From: Jeff Layton <jlayton@redhat.com>
Date: Sat, 4 Jan 2014 12:18:03 +0000 (-0500)
Subject: sunrpc: don't wait for write before allowing reads from use-gss-proxy file
X-Git-Tag: v3.14-rc1~44^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1654a04cd702fd19c297c36300a6ab834cf8c072;p=pandora-kernel.git

sunrpc: don't wait for write before allowing reads from use-gss-proxy file

It doesn't make much sense to make reads from this procfile hang. As
far as I can tell, only gssproxy itself will open this file and it
never reads from it. Change it to just give the present setting of
sn->use_gss_proxy without waiting for anything.

Note that we do not want to call use_gss_proxy() in this codepath
since an inopportune read of this file could cause it to be disabled
prematurely.

Cc: stable@vger.kernel.org
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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