linux-kernel - Re: [PATCH 2/3] ext4: introduce ext4_error_remove

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, 29 Oct 2012 17:47:36 -0400
From:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Dave Chinner <david@...morbit.com>,
	Tony Luck <tony.luck@...el.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Andi Kleen <andi.kleen@...el.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Kara <jack@...e.cz>,
	"Jun'ichi Nomura" <j-nomura@...jp.nec.com>,
	Akira Fujita <a-fujita@...jp.nec.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 2/3] ext4: introduce ext4_error_remove_page

On Mon, Oct 29, 2012 at 12:07:04PM -0700, Andi Kleen wrote:
> Theodore Ts'o <tytso@....edu> writes:
...
> > Also, if you're going to keep this state in memory, what happens if
> > the inode gets pushed out of memory? 
> 
> You lose the error, just like you do today with any other IO error.
> 
> We had a lot of discussions on this when the memory error handling
> was originally introduced, that was the conclusuion.
> 
> I don't think a special panic knob for this makes sense either.
> We already have multiple panic knobs for memory errors, that
> can be used.

Yes. I understand that adding a new knob is not good.
So this patch uses the existing ext4 knob without adding new one.

Thanks,
Naoya
--
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/