[PATCH v4] mtd: nand: Expand nand_ecc_layout, deprecate ioctl ECCGETLAYOUT

Brian Norris computersforpeace at gmail.com
Mon Sep 20 02:28:32 EDT 2010


Hello,

Now that I've finally gotten around to working on this, I have questions
and comments.

On 9/18/2010 10:24 AM, Artem Bityutskiy wrote:
> On Mon, 2010-08-30 at 13:20 +0300, Artem Bityutskiy wrote:
>> On Tue, 2010-08-24 at 18:12 -0700, Brian Norris wrote:
>>> My e-mail address has changed, since I am no longer working at Broadcom.
>>> I will still be able to track messages to my old account if the MTD mailing
>>> list is CC'd.
>>
>> Oh, does it mean you will stop loving MTD and we won't see steady flow
>> of improvements for you? :-( BTW, I think you have been doing great job
>> - MTD subsystem needs love badly!

No, this doesn't mean I will stop loving MTD, although as may be readily
apparent by my delay, I may work a bit slower :) In fact, I will
probably be picking up some more work shortly.

>>> +/*
>>> + * Copies (and truncates, if necessary) data from the larger struct,
>>> + * nand_ecclayout, to the smaller, deprecated layout struct,
>>> + * nand_ecclayout_user. This is necessary only to suppport the deprecated
>>> + * API ioctl ECCGETLAYOUT while allowing all new functionality to use
>>> + * nand_ecclayout flexibly (i.e. the struct may change size in new
>>> + * releases without requiring major rewrites).
>>> + */
>>
>> I think a similar comment should exist in linux/mtd/mtd.h. Indeed, that
>> file is our API with user-space, and our users will probably look at it,
>> and it is nice to document the situation with 'struct
>> nand_ecclayout_user' there.



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