From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-ig0-f180.google.com ([209.85.213.180]:62830 "EHLO mail-ig0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753862AbaDRSpr (ORCPT ); Fri, 18 Apr 2014 14:45:47 -0400 Received: by mail-ig0-f180.google.com with SMTP id c1so946982igq.1 for ; Fri, 18 Apr 2014 11:45:47 -0700 (PDT) From: Trond Myklebust To: Bruce Fields Cc: linux-nfs@vger.kernel.org Subject: [PATCH 27/70] NFSd: Don't let the laundromat reap clients that are referenced Date: Fri, 18 Apr 2014 14:44:21 -0400 Message-Id: <1397846704-14567-28-git-send-email-trond.myklebust@primarydata.com> In-Reply-To: <1397846704-14567-27-git-send-email-trond.myklebust@primarydata.com> References: <1397846704-14567-1-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-2-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-3-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-4-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-5-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-6-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-7-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-8-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-9-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-10-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-11-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-12-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-13-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-14-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-15-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-16-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-17-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-18-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-19-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-20-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-21-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-22-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-23-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-24-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-25-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-26-git-send-email-trond.myklebust@primarydata.com> <1397846704-14567-27-git-send-email-trond.myklebust@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Signed-off-by: Trond Myklebust --- fs/nfsd/nfs4state.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 273bdddb2458..41314e493110 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3600,6 +3600,9 @@ nfs4_laundromat(struct nfsd_net *nn) clp->cl_clientid.cl_id); continue; } + /* Hey, I'm busy with this guy! */ + if (atomic_read(&clp->cl_refcount) != 0) + continue; list_move(&clp->cl_lru, &reaplist); } spin_unlock(&nn->client_lock); -- 1.9.0