diff options
| author |   Tom Tucker <tom@opengridcomputing.com> | 2008-05-28 13:20:24 -0500 |
|---|---|---|
| committer | Tom Tucker <tom@opengridcomputing.com> | 2008-07-02 15:01:57 -0500 |
| commit | 94dba4918d4570bfa98776e54a5fa527c848dc78 (patch) | |
| tree | c861aac6e5eb5eec55be012c71655ba7178445ae /net/sunrpc | |
| parent | svcrdma: Add dma map count and WARN_ON (diff) | |
| download | linux-dev-94dba4918d4570bfa98776e54a5fa527c848dc78.tar.xz linux-dev-94dba4918d4570bfa98776e54a5fa527c848dc78.zip | |
svcrdma: Remove unneeded spin locks from __svc_rdma_free
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@opengridcomputing.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | 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 6fddd588c031..7647789a1f68 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); |