From 34efab5135195a739556da628c6d8c2bffe3c6e7 Mon Sep 17 00:00:00 2001
From: Josef Bacik <jbacik@fusionio.com>
Date: Thu, 31 Jan 2013 14:58:00 -0500
Subject: [PATCH] --- yaml --- r: 360433 b: refs/heads/master c:
 0bec9ef525e33233d7739b71be83bb78746f6e94 h: refs/heads/master i:   360431:
 649fa5c4bb278f6b74b50e7b4070c15509859095 v: v3

---
 [refs]                 |  2 +-
 trunk/fs/btrfs/inode.c | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 8f6768be2212..4a9d186f0110 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 779880ef35b60ac82eed1dcaec6db5b34a170df8
+refs/heads/master: 0bec9ef525e33233d7739b71be83bb78746f6e94
diff --git a/trunk/fs/btrfs/inode.c b/trunk/fs/btrfs/inode.c
index 82c7c66f8523..2b48d2d51d50 100644
--- a/trunk/fs/btrfs/inode.c
+++ b/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.