[PATCH v4 0/8] iomap, xfs: improve zero range flushing and lookup

[Brian Foster <bfoster@redhat.com>]

Hi all,

No significant changes in v4. A few whitespace fixes throughout and I've
added some R-b tags from v3 review. Thanks.

Brian

v4:
- Minor whitespace cleanups.
v3: https://lore.kernel.org/linux-fsdevel/20260309134506.167663-1-bfoster@redhat.com/
- Inserted new patches 1-2 to fix up zoned mode zeroing.
- Appended patch 8 to correctly report COW mappings backed by data fork
  holes.
- Various minor fixups to logic, whitespace, comments.
v2: https://lore.kernel.org/linux-fsdevel/20260129155028.141110-1-bfoster@redhat.com/
- Patch 1 from v1 merged separately.
- Fixed up iomap_fill_dirty_folios() call in patch 5.
v1: https://lore.kernel.org/linux-fsdevel/20251016190303.53881-1-bfoster@redhat.com/

Brian Foster (8):
  xfs: fix iomap hole map reporting for zoned zero range
  xfs: flush dirty pagecache over hole in zoned mode zero range
  iomap, xfs: lift zero range hole mapping flush into xfs
  xfs: flush eof folio before insert range size update
  xfs: look up cow fork extent earlier for buffered iomap_begin
  xfs: only flush when COW fork blocks overlap data fork holes
  xfs: replace zero range flush with folio batch
  xfs: report cow mappings with dirty pagecache for iomap zero range

 fs/iomap/buffered-io.c |   6 +-
 fs/xfs/xfs_file.c      |  17 +++++
 fs/xfs/xfs_iomap.c     | 146 +++++++++++++++++++++++++++++++----------
 3 files changed, 130 insertions(+), 39 deletions(-)

-- 
2.52.0