Re: 2.5.70-bk16 - nfs interferes with s4bios suspend

From: Pavel Machek (pavel@ucw.cz)
Date: Sun Jun 15 2003 - 18:16:56 EST

Hi!

> > > then it kept unfreezing my tasks till the following debug stuff
> > > came up:
> >
> > Do you volunteer to test the patches?
>
> Yup. :)

Try this and let me know.

--- /usr/src/tmp/linux/fs/lockd/svc.c 2003-02-15 18:51:27.000000000 +0100
+++ /usr/src/linux/fs/lockd/svc.c 2003-06-15 20:17:30.000000000 +0200
@@ -34,6 +34,7 @@
 #include <linux/sunrpc/svcsock.h>
 #include <linux/lockd/lockd.h>
 #include <linux/nfs.h>
+#include <linux/suspend.h>
 
 #define NLMDBG_FACILITY NLMDBG_SVC
 #define LOCKD_BUFSIZE (1024 + NLMSVC_XDRSIZE)
@@ -118,9 +119,11 @@
          * NFS mount or NFS daemon has gone away, and we've been sent a
          * signal, or else another process has taken over our job.
          */
- while ((nlmsvc_users || !signalled()) && nlmsvc_pid == current->pid)
- {
+ while ((nlmsvc_users || !signalled()) && nlmsvc_pid == current->pid) {
                 long timeout = MAX_SCHEDULE_TIMEOUT;
+
+ if (current->flags & PF_FREEZE)
+ refrigerator(PF_IOTHREAD);
                 if (signalled()) {
                         flush_signals(current);
                         if (nlmsvc_ops) {
--- /usr/src/tmp/linux/net/sunrpc/sched.c 2003-05-27 13:44:18.000000000 +0200
+++ /usr/src/linux/net/sunrpc/sched.c 2003-06-15 20:16:46.000000000 +0200
@@ -20,6 +20,7 @@
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
 #include <linux/spinlock.h>
+#include <linux/suspend.h>
 
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/xprt.h>
@@ -286,7 +287,7 @@
  */
 void rpciod_wake_up(void)
 {
- if(rpciod_pid==0)
+ if (rpciod_pid==0)
                 printk(KERN_ERR "rpciod: wot no daemon?\n");
         if (waitqueue_active(&rpciod_idle))
                 wake_up(&rpciod_idle);
@@ -969,6 +970,8 @@
                         flush_signals(current);
                 }
                 __rpc_schedule();
+ if (current->flags & PF_FREEZE)
+ refrigerator(PF_IOTHREAD);
 
                 if (++rounds >= 64) { /* safeguard */
                         schedule(); 

-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
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