Reenabled linux-xen and xen-image build

[people/pmueller/ipfire-2.x.git] / src / patches / suse-2.6.27.25 / patches.fixes / ocfs2-truncate-outstanding-block-after-direct-io-fa.patch

From: Dmitri Monakhov <dmonakhov@openvz.org>
Date: Mon, 27 Oct 2008 13:01:49 -0700
Subject: ocfs2: truncate outstanding block after direct io failure

Signed-off-by: Dmitri Monakhov <dmonakhov@openvz.org>
Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Cc: Joel Becker <Joel.Becker@oracle.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
 fs/ocfs2/file.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

Index: linux-2.6.27-ocfs2/fs/ocfs2/file.c
===================================================================
--- linux-2.6.27-ocfs2.orig/fs/ocfs2/file.c
+++ linux-2.6.27-ocfs2/fs/ocfs2/file.c
@@ -1866,6 +1866,13 @@ relock:
 		written = generic_file_direct_write(iocb, iov, &nr_segs, *ppos,
 						    ppos, count, ocount);
 		if (written < 0) {
+			/*
+			 * direct write may have instantiated a few
+			 * blocks outside i_size. Trim these off again.
+			 * Don't need i_size_read because we hold i_mutex.
+			 */
+			if (*ppos + count > inode->i_size)
+				vmtruncate(inode, inode->i_size);
 			ret = written;
 			goto out_dio;
 		}