---

yaml
---
r: 360433
b: refs/heads/master
c: 0bec9ef
h: refs/heads/master
i:
  360431: 649fa5c
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 779880ef35b60ac82eed1dcaec6db5b34a170df8
+refs/heads/master: 0bec9ef525e33233d7739b71be83bb78746f6e94

trunk/fs/btrfs/inode.c

@@ -2022,11 +2022,23 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
 	if (trans)
 		btrfs_end_transaction(trans, root);
 
-	if (ret)
+	if (ret) {
 		clear_extent_uptodate(io_tree, ordered_extent->file_offset,
 				      ordered_extent->file_offset +
 				      ordered_extent->len - 1, NULL, GFP_NOFS);
 
+		/*
+		 * If the ordered extent had an IOERR or something else went
+		 * wrong we need to return the space for this ordered extent
+		 * back to the allocator.
+		 */
+		if (!test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags) &&
+		    !test_bit(BTRFS_ORDERED_PREALLOC, &ordered_extent->flags))
+			btrfs_free_reserved_extent(root, ordered_extent->start,
+						   ordered_extent->disk_len);
+	}
+
+
 	/*
 	 * This needs to be done to make sure anybody waiting knows we are done
 	 * updating everything for this ordered extent.