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Date:   Fri, 23 Dec 2022 22:05:05 +0100
From:   Andreas Gr├╝nbacher <andreas.gruenbacher@...il.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Andreas Gruenbacher <agruenba@...hat.com>,
        "Darrick J . Wong" <djwong@...nel.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Matthew Wilcox <willy@...radead.org>,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-ext4@...r.kernel.org, cluster-devel@...hat.com
Subject: Re: [RFC v3 4/7] iomap: Add iomap_folio_prepare helper

Am Fr., 23. Dez. 2022 um 16:22 Uhr schrieb Christoph Hellwig
<hch@...radead.org>:
> > +struct folio *iomap_folio_prepare(struct iomap_iter *iter, loff_t pos)
> > +{
> > +     unsigned fgp = FGP_LOCK | FGP_WRITE | FGP_CREAT | FGP_STABLE | FGP_NOFS;
> > +
> > +     if (iter->flags & IOMAP_NOWAIT)
> > +             fgp |= FGP_NOWAIT;
> > +
> > +     return __filemap_get_folio(iter->inode->i_mapping, pos >> PAGE_SHIFT,
> > +                     fgp, mapping_gfp_mask(iter->inode->i_mapping));
> > +}
> > +EXPORT_SYMBOL(iomap_folio_prepare);
>
> I'd name this __iomap_get_folio to match __filemap_get_folio.

I was looking at it from the filesystem point of view: this helper is
meant to be used in ->folio_prepare() handlers, so
iomap_folio_prepare() seemed to be a better name than
__iomap_get_folio().

> And all iomap exports are EXPORT_SYMBOL_GPL.

Sure.

Thanks,
Andreas

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