From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 27 Sep 2012 19:44:19 +0000 (-0400)
Subject: NFSv4: Clean up the legacy idmapper upcall
X-Git-Tag: v3.7-rc1~58^2~31^2~1
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9ab41b620e4b679ed069ab05cb85e67870b7c87;p=pandora-kernel.git

NFSv4: Clean up the legacy idmapper upcall

Replace the BUG_ON(idmap->idmap_key_cons != NULL) with a
WARN_ON_ONCE(). Then get rid of the ACCESS_ONCE(idmap->idmap_key_cons).

Then add helper functions for starting, finishing and aborting the
legacy upcall.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Bryan Schumaker <bjschuma@netapp.com>
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