linux-kernel - Re: [PATCH 2/9] fs: Introduce i_blocks_per

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Message-ID: <20200824235534.GC12131@dread.disaster.area>
Date:   Tue, 25 Aug 2020 09:55:34 +1000
From:   Dave Chinner <david@...morbit.com>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH 2/9] fs: Introduce i_blocks_per_page

On Mon, Aug 24, 2020 at 03:55:03PM +0100, Matthew Wilcox (Oracle) wrote:
> This helper is useful for both THPs and for supporting block size larger
> than page size.  Convert all users that I could find (we have a few
> different ways of writing this idiom, and I may have missed some).

There probably is - ISTR having a lot more of these changes for the
block_size > page_size patches as it needed the same {page, inode}
abstraction for calculating the range to iterate. But they can be
dealt with on a case by case basis, I think.

> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Reviewed-by: Christoph Hellwig <hch@....de>
> ---
>  fs/iomap/buffered-io.c  |  8 ++++----
>  fs/jfs/jfs_metapage.c   |  2 +-
>  fs/xfs/xfs_aops.c       |  2 +-
>  include/linux/pagemap.h | 16 ++++++++++++++++
>  4 files changed, 22 insertions(+), 6 deletions(-)

Otherwise looks good.

Reviewed-by: Dave Chinner <dchinner@...hat.com>

-- 
Dave Chinner
david@...morbit.com