Re: [f2fs-dev] [PATCH 0/4] f2fs: Remove uses of writepage

[Jaegeuk Kim via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net>]

On 03/07, Matthew Wilcox (Oracle) wrote:
> I was planning on sending this next cycle, but maybe there's time to
> squeeze these patches into the upcoming merge window?
> 
> f2fs already implements writepages and migrate_folio for all three
> address_space_operations, so either ->writepage will never be called (by
> migration) or it will only be harmful (if called from pageout()).

My tree sitting on [1] doesn't have mm-next, which looks difficult to test this
series for test alone. Matthew, can you point which patches I need to apply
in mm along with this for test?

[1] f286757b644c "Merge tag 'timers-urgent-2025-02-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip"


> 
> The only remaining filesystem with ->writepage defined in next-20250307
> is vboxsf, so the concept of removing ->writepage is well proven.  I
> have some follow-up patches which simplify f2fs writeback afterwards,
> but I think we can postpone them to next cycle.
> 
> See
> https://lore.kernel.org/linux-fsdevel/20250307135414.2987755-1-willy@infradead.org/
> for where we're going; the first four patches in that series are the
> same as the four patches in this series, and I've split them out here
> for your convenience.
> 
> Matthew Wilcox (Oracle) (4):
>   f2fs: Remove check for ->writepage
>   f2fs: Remove f2fs_write_data_page()
>   f2fs: Remove f2fs_write_meta_page()
>   f2fs: Remove f2fs_write_node_page()
> 
>  fs/f2fs/checkpoint.c |  7 -------
>  fs/f2fs/data.c       | 28 ----------------------------
>  fs/f2fs/node.c       |  8 --------
>  3 files changed, 43 deletions(-)
> 
> -- 
> 2.47.2


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