From: Artem Bityutskiy <dedekind@infradead.org>
To: Konstantin Baydarov <kbaidarov@dev.rtsoft.ru>
Cc: linux-mtd@lists.infradead.org
Subject: Re: [PATCH] [MTD] NAND: Lazily BBT construction
Date: Fri, 24 Nov 2006 15:05:50 +0200 [thread overview]
Message-ID: <1164373550.576.13.camel@sauron> (raw)
In-Reply-To: <20061124154210.6303c9fe@localhost.localdomain>
On Fri, 2006-11-24 at 15:42 +0300, Konstantin Baydarov wrote:
> This is the implementation of lazy BBT construction. It introduces
> a new config option that allows to construct BBT(bad block table)
> lazily for NAND chips with memory based BBT.
> The main goal of the feature introduced is to decrease boot time.
> How it works: BBT is filled only when we check if block is bad. NAND
> is
> scanned and BBT entries is constructed from topmost unscanned block to
> requested.
> By default BBT is constructed during boot. To enable lazily
> construction NAND_LAZY_BBT bit should be set in options field of
> structure nand_chip.
Also, the 3rd question.
3. Why don't you use on-flash BBT if you are not satisfied with in-RAM
BBT?
--
Best regards,
Artem Bityutskiy (Битюцкий Артём)
next prev parent reply other threads:[~2006-11-24 13:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-24 12:42 [PATCH] [MTD] NAND: Lazily BBT construction Konstantin Baydarov
2006-11-24 13:01 ` Artem Bityutskiy
2006-11-24 13:11 ` Vitaly Wool
2006-11-24 15:42 ` Artem Bityutskiy
2006-11-24 13:05 ` Artem Bityutskiy [this message]
2006-11-24 13:56 ` Konstantin Baydarov
2006-11-24 15:45 ` Artem Bityutskiy
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