[PATCH 2/5] fs/mpage: avoid negative shift for large blocksize

[Hannes Reinecke]

On 5/11/24 00:24, Matthew Wilcox wrote:
> On Fri, May 10, 2024 at 12:29:03PM +0200, hare at kernel.org wrote:
>> -	block_in_file = (sector_t)folio->index << (PAGE_SHIFT - blkbits);
>> +	block_in_file = (sector_t)(((loff_t)folio->index << PAGE_SHIFT) >> blkbits);
> 
> 	block_in_file = folio_pos(folio) >> blkbits;
> 
> 
I know there was a better way. Will be fixing it up.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare at suse.de                                +49 911 74053 688
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