[PATCHSETS v2] v14 fsdax-rmap + v11 fsdax-reflink

[Shiyang Ruan]

 Changes since v1[1]:
  1. Rebased to mm-unstable, solved many conflicts

[1] https://lore.kernel.org/linux-xfs/20220508143620.1775214-1-ruansy.fnst@xxxxxxxxxxx/


This is an *updated* combination of two patchsets:
 1.fsdax-rmap: https://lore.kernel.org/linux-xfs/20220419045045.1664996-1-ruansy.fnst@xxxxxxxxxxx/
 2.fsdax-reflink: https://lore.kernel.org/linux-xfs/20210928062311.4012070-1-ruansy.fnst@xxxxxxxxxxx/


==
Shiyang Ruan (14):
  dax: Introduce holder for dax_device
  mm: factor helpers for memory_failure_dev_pagemap
  pagemap,pmem: Introduce ->memory_failure()
  fsdax: Introduce dax_lock_mapping_entry()
  mm: Introduce mf_dax_kill_procs() for fsdax case
  xfs: Implement ->notify_failure() for XFS
  fsdax: set a CoW flag when associate reflink mappings
  fsdax: Output address in dax_iomap_pfn() and rename it
  fsdax: Introduce dax_iomap_cow_copy()
  fsdax: Replace mmap entry in case of CoW
  fsdax: Add dax_iomap_cow_copy() for dax zero
  fsdax: Dedup file range to use a compare function
  xfs: support CoW in fsdax mode
  xfs: Add dax dedupe support

 drivers/dax/super.c         |  67 +++++-
 drivers/md/dm.c             |   2 +-
 drivers/nvdimm/pmem.c       |  17 ++
 fs/dax.c                    | 399 ++++++++++++++++++++++++++++++------
 fs/erofs/super.c            |  10 +-
 fs/ext2/super.c             |   7 +-
 fs/ext4/super.c             |   9 +-
 fs/remap_range.c            |  31 ++-
 fs/xfs/Makefile             |   5 +
 fs/xfs/xfs_buf.c            |  10 +-
 fs/xfs/xfs_file.c           |  35 +++-
 fs/xfs/xfs_fsops.c          |   3 +
 fs/xfs/xfs_inode.c          |  69 ++++++-
 fs/xfs/xfs_inode.h          |   1 +
 fs/xfs/xfs_iomap.c          |  30 ++-
 fs/xfs/xfs_iomap.h          |   1 +
 fs/xfs/xfs_mount.h          |   1 +
 fs/xfs/xfs_notify_failure.c | 220 ++++++++++++++++++++
 fs/xfs/xfs_reflink.c        |  12 +-
 fs/xfs/xfs_super.h          |   1 +
 include/linux/dax.h         |  56 ++++-
 include/linux/fs.h          |  12 +-
 include/linux/memremap.h    |  12 ++
 include/linux/mm.h          |   2 +
 include/linux/page-flags.h  |   6 +
 mm/memory-failure.c         | 265 +++++++++++++++++-------
 26 files changed, 1098 insertions(+), 185 deletions(-)
 create mode 100644 fs/xfs/xfs_notify_failure.c

-- 
2.36.1