Re: [PATCH v5 07/11] iomap: fix iomap_dio_zero() for fs bs > system page size

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On Tue, May 07, 2024 at 09:13:17AM -0700, Christoph Hellwig wrote:
> On Tue, May 07, 2024 at 05:11:58PM +0100, Matthew Wilcox wrote:
> > > 	__bio_add_page(bio, page, len, 0);
> > 
> > no?  len can be > PAGE_SIZE.
> 
> Yes. So what?

the zero_page is only PAGE_SIZE bytes long.  so you'd be writing
from the page that's after the zero page, whatever contents that has.




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