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xfs: convert unwritten status of reverse mappings for shared files
authorDarrick J. Wong <darrick.wong@oracle.com>
Tue, 25 Oct 2016 01:46:51 +0000 (12:46 +1100)
committerDave Chinner <david@fromorbit.com>
Tue, 25 Oct 2016 01:46:51 +0000 (12:46 +1100)
commit9c7bc093c30ef17c1fd1ea0d2ba21314436a0565
tree5a582d129e31e1822e6106c8c8b6d54aad620314tree | snapshot
parent6c6bdf6f79822c7303c795b898403ebb100408f7commit | diff
xfs: convert unwritten status of reverse mappings for shared files

Source kernel commit: 3f165b334e51477d2b33ac1c81b39927514daab7

Provide a function to convert an unwritten extent to a real one and
vice versa when shared extents are possible.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
libxfs/xfs_rmap.c diff | blob | blame | history
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