[PATCH v3 0/3] fsdax: Factor helper functions to simplify the code

[Shiyang Ruan]

From: Shiyang Ruan <ruansy.fnst@xxxxxxxxxxxxxx>

The page fault part of fsdax code is little complex. In order to add CoW
feature and make it easy to understand, I was suggested to factor some
helper functions to simplify the current dax code.

This is separated from the previous patchset called "V3 fsdax,xfs: Add
reflink&dedupe support for fsdax", and the previous comments are here[1].

[1]: https://patchwork.kernel.org/project/linux-nvdimm/patch/20210319015237.993880-3-ruansy.fnst@xxxxxxxxxxx/

Changes from V2:
 - fix the type of 'major' in patch 2
 - Rebased on v5.12-rc8

Changes from V1:
 - fix Ritesh's email address
 - simplify return logic in dax_fault_cow_page()

(Rebased on v5.12-rc8)
==

Shiyang Ruan (3):
  fsdax: Factor helpers to simplify dax fault code
  fsdax: Factor helper: dax_fault_actor()
  fsdax: Output address in dax_iomap_pfn() and rename it

 fs/dax.c | 443 +++++++++++++++++++++++++++++--------------------------
 1 file changed, 234 insertions(+), 209 deletions(-)

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2.31.1