Re: [RFC PATCH 1/1] Allow ext4 to run without a journal, take 2.

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On Thu, 2008-11-27 at 15:57 +0800, Peng Tao wrote:
> Hi, Frank
> 
> I somehow managed to apply your patch against v2.6.28-rc3 kernel. With
> some small modifications, it worked just as supposed.
> 
> now, I have tested the modified patch in three ways, so far so good:
> 1. mount an ext2 fs image as ext4 and muck about with it. Then mount it
> as ext2
> 2. unmark an ext4 image's has_journal flag and mount it as ext4, and
> compile a kernel and delete all files on it.
> 3. mount a normal ext4 image, and compile a kernel and delete all files
> on it.

I have a new version of the patch that has several problems corrected
and one or two bugs fixed.  One of us ran into a memory leak on
Wednesday (after I had already left for the long weekend), though, so
I'll resubmit the patch after we get that fixed.  (The memory leak is
only when using ext4 without a journal, with a journal it works fine.
Looks like the no-journal case is missing a code path with a free
somewhere but I haven't had a chance to look at it yet.)
-- 
Frank Mayhar <fmayhar@xxxxxxxxxx>
Google, Inc.

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