From: Max Stirling <vicky.irobot@gmail.com>
To: linux-mtd@lists.infradead.org
Subject: Re: mtd block readonly low level nand driver cramfs
Date: Mon, 28 Jan 2008 02:40:20 -0500 [thread overview]
Message-ID: <479D86E4.30903@gmail.com> (raw)
In-Reply-To: <6a61dac20801270054t19e2af20o1211490d104110a9@mail.gmail.com>
Max Stirling wrote:
> I was looking at the chips folder under MTD and the MTD_ROM flag settings.
>
> I got this idea of having this low level driver code under chips with
> the MTD_ROM flag set and mounting this for cramfs.
>
> Please comment, especially folks using the RO FS mounted on flash.
>
> MS
>
> On Jan 24, 2008 3:12 PM, Max Stirling <vicky.irobot@gmail.com> wrote:
>
>> Hi,
>>
>> This might sound quite basic question. This is the first time I am
>> looking into the MTD code so have some really basic questions.
>>
>> I am trying to mount a read only fs (cramfs) on the flash. Please let me
>> know if the following steps are right:
>>
>> 1. Enabled the following in the Kconfig files
>> CONFIG_MTD_PARITIONS
>> CONFIG_MTD
>> CONFIG_MTD_BLOCK_RO
>> CONFIG_MTD_NAND
>> CONFIG_MTD_NAND_IDS
>>
>>
>> After booting the compiled kernel I am able to see the mtdblock under
>> /proc/devices using 31 Major number.
>>
>> Now for me to mount the cramfs image that is on the flash I need to
>> provide the low level nand driver code. This I need to write but before
>> starting that can any one point me to a reference nand driver code that
>> is used for read only mount? Which functionality would the MTD require
>> to be implemented for mounting a cramfs image which is on the flash.
>>
>> Would appreciate any pointers to how to get started off with this.
>>
>> thanks in advance for the reply.
>>
>> M.S
>>
>>
>>
When using the cramfs as the fs for the flash and mtdblock_ro enabled.
Which one should I be calling the user module, the cramfs or the
mtdblock_ro?
next prev parent reply other threads:[~2008-01-28 7:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-24 9:42 mtd block readonly low level nand driver cramfs Max Stirling
2008-01-27 8:54 ` Max Stirling
2008-01-28 7:40 ` Max Stirling [this message]
2008-01-30 6:37 ` Max Stirling
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