xfs: simplify xfs_reflink_convert_cow

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Instead of looking up extents to convert and calling xfs_bmapi_write on
each of them just let xfs_bmapi_write handle the full range.  To make
this robust add a new XFS_BMAPI_CONVERT_ONLY that only converts ranges
and never allocates blocks.

[darrick: shorten the stringified CONVERT_ONLY trace flag]

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 2017-11-03 10:34:44 -07:00 • committed by Darrick J. Wong

parent 41caabd0ab

commit b121459c7a

3 changed files with 18 additions and 20 deletions

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3

fs/xfs/libxfs/xfs_bmap.c

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6

fs/xfs/libxfs/xfs_bmap.h

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29

fs/xfs/xfs_reflink.c

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