Re: remove the implicit .set_page_dirty default

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On Mon, Jun 14, 2021 at 05:55:30PM +0200, Christoph Hellwig wrote:
> On Mon, Jun 14, 2021 at 05:53:33PM +0200, Christoph Hellwig wrote:
> > On Mon, Jun 14, 2021 at 01:23:22PM +0100, Matthew Wilcox wrote:
> > > i have a somewhat similar series in the works ...
> > > 
> > > https://git.infradead.org/users/willy/pagecache.git/commitdiff/1e7e8c2d82666b55690705d5bbe908e31d437edb
> > > https://git.infradead.org/users/willy/pagecache.git/commitdiff/bf767a4969c0bc6735275ff7457a8082eef4c3fd
> > > 
> > > ... the other patches rather depend on the folio work.
> > 
> > Yes, these looks useful to me as well.
> 
> 
> And in fact I suspect the code in __set_page_dirty_no_writeback should
> really be the default if no ->set_page_dirty is set up.  It is the
> same code as the no-mapping case and really makes sense as the default
> case..

yes; i was even wondering if that should be conditional on one of the
"no writeback" bits in mapping ...



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