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Subject: Re: Is it an atomic operation for writing a page in NAND flash
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Jamie Lokier <jamie@shareable.org>
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Date: Wed, 20 Jan 2010 15:58:23 +0200
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Cc: linux-mtd@lists.infradead.org, Liu Hui <onlyflyer@gmail.com>
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On Wed, 2010-01-20 at 13:41 +0000, Jamie Lokier wrote:
> Liu Hui wrote:
> > This is a question confused me for a long time. As I know, writing a
> > sector for a hard disk is atomic. That is to say, when we are writing
> > a sector to hard disk and power failure happen, the sector will be
> > written completely or not at all.
> 
> Are you sure about that?
> I have never seen a reliable confirmation of it.

Theo sent a longish e-mail some time ago to fs-devel or lkml, explaining
why this almost never true in practice.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)