At the time __svc_rdma_free is called, we are guaranteed that all references
to this transport are gone. There is, therefore, no need to protect the
resource lists with a spin lock.
Signed-off-by: Tom Tucker <tom@xxxxxxxxxxxxxxxxxxxxx>
---
net/sunrpc/xprtrdma/svc_rdma_transport.c | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 6fddd58..7647789 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -1027,7 +1027,6 @@ static void __svc_rdma_free(struct work_struct *work)
* cm_id because the device ptr is needed to unmap the dma in
* svc_rdma_put_context.
*/
- spin_lock_bh(&rdma->sc_read_complete_lock);
while (!list_empty(&rdma->sc_read_complete_q)) {
struct svc_rdma_op_ctxt *ctxt;
ctxt = list_entry(rdma->sc_read_complete_q.next,
@@ -1036,10 +1035,8 @@ static void __svc_rdma_free(struct work_struct *work)
list_del_init(&ctxt->dto_q);
svc_rdma_put_context(ctxt, 1);
}
- spin_unlock_bh(&rdma->sc_read_complete_lock);
/* Destroy queued, but not processed recv completions */
- spin_lock_bh(&rdma->sc_rq_dto_lock);
while (!list_empty(&rdma->sc_rq_dto_q)) {
struct svc_rdma_op_ctxt *ctxt;
ctxt = list_entry(rdma->sc_rq_dto_q.next,
@@ -1048,7 +1045,6 @@ static void __svc_rdma_free(struct work_struct *work)
list_del_init(&ctxt->dto_q);
svc_rdma_put_context(ctxt, 1);
}
- spin_unlock_bh(&rdma->sc_rq_dto_lock);
/* Warn if we leaked a resource or under-referenced */
WARN_ON(atomic_read(&rdma->sc_ctxt_used) != 0);
--
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