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SubjectRe: [PATCH] buffer_io_error: Use dev_err_ratelimited
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On 10/28/20 3:45 PM, Tony Asleson wrote:
> On 10/26/20 5:07 PM, Andy Shevchenko wrote:

>>> + dev_err_ratelimited(gendev,
>>> + "Buffer I/O error, logical block %llu%s\n",
>>
>>> + (unsigned long long)bh->b_blocknr, msg);
>>
>> It's a u64 always (via sector_t), do we really need a casting?
>
> That's a good question, grepping around shows *many* instances of this
> being done. I do agree that this doesn't seem to be needed, but maybe
> there is a reason why it's done?

According to this:

https://www.kernel.org/doc/html/v5.9/core-api/printk-formats.html

This should be left as it is, because 'sector_t' is dependent on a
config option.

-Tony

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