_addname(xfs_da_args_t *args)
 		if (retval && (state->path.active > 1)) {
 			xfs_defer_init(args->dfops, args->firstblock);
 			error = xfs_da3_join(state);
-			if (!error)
-				error = xfs_defer_finish(&args->trans,
-							args->dfops, dp);
-			if (error) {
-				args->trans = NULL;
-				xfs_defer_cancel(args->dfops);
-				goto out;
-			}
+			if (error)
+				goto out_defer_cancel;
+			xfs_defer_ijoin(args->dfops, dp);
+			error = xfs_defer_finish(&args->trans, args->dfops);
+			if (error)
+				goto out_defer_cancel;
 		}
 
 		/*
@@ -1032,6 +1033,10 @@ xfs_attr_node_addname(xfs_da_args_t *args)
 	if (error)
 		return error;
 	return retval;
+out_defer_cancel:
+	xfs_defer_cancel(args->dfops);
+	args->trans = NULL;
+	goto out;
 }
 
 /*
@@ -1122,13 +1127,12 @@ xfs_attr_node_removename(xfs_da_args_t *args)
 	if (retval && (state->path.active > 1)) {
 		xfs_defer_init(args->dfops, args->firstblock);
 		error = xfs_da3_join(state);
-		if (!error)
-			error = xfs_defer_finish(&args->trans, args->dfops, dp);
-		if (error) {
-			args->trans = NULL;
-			xfs_defer_cancel(args->dfops);
-			goto out;
-		}
+		if (error)
+			goto out_defer_cancel;
+		xfs_defer_ijoin(args->dfops, dp);
+		error = xfs_defer_finish(&args->trans, args->dfops);
+		if (error)
+			goto out_defer_cancel;
 		/*
 		 * Commit the Btree join operation and start a new trans.
 		 */
@@ -1156,14 +1160,12 @@ xfs_attr_node_removename(xfs_da_args_t *args)
 			xfs_defer_init(args->dfops, args->firstblock);
 			error = xfs_attr3_leaf_to_shortform(bp, args, forkoff);
 			/* bp is gone due to xfs_da_shrink_inode */
-			if (!error)
-				error = xfs_defer_finish(&args->trans,
-							args->dfops, dp);
-			if (error) {
-				args->trans = NULL;
-				xfs_defer_cancel(args->dfops);
-				goto out;
-			}
+			if (error)
+				goto out_defer_cancel;
+			xfs_defer_ijoin(args->dfops, dp);
+			error = xfs_defer_finish(&args->trans, args->dfops);
+			if (error)
+				goto out_defer_cancel;
 		} else
 			xfs_trans_brelse(args->trans, bp);
 	}
@@ -1172,6 +1174,10 @@ xfs_attr_node_removename(xfs_da_args_t *args)
 out:
 	xfs_da_state_free(state);
 	return error;
+out_defer_cancel:
+	xfs_defer_cancel(args->dfops);
+	args->trans = NULL;
+	goto out;
 }
 
 /*

fs/xfs/libxfs/xfs_attr_remote.c

@@ -467,13 +467,12 @@ xfs_attr_rmtval_set(
 		error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno,
 				  blkcnt, XFS_BMAPI_ATTRFORK, args->firstblock,
 				  args->total, &map, &nmap, args->dfops);
-		if (!error)
-			error = xfs_defer_finish(&args->trans, args->dfops, dp);
-		if (error) {
-			args->trans = NULL;
-			xfs_defer_cancel(args->dfops);
-			return error;
-		}
+		if (error)
+			goto out_defer_cancel;
+		xfs_defer_ijoin(args->dfops, dp);
+		error = xfs_defer_finish(&args->trans, args->dfops);
+		if (error)
+			goto out_defer_cancel;
 
 		ASSERT(nmap == 1);
 		ASSERT((map.br_startblock != DELAYSTARTBLOCK) &&
@@ -539,6 +538,10 @@ xfs_attr_rmtval_set(
 	}
 	ASSERT(valuelen == 0);
 	return 0;
+out_defer_cancel:
+	xfs_defer_cancel(args->dfops);
+	args->trans = NULL;
+	return error;
 }
 
 /*
@@ -609,14 +612,12 @@ xfs_attr_rmtval_remove(
 		error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt,
 				    XFS_BMAPI_ATTRFORK, 1, args->firstblock,
 				    args->dfops, &done);
-		if (!error)
-			error = xfs_defer_finish(&args->trans, args->dfops,
-						args->dp);
-		if (error) {
-			args->trans = NULL;
-			xfs_defer_cancel(args->dfops);
-			return error;
-		}
+		if (error)
+			goto out_defer_cancel;
+		xfs_defer_ijoin(args->dfops, args->dp);
+		error = xfs_defer_finish(&args->trans, args->dfops);
+		if (error)
+			goto out_defer_cancel;
 
 		/*
 		 * Close out trans and start the next one in the chain.
@@ -626,4 +627,8 @@ xfs_attr_rmtval_remove(
 			return error;
 	}
 	return 0;
+out_defer_cancel:
+	xfs_defer_cancel(args->dfops);
+	args->trans = NULL;
+	return error;
 }

fs/xfs/libxfs/xfs_bmap.c

@@ -1196,7 +1196,7 @@ xfs_bmap_add_attrfork(
 			xfs_log_sb(tp);
 	}
 
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto bmap_cancel;
 	error = xfs_trans_commit(tp);
@@ -6402,7 +6402,7 @@ xfs_bmap_split_extent(
 	if (error)
 		goto out;
 
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto out;
 

fs/xfs/libxfs/xfs_defer.c

@@ -277,8 +277,7 @@ xfs_defer_has_unfinished_work(
 
 /*
  * Add this inode to the deferred op.  Each joined inode is relogged
- * each time we roll the transaction, in addition to any inode passed
- * to xfs_defer_finish().
+ * each time we roll the transaction.
  */
 int
 xfs_defer_ijoin(
@@ -310,8 +309,7 @@ xfs_defer_ijoin(
 int
 xfs_defer_finish(
 	struct xfs_trans		**tp,
-	struct xfs_defer_ops		*dop,
-	struct xfs_inode		*ip)
+	struct xfs_defer_ops		*dop)
 {
 	struct xfs_defer_pending	*dfp;
 	struct list_head		*li;
@@ -324,8 +322,6 @@ xfs_defer_finish(
 
 	trace_xfs_defer_finish((*tp)->t_mountp, dop);
 
-	xfs_defer_ijoin(dop, ip);
-
 	/* Until we run out of pending work to finish... */
 	while (xfs_defer_has_unfinished_work(dop)) {
 		/* Log intents for work items sitting in the intake. */

fs/xfs/libxfs/xfs_defer.h

@@ -72,8 +72,7 @@ struct xfs_defer_ops {
 
 void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type,
 		struct list_head *h);
-int xfs_defer_finish(struct xfs_trans **tp, struct xfs_defer_ops *dop,
-		struct xfs_inode *ip);
+int xfs_defer_finish(struct xfs_trans **tp, struct xfs_defer_ops *dop);
 void xfs_defer_cancel(struct xfs_defer_ops *dop);
 void xfs_defer_init(struct xfs_defer_ops *dop, xfs_fsblock_t *fbp);
 bool xfs_defer_has_unfinished_work(struct xfs_defer_ops *dop);

fs/xfs/libxfs/xfs_refcount.c

@@ -1679,7 +1679,7 @@ xfs_refcount_recover_cow_leftovers(
 		xfs_bmap_add_free(mp, &dfops, fsb,
 				rr->rr_rrec.rc_blockcount, NULL);
 
-		error = xfs_defer_finish(&tp, &dfops, NULL);
+		error = xfs_defer_finish(&tp, &dfops);
 		if (error)
 			goto out_defer;
 

fs/xfs/xfs_bmap_item.c

@@ -502,7 +502,7 @@ xfs_bui_recover(
 	}
 
 	/* Finish transaction, free inodes. */
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto err_dfops;
 

fs/xfs/xfs_bmap_util.c

@@ -1136,7 +1136,7 @@ xfs_alloc_file_space(
 		/*
 		 * Complete the transaction
 		 */
-		error = xfs_defer_finish(&tp, &dfops, NULL);
+		error = xfs_defer_finish(&tp, &dfops);
 		if (error)
 			goto error0;
 
@@ -1202,7 +1202,8 @@ xfs_unmap_extent(
 	if (error)
 		goto out_bmap_cancel;
 
-	error = xfs_defer_finish(&tp, &dfops, ip);
+	xfs_defer_ijoin(&dfops, ip);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto out_bmap_cancel;
 
@@ -1496,7 +1497,7 @@ xfs_shift_file_space(
 		if (error)
 			goto out_bmap_cancel;
 
-		error = xfs_defer_finish(&tp, &dfops, NULL);
+		error = xfs_defer_finish(&tp, &dfops);
 		if (error)
 			goto out_bmap_cancel;
 
@@ -1777,7 +1778,8 @@ xfs_swap_extent_rmap(
 			if (error)
 				goto out_defer;
 
-			error = xfs_defer_finish(tpp, &dfops, ip);
+			xfs_defer_ijoin(&dfops, ip);
+			error = xfs_defer_finish(tpp, &dfops);
 			if (error)
 				goto out_defer;
 

fs/xfs/xfs_dquot.c

@@ -383,7 +383,7 @@ xfs_qm_dqalloc(
 
 	xfs_trans_bhold(tp, bp);
 
-	error = xfs_defer_finish(tpp, &dfops, NULL);
+	error = xfs_defer_finish(tpp, &dfops);
 	if (error)
 		goto error1;
 

fs/xfs/xfs_inode.c

@@ -1285,7 +1285,7 @@ xfs_create(
 	 */
 	xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp);
 
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto out_bmap_cancel;
 
@@ -1513,7 +1513,7 @@ xfs_link(
 	if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC))
 		xfs_trans_set_sync(tp);
 
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error) {
 		xfs_defer_cancel(&dfops);
 		goto error_return;
@@ -1607,7 +1607,8 @@ xfs_itruncate_extents(
 		 * Duplicate the transaction that has the permanent
 		 * reservation and commit the old transaction.
 		 */
-		error = xfs_defer_finish(&tp, &dfops, ip);
+		xfs_defer_ijoin(&dfops, ip);
+		error = xfs_defer_finish(&tp, &dfops);
 		if (error)
 			goto out_bmap_cancel;
 
@@ -1855,7 +1856,7 @@ xfs_inactive_ifree(
 	 * Just ignore errors at this point.  There is nothing we can do except
 	 * to try to keep going. Make sure it's not a silent error.
 	 */
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error) {
 		xfs_notice(mp, "%s: xfs_defer_finish returned error %d",
 			__func__, error);
@@ -2650,7 +2651,7 @@ xfs_remove(
 	if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC))
 		xfs_trans_set_sync(tp);
 
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto out_bmap_cancel;
 
@@ -2736,7 +2737,7 @@ xfs_finish_rename(
 	if (tp->t_mountp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC))
 		xfs_trans_set_sync(tp);
 
-	error = xfs_defer_finish(&tp, dfops, NULL);
+	error = xfs_defer_finish(&tp, dfops);
 	if (error) {
 		xfs_defer_cancel(dfops);
 		xfs_trans_cancel(tp);

fs/xfs/xfs_iomap.c

@@ -274,7 +274,7 @@ xfs_iomap_write_direct(
 	/*
 	 * Complete the transaction
 	 */
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto out_bmap_cancel;
 
@@ -784,7 +784,7 @@ xfs_iomap_write_allocate(
 			if (error)
 				goto trans_cancel;
 
-			error = xfs_defer_finish(&tp, &dfops, NULL);
+			error = xfs_defer_finish(&tp, &dfops);
 			if (error)
 				goto trans_cancel;
 
@@ -906,7 +906,7 @@ xfs_iomap_write_unwritten(
 			xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 		}
 
-		error = xfs_defer_finish(&tp, &dfops, NULL);
+		error = xfs_defer_finish(&tp, &dfops);
 		if (error)
 			goto error_on_bmapi_transaction;
 

fs/xfs/xfs_refcount_item.c

@@ -525,7 +525,7 @@ xfs_cui_recover(
 	}
 
 	xfs_refcount_finish_one_cleanup(tp, rcur, error);
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto abort_defer;
 	set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags);

fs/xfs/xfs_reflink.c

@@ -464,7 +464,7 @@ xfs_reflink_allocate_cow(
 		goto out_bmap_cancel;
 
 	/* Finish up. */
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto out_bmap_cancel;
 
@@ -602,7 +602,8 @@ xfs_reflink_cancel_cow_blocks(
 					-(long)del.br_blockcount);
 
 			/* Roll the transaction */
-			error = xfs_defer_finish(tpp, &dfops, ip);
+			xfs_defer_ijoin(&dfops, ip);
+			error = xfs_defer_finish(tpp, &dfops);
 			if (error) {
 				xfs_defer_cancel(&dfops);
 				break;
@@ -791,7 +792,8 @@ xfs_reflink_end_cow(
 		/* Remove the mapping from the CoW fork. */
 		xfs_bmap_del_extent_cow(ip, &idx, &got, &del);
 
-		error = xfs_defer_finish(&tp, &dfops, ip);
+		xfs_defer_ijoin(&dfops, ip);
+		error = xfs_defer_finish(&tp, &dfops);
 		if (error)
 			goto out_defer;
 next_extent:
@@ -1152,7 +1154,8 @@ xfs_reflink_remap_extent(
 
 next_extent:
 		/* Process all the deferred stuff. */
-		error = xfs_defer_finish(&tp, &dfops, ip);
+		xfs_defer_ijoin(&dfops, ip);
+		error = xfs_defer_finish(&tp, &dfops);
 		if (error)
 			goto out_defer;
 	}

fs/xfs/xfs_rtalloc.c

@@ -810,7 +810,7 @@ xfs_growfs_rt_alloc(
 		/*
 		 * Free any blocks freed up in the transaction, then commit.
 		 */
-		error = xfs_defer_finish(&tp, &dfops, NULL);
+		error = xfs_defer_finish(&tp, &dfops);
 		if (error)
 			goto out_bmap_cancel;
 		error = xfs_trans_commit(tp);

fs/xfs/xfs_symlink.c

@@ -378,7 +378,7 @@ xfs_symlink(
 		xfs_trans_set_sync(tp);
 	}
 
-	error = xfs_defer_finish(&tp, &dfops, NULL);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto out_bmap_cancel;
 
@@ -497,7 +497,8 @@ xfs_inactive_symlink_rmt(
 	/*
 	 * Commit the first transaction.  This logs the EFI and the inode.
 	 */
-	error = xfs_defer_finish(&tp, &dfops, ip);
+	xfs_defer_ijoin(&dfops, ip);
+	error = xfs_defer_finish(&tp, &dfops);
 	if (error)
 		goto error_bmap_cancel;
 	/*