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-rw-r--r--fs/ext3/inode.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 735f0190ec2a..a66f3fe33672 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;