[PATCH 27/70] NFSd: Don't let the laundromat reap clients that are referenced

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Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
 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

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