tree d41f7847f6a185673853d50fd0ceeaecca0fc7ea
parent ceeb9c832eeca5c1c2efc54a38f67283ccb60288
author Darrick J. Wong <darrick.wong@oracle.com> 1475511108 -0700
committer Darrick J. Wong <darrick.wong@oracle.com> 1475709989 -0700

xfs: convert unwritten status of reverse mappings for shared files

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>