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Subject[PATCH v3 0/3] fsdax: Factor helper functions to simplify the code
From: Shiyang Ruan <>

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].


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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