xprtrdma: Remove rpcrdma_buffer_get_req_locked()
Clean up. There is only one call-site for this helper, and it can be
simplified by using list_first_entry_or_null().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 601b78b..b9a6e5d 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1175,17 +1175,6 @@ rpcrdma_buffer_create(struct rpcrdma_xprt *r_xprt)
return rc;
}
-static struct rpcrdma_req *
-rpcrdma_buffer_get_req_locked(struct rpcrdma_buffer *buf)
-{
- struct rpcrdma_req *req;
-
- req = list_first_entry(&buf->rb_send_bufs,
- struct rpcrdma_req, rl_list);
- list_del_init(&req->rl_list);
- return req;
-}
-
static struct rpcrdma_rep *
rpcrdma_buffer_get_rep_locked(struct rpcrdma_buffer *buf)
{
@@ -1351,15 +1340,12 @@ rpcrdma_buffer_get(struct rpcrdma_buffer *buffers)
struct rpcrdma_req *req;
spin_lock(&buffers->rb_lock);
- if (unlikely(list_empty(&buffers->rb_send_bufs)))
- goto out_noreqs;
- req = rpcrdma_buffer_get_req_locked(buffers);
+ req = list_first_entry_or_null(&buffers->rb_send_bufs,
+ struct rpcrdma_req, rl_list);
+ if (req)
+ list_del_init(&req->rl_list);
spin_unlock(&buffers->rb_lock);
return req;
-
-out_noreqs:
- spin_unlock(&buffers->rb_lock);
- return NULL;
}
/**