[00/13] JFS folio conversion

Message

Matthew Wilcox Feb. 1, 2024, 10:45 p.m. UTC

This patchset removes uses of struct page from the I/O paths of JFS.
write_begin and write_end are still passed a struct page, but they convert
to a folio as their first thing.  The logmgr still uses a struct page,
but I think that's one we actually don't want to convert since it's
never inserted into the page cache.

I've included the removal of i_blocks_per_page() in this series as JFS
is the last user.

Tested with xfstests; some failures observed, but they don't seem to be
related to these patches.  I haven't tried with PAGE_SIZE > 4kB, so the
MPS_PER_PAGE > 1 paths are untested.

Matthew Wilcox (Oracle) (13):
  jfs: Convert metapage_read_folio to use folio APIs
  jfs: Convert metapage_writepage to metapage_write_folio
  jfs: Convert __get_metapage to use a folio
  jfs: Convert insert_metapage() to take a folio
  jfs; Convert release_metapage to use a folio
  jfs: Convert drop_metapage and remove_metapage to take a folio
  jfs: Convert dec_io to take a folio
  jfs; Convert __invalidate_metapages to use a folio
  jfs: Convert page_to_mp to folio_to_mp
  jfs: Convert inc_io and mp_anchor to take a folio
  jfs: Convert force_metapage to use a folio
  jfs: Change metapage->page to metapage->folio
  fs: Remove i_blocks_per_page

 fs/jfs/jfs_logmgr.c     |   2 +-
 fs/jfs/jfs_metapage.c   | 298 ++++++++++++++++++++--------------------
 fs/jfs/jfs_metapage.h   |  16 +--
 include/linux/pagemap.h |   6 -
 4 files changed, 155 insertions(+), 167 deletions(-)