1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 735f019..a66f3fe 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1785,6 +1785,17 @@ retry:
 	ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
 				 offset, nr_segs,
 				 ext3_get_block, NULL);
+	/*
+	 * In case of error extending write may have instantiated a few
+	 * blocks outside i_size. Trim these off again.
+	 */
+	if (unlikely((rw & WRITE) && ret < 0)) {
+		loff_t isize = i_size_read(inode);
+		loff_t end = offset + iov_length(iov, nr_segs);
+
+		if (end > isize)
+			vmtruncate(inode, isize);
+	}
 	if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries))
 		goto retry;