From: Artem Bityutskiy <dedekind@infradead.org>
To: John Smith <john.smith@arrows.demon.co.uk>
Cc: linux-mtd@lists.infradead.org
Subject: Re: UBI: Can I boot with an UBI volume holding a root file system?
Date: Sun, 06 May 2007 14:55:35 +0300 [thread overview]
Message-ID: <1178452535.3708.3.camel@sauron> (raw)
In-Reply-To: <loom.20070506T124743-262@post.gmane.org>
On Sun, 2007-05-06 at 11:25 +0000, John Smith wrote:
> I have not done anything explicit about alignment. Have I just been lucky
> because my NAND device works in pages of 512 bytes? The squashfs block size is
> currently 65536 bytes, though may be the word block is describing a different
> concept. Perhaps it would be best to make the squashfs block size the same size
> as the UBI logical erase block size.
Yeah, you probably do not need alignment. mtdblock emulates 512-byte
block device, and since you have NAND, you have 512-bytes-aligned
logical eraseblocks, so everything is fine. But you would need to
specify 512-byte alignment if you had NOR flash, for example.
--
Best regards,
Artem Bityutskiy (Битюцкий Артём)
prev parent reply other threads:[~2007-05-06 11:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-04 22:42 UBI: Can I boot with an UBI volume holding a root file system? John Smith
2007-05-05 11:51 ` Artem Bityutskiy
2007-05-05 14:08 ` Artem Bityutskiy
2007-05-06 11:25 ` John Smith
2007-05-06 11:55 ` Artem Bityutskiy [this message]
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