tree 00f81f6bead7fb6acf3b08465c4c501c6a15bc3d
parent 8067253c8cc531b6f367b9f5942bdc6168385701
author Christoph Hellwig <hch@lst.de> 1410362615 -0700
committer Trond Myklebust <trond.myklebust@primarydata.com> 1410378423 -0700

pnfs/blocklayout: implement the return_range method

This allows removing extents from the extent tree especially on truncate
operations, and thus fixing reads from truncated and re-extended that
previously returned stale data.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>