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Date: Mon, 15 Aug 2005 16:56:02 +0000
From: "Ryan B. Lynch" <rlynch@bway.net>
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Cc: linux-mtd@lists.infradead.org
Subject: Re: possible bug in "--pad" option for mkfs.jffs2?
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I did a little more testing with this, and the "--pad" option doesn't
work AT ALL on my installation.  Something is definitely wrong, here.

I compiled JFFS2 from source, using a CVS snapshot from 2005/08/14, with
the "jffs2-summary-20050811-v2.patch" applied.

Can anyone confirm this?

-Ryan


Ryan B. Lynch wrote:

>I don't know if this is really a bug, but mkfs.jffs2 doesn't seem to be
>working entirely as advertised for me.  I'm trying to use the "--pad"
>option to create some relatively large JFFS2 images (~200-950 MB).  I
>know that these are larger than is common, so I'm also on the lookout
>for size-related limitations.
>
>I run 'mkfs.jffs2' with the following command line:
>
> $ /usr/sbin/mkfs.jffs2 \
> >    -r /tmp/root \
> >    -o /tmp/image-20050815.160044.jffs2 \
> >    -e 0x10000 \
> >    -p 214171648
>
>The image size is NOT padded to 214,171,648 bytes, though--the size
>depends on the contents of the filesystem (I tried varying it a little
>to see what happens).  I'm assuming that "-e" and "-p" both take values
>in bytes... Maybe someone can correct me on that?
>
>Can anyone correct me, or give me some troubleshooting direction?
>
>Thanks for the help,
>Ryan
>
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