fsdax: factor out a dax_fault_actor() helper

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The core logic in the two dax page fault functions is similar. So, move
the logic into a common helper function. Also, to facilitate the
addition of new features, such as CoW, switch-case is no longer used to
handle different iomap types.

Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

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Shiyang Ruan 2021-08-10 18:33:15 -07:00 • committed by Darrick J. Wong

parent 55f81639a7

commit c2436190e4

1 changed files with 149 additions and 148 deletions

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fs/dax.c

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