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Date:	Wed, 04 Jun 2008 19:53:48 +0900
From:	Hidehiro Kawai <>
To:	Andrew Morton <>
Subject: Re: [PATCH 1/5] jbd: strictly check for write errors on data buffers


Andrew Morton wrote:

> On Mon, 02 Jun 2008 19:43:57 +0900
> Hidehiro Kawai <> wrote:
>>In ordered mode, we should abort journaling when an I/O error has
>>occurred on a file data buffer in the committing transaction.
> Why should we do that?

Aborting the journal leads the filesystem to read-only state, and it
can prevent inconsistent state in file data from diffusing furthermore. 
I think it makes sense for ordered mode users; they don't want to
lose file updates as much as possible, but they don't want to do fsync.

Hidehiro Kawai
Hitachi, Systems Development Laboratory
Linux Technology Center

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