tree 37792cc32fef4ac1dfdb40049bd041f8259f2dda
parent 4847acf868bb426455c8b703c80ed5fc5e2ee556
author Darrick J. Wong <darrick.wong@oracle.com> 1475511088 -0700
committer Darrick J. Wong <darrick.wong@oracle.com> 1475604344 -0700

xfs: implement deferred bmbt map/unmap operations

Implement deferred versions of the inode block map/unmap functions.
These will be used in subsequent patches to make reflink operations
atomic.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>