From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Date: Fri, 5 Jun 2009 04:56:49 +0000 (-0400)
Subject: ext4: truncate the file properly if we fail to copy data from userspace
X-Git-Tag: v2.6.31-rc1~396^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f8514083cd61daef12fba5ef883ad9352c450428;p=pandora-kernel.git

ext4: truncate the file properly if we fail to copy data from userspace

In generic_perform_write if we fail to copy the user data we don't
update the inode->i_size.  We should truncate the file in the above
case so that we don't have blocks allocated outside inode->i_size.  Add
the inode to orphan list in the same transaction as block allocation
This ensures that if we crash in between the recovery would do the
truncate.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
CC:  Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

Reading git-diff-tree failed