[PATCH v4 0/9] iomap: buffered io changes

[Joanne Koong <joannelkoong@gmail.com>]

This series is on top of the vfs-6.19.iomap branch (head commit ca3557a68684)
in Christian's vfs tree.

Thanks,
Joanne

Changelog
---------

v3: https://lore.kernel.org/linux-fsdevel/20251104205119.1600045-1-joannelkoong@gmail.com/
v3 -> v4:
* Add patch 1 for renaming bytes_pending/bytes_accounted
* Fix bug in patch 5 to account for the case where the folio has an ifs but
  iomap_read_init() was never called.
* Add Darrick's Reviewed-bys
* Rebase

v2: https://lore.kernel.org/linux-fsdevel/20251021164353.3854086-1-joannelkoong@gmail.com/
v2 -> v3:
* Fix race when writing back all bytes of a folio (patch 3)
* Rename from bytes_pending to bytes_submitted (patch 3)
* Add more comments about logic (patch 3)
* Change bytes_submitted from unsigned to size_t (patch 3) (Matthew)

v1: https://lore.kernel.org/linux-fsdevel/20251009225611.3744728-1-joannelkoong@gmail.com/
v1 -> v2:
* Incorporate Christoph's feedback (drop non-block-aligned writes patch, fix
  bitmap scanning function comments, use more concise variable name, etc)
* For loff_t patch, fix up .writeback_range() callback for zonefs, gfs2, and
  block 

Joanne Koong (9):
  iomap: rename bytes_pending/bytes_accounted to
    bytes_submitted/bytes_not_submitted
  iomap: account for unaligned end offsets when truncating read range
  docs: document iomap writeback's iomap_finish_folio_write()
    requirement
  iomap: optimize pending async writeback accounting
  iomap: simplify ->read_folio_range() error handling for reads
  iomap: simplify when reads can be skipped for writes
  iomap: use loff_t for file positions and offsets in writeback code
  iomap: use find_next_bit() for dirty bitmap scanning
  iomap: use find_next_bit() for uptodate bitmap scanning

 .../filesystems/iomap/operations.rst          |  10 +-
 block/fops.c                                  |   3 +-
 fs/fuse/file.c                                |  18 +-
 fs/gfs2/bmap.c                                |   3 +-
 fs/iomap/buffered-io.c                        | 307 +++++++++++-------
 fs/iomap/ioend.c                              |   2 -
 fs/xfs/xfs_aops.c                             |   8 +-
 fs/zonefs/file.c                              |   3 +-
 include/linux/iomap.h                         |  15 +-
 9 files changed, 219 insertions(+), 150 deletions(-)

-- 
2.47.3