Subject: [PATCH 4.8 51/92] xprtrdma: use complete() instead complete_all()

From: Greg Kroah-Hartman <[email-masked]>
Date: Thu, 17 Nov 2016 11:32:24 +0100

4.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Daniel Wagner <[email-masked]>

commit 5690a22d8612e1788b48b4ea53c59868589cd2db upstream.

There is only one waiter for the completion, therefore there
is no need to use complete_all(). Let's make that clear by
using complete() instead of complete_all().

The usage pattern of the completion is:

waiter context                          waker context

frwr_op_unmap_sync()
  reinit_completion()
  ib_post_send()
  wait_for_completion()

					frwr_wc_localinv_wake()
					  complete()

Signed-off-by: Daniel Wagner <[email-masked]>
Cc: Anna Schumaker <[email-masked]>
Cc: Trond Myklebust <[email-masked]>
Cc: Chuck Lever <[email-masked]>
Cc: [email-masked]
Cc: [email-masked]
Signed-off-by: Anna Schumaker <[email-masked]>
Signed-off-by: Greg Kroah-Hartman <[email-masked]>

---
 net/sunrpc/xprtrdma/frwr_ops.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -329,7 +329,7 @@ frwr_wc_localinv_wake(struct ib_cq *cq,
 	frmr = container_of(cqe, struct rpcrdma_frmr, fr_cqe);
 	if (wc->status != IB_WC_SUCCESS)
 		__frwr_sendcompletion_flush(wc, frmr, "localinv");
-	complete_all(&frmr->fr_linv_done);
+	complete(&frmr->fr_linv_done);
 }
 
 /* Post a REG_MR Work Request to register a memory region