xfs: cleanup xfs_direct_write_iomap_begin

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Move more checks into the helpers that determine if we need a COW
operation or allocation and split the return path for when an existing
data for allocation has been found versus a new allocation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

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Christoph Hellwig 2019-10-19 09:09:47 -07:00 • committed by Darrick J. Wong

parent 12dfb58af6

commit 5c5b6f7585

1 changed files with 46 additions and 42 deletions

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fs/xfs/xfs_iomap.c

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