pnfs/blocklayout: improve GETDEVICEINFO error reporting
authorChristoph Hellwig <hch@lst.de>
Thu, 21 Aug 2014 16:09:27 +0000 (11:09 -0500)
committerTrond Myklebust <trond.myklebust@primarydata.com>
Wed, 10 Sep 2014 19:47:02 +0000 (12:47 -0700)
commit72c5e59f63ceaa604936b1693ba8c4b6cc2b114d
treec6faeade7cf9d2e71a1351d29c922730335a5433
parente3aaf7f2b8e9e858c0d6626577d3456bf6070e5a
pnfs/blocklayout: improve GETDEVICEINFO error reporting

Tell userspace what stage of GETDEVICEINFO failed so that there is a chance
to debug it, especially with the userspace daemon clusterf***k in the block
layout driver.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
fs/nfs/blocklayout/blocklayoutdev.c