linux-kernel - Re: [PATCH] ARM: socfpga_defconfig: enable support for large block devices

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Message-ID: <3009a98f-362a-9095-f7f0-bb6ae4f742d4@kernel.org>
Date:   Wed, 27 Feb 2019 09:27:08 -0600
From:   Dinh Nguyen <dinguyen@...nel.org>
To:     Andrey Zhizhikin <andrey.z@...il.com>
Cc:     linux@...linux.org.uk, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: socfpga_defconfig: enable support for large block
 devices



On 2/25/19 12:55 PM, Andrey Zhizhikin wrote:
> Hello Dinh,
> 
> On Mon, Feb 25, 2019 at 5:35 PM Dinh Nguyen <dinguyen@...nel.org> wrote:
>>
>> Hi Andrey,
>>
>> On 2/22/19 6:21 AM, Andrey Zhizhikin wrote:
>>> Enable CONFIG_LBDAF, which is required by ext4 fs. This option could
>>> hanle both ext3 and ext4, and ex4 requires this option to be enabled,
>>> otherwise the filesystem is mounted RO mode.
>>>
>>> Signed-off-by: Andrey Zhizhikin <andrey.z@...il.com>
>>> ---
>>>  arch/arm/configs/socfpga_defconfig | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm/configs/socfpga_defconfig b/arch/arm/configs/socfpga_defconfig
>>> index 08d1b3e11d68..b4b387486cd9 100644
>>> --- a/arch/arm/configs/socfpga_defconfig
>>> +++ b/arch/arm/configs/socfpga_defconfig
>>> @@ -21,7 +21,7 @@ CONFIG_NEON=y
>>>  CONFIG_OPROFILE=y
>>>  CONFIG_MODULES=y
>>>  CONFIG_MODULE_UNLOAD=y
>>> -# CONFIG_LBDAF is not set
>>
>> CONFIG_LDBAF is turned on by default for 32-bit. So all you have to do
>> is remove this line.
> 
> Thanks a lot for clarifications here! I suspected that it was the
> case, just needed a confirmation here.
> Is it possible we would have this config option enabled for
> socfpga_defconfig? If you would agree, then I prepare a separate patch
> to have the "CONFIG_LBDAF is not set" removed.

Yes, that's what I was alluding to.

Dinh