xfs: refactor xfs_bunmapi_cow

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Split out two helpers for deleting delayed or real extents from the COW fork.
This allows to call them directly from xfs_reflink_cow_end_io once that
function is refactored to iterate the extent tree.  It will also allow
to reuse the delalloc deletion from xfs_bunmapi in the future.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

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Christoph Hellwig 2016-10-20 15:54:14 +11:00 • committed by Dave Chinner

parent 3ba020befe

commit fa5c836ca8

3 changed files with 225 additions and 159 deletions

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374

fs/xfs/libxfs/xfs_bmap.c

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5

fs/xfs/libxfs/xfs_bmap.h

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5

fs/xfs/xfs_reflink.c

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