From: Jeff Layton <jlayton@primarydata.com>
Date: Tue, 8 Jul 2014 18:02:50 +0000 (-0400)
Subject: nfsd: reduce some spinlocking in put_client_renew
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~101^2~124
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6c249b4d4cfef894cbda224a7a063d17aacb60a;p=pandora-kernel.git

nfsd: reduce some spinlocking in put_client_renew

No need to take the lock unless the count goes to 0.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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