linux-kernel - Re: [PATCH 4/4] UBI: replace MTD_UBI_BEB

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Message-ID: <1345042639.3393.150.camel@sauron.fi.intel.com>
Date:	Wed, 15 Aug 2012 17:57:19 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Richard Genoud <richard.genoud@...il.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] UBI: replace MTD_UBI_BEB_LIMIT with user-space
 parameter

On Tue, 2012-07-10 at 18:23 +0200, Richard Genoud wrote:
> This patch provides the possibility to adjust the "maximum expected number of
> bad blocks per 1024 blocks" (max_beb_per1024) for each mtd device.
> 
> The majority of NAND devices have their max_beb_per1024 equal to 20, but
> sometimes it's more.
> Now, we can adjust that via a kernel parameter:
> ubi.mtd=<name|num|path>[,<vid_hdr_offs>[,max_beb_per1024]]
> and via UBI_IOCATT ioctl which is now:
> struct ubi_attach_req {
> 	__s32 ubi_num;
> 	__s32 mtd_num;
> 	__s32 vid_hdr_offset;
> 	__u8 max_beb_per1024;
> 	__s8 padding[11];
> };
> 
> Signed-off-by: Richard Genoud <richard.genoud@...il.com>

Would you please split this patch on 2 - first adds the kernel module
parameter, the second changes the ioctl.

-- 
Best Regards,
Artem Bityutskiy

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