Re: [RFC PATCH 02/11] pagemap: add mapping_clear_large_folios() wrapper

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On Tue, Dec 13, 2022 at 11:33:54AM -0800, Eric Biggers wrote:
> On Tue, Dec 13, 2022 at 05:55:22PM +0000, Matthew Wilcox wrote:
> > I'm happy to work with you to add support for large folios to verity.
> > It hasn't been high priority for me, but I'm now working on folio support
> > for bufferhead filesystems and this would probably fit in.
> 
> I'd be very interested to know what else is needed after commit 98dc08bae678
> ("fsverity: stop using PG_error to track error status") which is upstream now,
> and
> https://lore.kernel.org/linux-fsdevel/20221028224539.171818-1-ebiggers@xxxxxxxxxx/T/#u
> ("fsverity: support for non-4K pages") which is planned for 6.3.

Did you change the bio interfaces to iterate a bvec full of
variable sized folios, or does it still expect a bio to only have
PAGE_SIZE pages attached to it?

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx



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