Re: FYI: My current suspend bigdiff
From: Pavel Machek (pavel_at_ucw.cz)
Date: 11/30/03
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Date: Sun, 30 Nov 2003 18:18:33 +0100 To: "Prakash K. Cheemplavam" <prakashpublic@gmx.de>, kernel list <linux-kernel@vger.kernel.org>, jgarzik@pobox.com
Hi!
> >Well... it could work with scsi. You can try it, but be carefull. [If
> >it goes wrong it might eat your data.]
>
> Thats why I use xfs on my main system to test... And I tried with libata
> and it won't work as it complains that the "katad" process cannot be
> stopped, so swsusp immediatly comes back.
I do not know how much more support is needed to allow powermanagment
for libata, but this one should be easy...
[Hmm, I hope it compiles, I certainly do not use libata for now.]
Pavel
--- clean/drivers/scsi/libata-core.c 2003-11-28 17:06:39.000000000 +0100
+++ linux/drivers/scsi/libata-core.c 2003-11-30 18:16:02.000000000 +0100
@@ -34,6 +34,7 @@
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
+#include <linux/suspend.h>
#include <scsi/scsi.h>
#include "scsi.h"
#include "hosts.h"
@@ -2564,6 +2565,8 @@
while (1) {
cond_resched();
+ if (current->flags & PF_FREEZE)
+ refrigerator(PF_IOTHREAD);
timeout = ata_thread_iter(ap);
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