linux-kernel - Re: [PATCH v14 031/138] fs/netfs: Add folio fscache functions

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Date:   Thu, 15 Jul 2021 12:15:42 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     kernel test robot <lkp@...el.com>
Cc:     linux-kernel@...r.kernel.org, kbuild-all@...ts.01.org,
        linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
        Vlastimil Babka <vbabka@...e.cz>,
        William Kucharski <william.kucharski@...cle.com>,
        Christoph Hellwig <hch@....de>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [PATCH v14 031/138] fs/netfs: Add folio fscache functions

On Thu, Jul 15, 2021 at 05:51:26PM +0800, kernel test robot wrote:
>    include/linux/netfs.h: In function 'folio_start_fscache':
> >> include/linux/netfs.h:43:2: error: implicit declaration of function 'folio_set_private_2_flag'; did you mean 'folio_set_private_2'? [-Werror=implicit-function-declaration]
>       43 |  folio_set_private_2_flag(folio);
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~
>          |  folio_set_private_2
>    cc1: some warnings being treated as errors

I'll be folding in this patch:

+++ b/include/linux/netfs.h
@@ -40,7 +40,7 @@ static inline void folio_start_fscache(struct folio *folio)
 {
        VM_BUG_ON_FOLIO(folio_test_private_2(folio), folio);
        folio_get(folio);
-       folio_set_private_2_flag(folio);
+       folio_set_private_2(folio);
 }

 /**