From: Artem Bityutskiy <dedekind1@gmail.com>
To: Jamie Lokier <jamie@shareable.org>
Cc: linux-mtd@lists.infradead.org, Liu Hui <onlyflyer@gmail.com>
Subject: Re: Is it an atomic operation for writing a page in NAND flash
Date: Wed, 20 Jan 2010 15:58:23 +0200 [thread overview]
Message-ID: <1263995903.3046.2.camel@localhost> (raw)
In-Reply-To: <20100120134142.GE30789@shareable.org>
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)
next prev parent reply other threads:[~2010-01-20 14:00 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-20 9:58 Is it an atomic operation for writing a page in NAND flash Liu Hui
2010-01-20 10:13 ` Ricard Wanderlof
2010-01-20 13:11 ` Liu Hui
2010-01-20 13:33 ` Jamie Lokier
2010-01-20 14:25 ` Liu Hui
2010-01-20 14:54 ` Ricard Wanderlof
2010-01-20 15:11 ` Liu Hui
2010-01-20 16:09 ` Ricard Wanderlof
2010-01-21 1:37 ` Liu Hui
2010-01-20 16:17 ` David Parkinson
2010-01-20 16:35 ` Ricard Wanderlof
2010-01-20 23:08 ` Charles Manning
2010-01-20 13:41 ` Jamie Lokier
2010-01-20 13:58 ` Artem Bityutskiy [this message]
2010-01-20 14:06 ` Liu Hui
2010-01-20 14:38 ` Artem Bityutskiy
2010-01-20 14:46 ` Artem Bityutskiy
2010-01-20 14:52 ` Liu Hui
2010-01-20 14:01 ` Liu Hui
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