linux-kernel - Re: [PATCH v2 0/7] Convert to filemap_get_folios

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Date:   Tue, 23 Aug 2022 19:26:42 +0200
From:   David Sterba <dsterba@...e.cz>
To:     "Vishal Moola (Oracle)" <vishal.moola@...il.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-nilfs@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/7] Convert to filemap_get_folios_contig()

On Tue, Aug 16, 2022 at 10:52:39AM -0700, Vishal Moola (Oracle) wrote:
> This patch series replaces find_get_pages_contig() with
> filemap_get_folios_contig(). I've run xfstests on btrfs. I've also
> tested the ramfs changes. I ran some xfstests on nilfs2, and its
> seemingly fine although more testing may be beneficial.
> ---
> 
> v2:
>   - Removed an unused label in nilfs2
> 
> Vishal Moola (Oracle) (7):
>   filemap: Add filemap_get_folios_contig()
>   btrfs: Convert __process_pages_contig() to use
>     filemap_get_folios_contig()
>   btrfs: Convert end_compressed_writeback() to use filemap_get_folios()
>   btrfs: Convert process_page_range() to use filemap_get_folios_contig()
>   nilfs2: Convert nilfs_find_uncommited_extent() to use
>     filemap_get_folios_contig()
>   ramfs: Convert ramfs_nommu_get_unmapped_area() to use
>     filemap_get_folios_contig()
>   filemap: Remove find_get_pages_contig()
> 
>  fs/btrfs/compression.c           | 26 ++++++------
>  fs/btrfs/extent_io.c             | 33 +++++++--------
>  fs/btrfs/subpage.c               |  2 +-
>  fs/btrfs/tests/extent-io-tests.c | 31 +++++++-------

I've tested the whole branch in my fstest setup, no issues found and
did a light review of the code changes, looks ok as well.

How do you want get the patches merged? As it's an API conversion I can
ack it and let it go via the mm tree. So far there are no conflicts with
our btrfs development patches, I assume it'll be a clean merge in the
future too.

>  fs/nilfs2/page.c                 | 39 ++++++++----------
>  fs/ramfs/file-nommu.c            | 50 ++++++++++++----------
>  include/linux/pagemap.h          |  4 +-
>  mm/filemap.c                     | 71 +++++++++++++++++++-------------
>  8 files changed, 134 insertions(+), 122 deletions(-)
> 
> -- 
> 2.36.1