xfs: reflink can skip remap existing mappings

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If the source and destination map are identical, we can skip the remap
step to save some time.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>

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Darrick J. Wong 2020-06-29 14:47:19 -07:00

parent 94b941fd7a

commit 168eae803c

1 changed files with 16 additions and 0 deletions

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fs/xfs/xfs_reflink.c

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