From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Tue, 2 Mar 2010 12:51:02 +0000 (+0300)
Subject: ext3: add writepage sanity checks
X-Git-Tag: v2.6.34-rc1~192^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=49792c806d0bfd53afc789dcdf50dc9bed2c5b83;p=pandora-kernel.git

ext3: add writepage sanity checks

- There is theoretical possibility to perform writepage on
   RO superblock. Add explicit check for what case.
- Page must being locked before writepage.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
---

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