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Date: Thu, 7 Dec 2023 13:22:03 +0000
From: Matthew Wilcox <willy@infradead.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] freevxfs: Convert vxfs_immed_read_folio to the new folio
 APIs
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On Wed, Dec 06, 2023 at 09:24:03PM -0800, Christoph Hellwig wrote:
> On Wed, Dec 06, 2023 at 08:46:29PM +0000, Matthew Wilcox (Oracle) wrote:
> > Use folio_fill_tail() and folio_end_read() instead of open-coding them.
> > Add a sanity check in case a folio is allocated above index 0.
> 
> Where do these helpers come from?  Can't find them in Linus' tree.

Is your tree out of date?

0b237047d5a7 for folio_end_read()
$ git describe --contains 0b237047d5a7
v6.7-rc1~90^2~161

folio_fill_tail() appears to only be in akpm's tree for now.  Looks like
it's still in the 'unstable' part for now, so no sha1 for that.