From: David Woodhouse <dwmw2@infradead.org>
To: Studying MTD <studying_mtd@yahoo.com>
Cc: linux-mtd <linux-mtd@lists.infradead.org>
Subject: Re: FAT for NAND Flash
Date: Thu, 16 May 2002 15:24:17 +0100 [thread overview]
Message-ID: <15117.1021559057@redhat.com> (raw)
In-Reply-To: <20020516141410.72690.qmail@web21509.mail.yahoo.com>
studying_mtd@yahoo.com said:
> 1. Is it possible to use FAT filesystem with NAND Flash.
Not directly. You need to use a translation layer on the NAND flash to make
it emulate a normal hard drive, on which you can put any normal file system.
> 2. What are the advantages and disadvantages of using FAT with NAND
> Flash.
You end up with a file system on top of another pseudo-filesystem which is
doing the hard drive emulation for you. Ideally, both of them need to do
their own journalling to ensure consistency at each level -- that's why
it's better just to have a file system that's designed to run on flash.
We aren't running DOS any more. We don't need to pretend to be a hard drive
just so that we can provide an INT 13h handler and have it 'just work'.
> 3. What is the difference between SmartMedia DOS-FAT and ordinary Fat
> filesystem.
AFAIK nothing. SmartMedia has a translation layer just like FTL and NFTL,
and you put a normal FAT file system on top of that.
--
dwmw2
next prev parent reply other threads:[~2002-05-16 14:24 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-16 14:14 FAT for NAND Flash Studying MTD
2002-05-16 14:24 ` David Woodhouse [this message]
2002-05-16 14:46 ` Studying MTD
2002-05-16 15:08 ` David Woodhouse
2002-05-16 16:31 ` Paul
2002-05-16 17:35 ` David Woodhouse
2002-05-16 20:34 ` Paul
2002-05-17 6:03 ` David Woodhouse
2002-05-17 6:40 ` Paul
2002-05-18 5:16 ` Yong-iL Joh
2000-01-12 11:37 ` Thomas Gleixner
2002-05-18 7:19 ` David Woodhouse
2002-05-19 23:58 ` FAT for NAND Flash --> Use of OOB Charles Manning
2002-05-17 13:44 ` FAT for NAND Flash Studying MTD
2002-05-17 13:50 ` David Woodhouse
2002-05-17 14:00 ` Studying MTD
2002-05-17 14:39 ` David Woodhouse
2002-05-17 16:19 ` Studying MTD
2002-05-18 16:00 ` David Woodhouse
2002-05-18 17:53 ` Studying MTD
2002-05-18 18:20 ` Studying MTD
2002-05-19 9:34 ` David Woodhouse
2002-05-19 23:26 ` Newby question Charles Manning
2002-05-20 6:49 ` David Woodhouse
2002-05-20 7:48 ` Newby question --> source tree management Charles Manning
2002-05-18 5:13 ` FAT for NAND Flash Yong-iL Joh
2002-05-18 15:30 ` Studying MTD
2002-05-20 3:39 ` Yong-iL Joh
2002-05-20 11:36 ` Studying MTD
2002-05-21 10:52 ` Yong-iL Joh
2002-05-21 22:36 ` Charles Manning
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