Re: [RFC PATCH 29/34] power/swap: use bio_new in hib_submit_io

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On 2/17/21 14:03, Pavel Machek wrote:
> Hi!
>> diff --git a/kernel/power/swap.c b/kernel/power/swap.c
>> index c73f2e295167..e92e36c053a6 100644
>> --- a/kernel/power/swap.c
>> +++ b/kernel/power/swap.c
>> @@ -271,13 +271,12 @@ static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr,
>>  		struct hib_bio_batch *hb)
>>  {
>>  	struct page *page = virt_to_page(addr);
>> +	sector_t sect = page_off * (PAGE_SIZE >> 9);
>>  	struct bio *bio;
>>  	int error = 0;
>>  
>> -	bio = bio_alloc(GFP_NOIO | __GFP_HIGH, 1);
>> -	bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9);
>> -	bio_set_dev(bio, hib_resume_bdev);
>> -	bio_set_op_attrs(bio, op, op_flags);
>> +	bio = bio_new(hib_resume_bdev, sect, op, op_flags, 1,
>> +		      GFP_NOIO | __GFP_HIGH);
>>  
> C function with 6 arguments... dunno. Old version looks comparable or
> even more readable...
>
> Best regards,
> 							Pavel
The library functions that are in the kernel tree which are used
in different file-systems and fabrics drivers do take 6 arguments.

Plus what is the point of duplicating code for mandatory
parameters all over the kernel ?





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