linux-kernel - Re: [PATCH] mtd: ubi: Extend UBI layer debug/messaging capabilities

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Date:	Sun, 28 Sep 2014 11:24:36 +0300
From:	Tanya Brokhman <tlinder@...eaurora.org>
To:	Richard Weinberger <richard@....at>,
	Artem Bityutskiy <dedekind1@...il.com>
CC:	linux-arm-msm@...r.kernel.org,
	open list <linux-kernel@...r.kernel.org>,
	linux-mtd@...ts.infradead.org,
	Brian Norris <computersforpeace@...il.com>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH] mtd: ubi: Extend UBI layer debug/messaging capabilities

On 9/28/2014 11:01 AM, Richard Weinberger wrote:
> Tanya,
>
> Am 28.09.2014 08:36, schrieb Tanya Brokhman:
>> If there is more then one UBI device mounted, there is no way to
>> distinguish between messages from different UBI devices.
>> Add device number to all ubi layer message types.
>>
>>
>> Signed-off-by: Tanya Brokhman <tlinder@...eaurora.org>
>
> Artem's mail is dedekind1@ not dedeking1@. :)

oops.... sorry about that. thanks for the fix.

> Anyway, instead of passing ubi->ubi_num down to every log function you can
> just pass the ubi object itself and let the log function access ->ubi_num.

This is how I first implemented this patch. But then I cam across some 
ubi_err prints during the init process (in build.c ubi_init()) when we 
still don't have the ubi structure, so we need to pass some number to 
the message. I overcame this by using UBI_MAX_DEVICES.


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