From: Artem Bityutskiy <dedekind1@gmail.com>
To: Joel Reardon <joel@clambassador.com>
Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: determining if a block erasure failed
Date: Tue, 15 May 2012 15:22:48 +0300 [thread overview]
Message-ID: <1337084568.2528.194.camel@sauron.fi.intel.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1205151349580.18866@eristoteles.iwoars.net>
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On Tue, 2012-05-15 at 13:56 +0200, Joel Reardon wrote:
> Ah yes, if wl_wrk is freed in schedule_erase, theres no way to pass it
> back that way.
>
> The reason is that, if erasing a block of keys fails, then those keys may
> remain on the flash device for eternity. While a rare occurance, it may be
> nice to have ubifs perform GC on all main LEBs storing the data nodes that
> can no longer be deleted through key erasure / reencrypt the valid data
> nodes.
Erasure is asynchronous and I do not see an good way to implement your
idea. Do you have a good plan?
--
Best Regards,
Artem Bityutskiy
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prev parent reply other threads:[~2012-05-15 12:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-15 7:53 determining if a block erasure failed Joel Reardon
2012-05-15 11:40 ` Artem Bityutskiy
2012-05-15 11:56 ` Joel Reardon
2012-05-15 12:22 ` Artem Bityutskiy [this message]
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