linux-kernel - Re: [PATCH] Add quick erase format option

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 09 Aug 2010 09:37:18 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	"stefani@...bold.net" <stefani@...bold.net>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	Artem Bityutskiy <Artem.Bityutskiy@...ia.com>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	Artem Bityutskiy <dedekind1@...il.com>
Subject: Re: [PATCH] Add quick erase format option

On Mon, 2010-08-09 at 09:25 +0100, stefani@...bold.net wrote:
> From: Stefani Seibold <stefani@...bold.net>
> 
> This patch add a quick format option which skips erasing of already erased
> flash blocks. This is useful for first time production environments where
> the flash arrived erased.
> 
> Signed-off-by: Stefani Seibold <stefani@...bold.net> 

This scares me, given the lengths we had to go to in JFFS2 to cope with
blocks which *look* like they're erased, but which actually start losing
data as soon as you start writing to them because the erase didn't
complete.

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@...el.com                              Intel Corporation


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/