From d6c249b4d4cfef894cbda224a7a063d17aacb60a Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@primarydata.com>
Date: Tue, 8 Jul 2014 14:02:50 -0400
Subject: [PATCH] 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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Reading git-format-patch failed