[src/trunk]: src/sys/external/bsd/common/linux Make flush_delayed_work actual...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/86951200f94a
branches:  trunk
changeset: 835401:86951200f94a
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Mon Aug 27 14:48:47 2018 +0000

description:
Make flush_delayed_work actually run it.  Oops.

XXX pullup-7
XXX pullup-8

diffstat:

 sys/external/bsd/common/linux/linux_work.c |  19 ++++++++++++++-----
 1 files changed, 14 insertions(+), 5 deletions(-)

diffs (41 lines):

diff -r 33d0c910e43c -r 86951200f94a sys/external/bsd/common/linux/linux_work.c
--- a/sys/external/bsd/common/linux/linux_work.c        Mon Aug 27 14:48:35 2018 +0000
+++ b/sys/external/bsd/common/linux/linux_work.c        Mon Aug 27 14:48:47 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: linux_work.c,v 1.10 2018/08/27 14:10:54 riastradh Exp $        */
+/*     $NetBSD: linux_work.c,v 1.11 2018/08/27 14:48:47 riastradh Exp $        */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_work.c,v 1.10 2018/08/27 14:10:54 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_work.c,v 1.11 2018/08/27 14:48:47 riastradh Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -894,10 +894,19 @@
 void
 flush_delayed_work(struct delayed_work *dw)
 {
-       struct workqueue_struct *wq = dw->work.w_wq;
 
-       if (wq != NULL)
-               flush_workqueue(wq);
+       if (cancel_delayed_work_sync(dw)) {
+               /*
+                * Cancelled it.  Run it now.
+                *
+                * XXX What if it's supposed to run on a different
+                * workqueue?  Let's just hope it's not...
+                */
+               mod_delayed_work(system_wq, dw, 0);
+               flush_workqueue(system_wq);
+       } else {
+               /* Work ran to completion already.  We're done.  */
+       }
 }
 
 static void