From: Jeff Layton <jlayton@redhat.com>
Date: Thu, 29 Mar 2012 11:52:49 +0000 (-0400)
Subject: nfsd: only register cld pipe notifier when CONFIG_NFSD_V4 is enabled
X-Git-Tag: v3.4-rc1~40^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=797a9d797f8483bb67f265c761b76dcd5a077a23;p=pandora-kernel.git

nfsd: only register cld pipe notifier when CONFIG_NFSD_V4 is enabled

Otherwise, we get a warning or error similar to this when building with
CONFIG_NFSD_V4 disabled:

    ERROR: "nfsd4_cld_block" [fs/nfsd/nfsd.ko] undefined!

Fix this by wrapping the calls to rpc_pipefs_notifier_register and
..._unregister in another function and providing no-op replacements
when CONFIG_NFSD_V4 is disabled.

Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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