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-rw-r--r--fs/nfs/nfs4proc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 35bfcced2c7..1712d0360ee 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2711,11 +2711,15 @@ static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs_client *clp)
might_sleep();
+ rwsem_acquire(&clp->cl_sem.dep_map, 0, 0, _RET_IP_);
+
rpc_clnt_sigmask(clnt, &oldset);
res = wait_on_bit(&clp->cl_state, NFS4CLNT_STATE_RECOVER,
nfs4_wait_bit_interruptible,
TASK_INTERRUPTIBLE);
rpc_clnt_sigunmask(clnt, &oldset);
+
+ rwsem_release(&clp->cl_sem.dep_map, 1, _RET_IP_);
return res;
}