linux-kernel - Re: [patch 13/96] JFFS2: fix mount crash caused by removed nodes

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Date:	Fri, 29 May 2009 12:02:06 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	anees a m <aneesgnu@...il.com>
Cc:	Greg KH <gregkh@...e.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"stable@...nel.org" <stable@...nel.org>,
	Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	Theodore Ts'o <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Michael Krufky <mkrufky@...uxtv.org>,
	Chuck Ebbert <cebbert@...hat.com>,
	Domenico Andreoli <cavokz@...il.com>, Willy Tarreau <w@....eu>,
	Rodrigo Rubira Branco <rbranco@...checkpoint.com>,
	Jake Edge <jake@....net>, Eugene Teo <eteo@...hat.com>,
	"torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"alan@...rguk.ukuu.org.uk" <alan@...rguk.ukuu.org.uk>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [patch 13/96] JFFS2: fix mount crash caused by removed nodes

On Fri, 2009-05-29 at 01:26 -0700, anees a m wrote:
> Iam uses JFFS2 filesystem for an embedded flash device. But when the
> power is removed i between, the JFFS2 filesystem is corrupted.
> Resulting in fails. Iam able to find that the JFFS2 garbage collector
> is causing the problem. If mounted as READ only, I dont have an issue,
> but mounting write only is resulting in corrupted filesystem some
> times.
> 
> Unfortunately I need to mount it with read write support.

Please could you let me know what kernel you are using, on what hardware
-- and show me how this corruption manifests itself. If you could send
it just to me and the linux-mtd@...ts.infradead.org list, that would
probably be best.

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

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