linux-kernel - [PATCH 0/4] Fix bugs and possible data corruption if blocksize

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Message-Id: <1237311235-13623-1-git-send-email-jack@suse.cz>
Date:	Tue, 17 Mar 2009 18:33:51 +0100
From:	Jan Kara <jack@...e.cz>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	linux-ext4@...r.kernel.org
Subject: [PATCH 0/4] Fix bugs and possible data corruption if blocksize < pagesize

  Hi,

  lately, I've been tracking some problems with ext3 reported by HP on ia64 and
this is what I came with. The first three patches fix real bugs - the first two
fix bugs in ext3 leading to false reports of EIO errors from JBD and aborted
journal, the third patch fixes a bug in block_write_full_page() which can
possibly lead to data corruption.
  With these patches, don't see the data corruption I was able to reproduce
with fsx-linux under UML. I'm not yet sure whether all the problems HP reported
are gone (they're testing now) but since this seems to be a nasty problem I'm
posting earlier rather than later. Please someone have a look whether my fix
and analysis looks sane. Thanks.

									Honza
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