[PATCH v15 00/17] Folio support in block + iomap layers

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This is (almost) everything necessary to support folios in iomap.
No regressions with an xfstests run on my setup.

v15:
 - Turn the / PAGE_SIZE into >> PAGE_SHIFT, as requested by Darrick
 - Modify the for loop to be in Darrick's preferred form
 - Improve documentation of bio_add_folio()
 - Add documentation for bio_for_each_folio_all() and folio_iter
 - Add bio.h to the generated kernel-doc
 - Rebase on top of folio for-next (which includes the iomap changes in -rc2)
   https://git.infradead.org/users/willy/pagecache.git/shortlog/refs/heads/for-next

Matthew Wilcox (Oracle) (17):
  block: Add bio_add_folio()
  block: Add bio_for_each_folio_all()
  iomap: Convert to_iomap_page to take a folio
  iomap: Convert iomap_page_create to take a folio
  iomap: Convert iomap_page_release to take a folio
  iomap: Convert iomap_releasepage to use a folio
  iomap: Convert iomap_invalidatepage to use a folio
  iomap: Pass the iomap_page into iomap_set_range_uptodate
  iomap: Use folio offsets instead of page offsets
  iomap: Convert bio completions to use folios
  iomap: Convert readahead and readpage to use a folio
  iomap: Convert iomap_page_mkwrite to use a folio
  iomap: Convert iomap_write_begin and iomap_write_end to folios
  iomap: Convert iomap_read_inline_data to take a folio
  iomap: Convert iomap_write_end_inline to take a folio
  iomap: Convert iomap_add_to_ioend to take a folio
  iomap: Convert iomap_migrate_page to use folios

 Documentation/core-api/kernel-api.rst |   1 +
 block/bio.c                           |  21 ++
 fs/iomap/buffered-io.c                | 511 +++++++++++++-------------
 include/linux/bio.h                   |  56 ++-
 4 files changed, 327 insertions(+), 262 deletions(-)

-- 
2.30.2




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