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

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Date:   Wed, 21 Jul 2021 12:44:29 +0300
From:   Mike Rapoport <rppt@...nel.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-kernel@...r.kernel.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 04:35:17AM +0100, Matthew Wilcox (Oracle) wrote:
> Match the page writeback functions by adding
> folio_start_fscache(), folio_end_fscache(), folio_wait_fscache() and
> folio_wait_fscache_killable().  Remove set_page_private_2().  Also rewrite
> the kernel-doc to describe when to use the function rather than what the
> function does, and include the kernel-doc in the appropriate rst file.
> Saves 31 bytes of text in netfs_rreq_unlock() due to set_page_fscache()
> calling page_folio() once instead of three times.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Acked-by: Vlastimil Babka <vbabka@...e.cz>
> Reviewed-by: William Kucharski <william.kucharski@...cle.com>
> Reviewed-by: Christoph Hellwig <hch@....de>
> Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> ---
>  Documentation/filesystems/netfs_library.rst |  2 +
>  include/linux/netfs.h                       | 75 +++++++++++++--------
>  include/linux/pagemap.h                     | 16 -----
>  3 files changed, 50 insertions(+), 43 deletions(-)

Acked-by: Mike Rapoport <rppt@...ux.ibm.com>