Re: [f2fs-dev] [PATCH v2 00/14] f2fs: support & optimize large folios for writable files

[Jaegeuk Kim <jaegeuk@kernel.org>]

Hi Nanzhe, are you going to submit v3 soon?

Thanks,

On 09/15, Nanzhe Zhao via Linux-f2fs-devel wrote:
> This series supports large folios for most readable/writable files
> in buffered I/O paths, including normal files, block-layer encrypted
> files, and atomic files except for inline-data files, compressed files,
> and quota files.
> 
> It also extends f2fs_folio_state to coexist with f2fs page-private
> flags and to handle large folio write path and partial truncate of
> large folios correctly.
> 
> Benchmark details can be found in the RFC v2 cover letter [1].
> 
> [1] https://lore.kernel.org/r/20260622160830.324455-1-zhaonanzhe@xiaomi.com
> 
> Changes in v2:
> - Addressed most of Chao's and Daeho's review comments.
> - Updated docs for compress policy with large folios.
> - Link to v1: https://lore.kernel.org/r/20260826082641.2007658-1-zhaonanzhe@xiaomi.com
> 
> Many thanks to Chao and Daeho for your extensive reviews and valuable
> suggestions!
> 
> Nanzhe Zhao (14):
>   f2fs: extend folio state for large folio write path
>   f2fs: carry subpage offset and count in write IO
>   f2fs: support regular file buffered writes on large folios
>   f2fs: support atomic file large folios buffered write
>   f2fs: support large folio writeback
>   f2fs: prepare mmap write faults for large folios
>   f2fs: make GC migration large-folio aware
>   f2fs: optimize small block size large folio read
>   f2fs: support partial uptodate large folio read
>   f2fs: handle partial truncate of large folio dirty subpages
>   f2fs: fix zeroing paths for large folios
>   f2fs: handle block cloning within the same large folio
>   f2fs: allow large folio support to writeable files
>   f2fs: make compressed files compatible with large folio
> 
>  Documentation/filesystems/f2fs.rst |   10 +
>  fs/f2fs/checkpoint.c               |    2 +
>  fs/f2fs/compress.c                 |    3 +
>  fs/f2fs/data.c                     | 1221 +++++++++++++++++++++++++---
>  fs/f2fs/f2fs.h                     |  105 ++-
>  fs/f2fs/file.c                     |  229 ++++--
>  fs/f2fs/gc.c                       |   32 +-
>  fs/f2fs/inline.c                   |    7 +
>  fs/f2fs/inode.c                    |    4 +-
>  fs/f2fs/namei.c                    |    1 +
>  fs/f2fs/node.c                     |    2 +
>  fs/f2fs/segment.c                  |    6 +-
>  12 files changed, 1404 insertions(+), 218 deletions(-)
> 
> -- 
> 2.43.0
> 
> 
> 
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