linux-kernel - Re: [PATCH RFC 00/17] ubifs: Add filesystem repair support

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Date: Wed, 3 Jan 2024 13:55:34 +0100 (CET)
From: Richard Weinberger <richard@....at>
To: chengzhihao1 <chengzhihao1@...wei.com>
Cc: david oberhollenzer <david.oberhollenzer@...ma-star.at>, 
	Miquel Raynal <miquel.raynal@...tlin.com>, 
	Sascha Hauer <s.hauer@...gutronix.de>, 
	Tudor Ambarus <Tudor.Ambarus@...aro.org>, 
	linux-kernel <linux-kernel@...r.kernel.org>, 
	linux-mtd <linux-mtd@...ts.infradead.org>
Subject: Re: [PATCH RFC 00/17] ubifs: Add filesystem repair support

----- Ursprüngliche Mail -----
> Von: "chengzhihao1" <chengzhihao1@...wei.com>
> How about merging 3(a) and 3(b) as one mode(dangerous mode)? If fsck can
> get a good TNC(all non-leaf index nodes are valid), fsck executes as
> 3(a) describes. If fsck cannot find a good TNC, fsck executes as 3(b)
> and reminds user that "TNC is damaged, nodes dropping is not awared".

Well, you can make all modes combinable.
Right now I don't care much about the user interface.
But offering much flexibility is a worthwhile goal.

At the end it should be crystal clear to the user of fsck.ubifs whether
it fixed the file system by applying dangerous methods or not.

Want I want to avoid by all means is a tool which blindly alters
the filesystem just to stop UBIFS complaining about it.

Thanks,
//richard