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On Thu, 29 Nov 2007, Raymano Garibaldi wrote:

> The feature does work as long as the device remains plugged in and
> that is what I have said in my previous postings too. What I'm saying
> that should work and worked under 2.6.21 and is not working currently
> is the ability to unplug and plug back in the device while the
> computer is suspended before resuming without losing the mount.

Okay, guess I misunderstood what you wrote before.

The patch below for 2.6.23 should do what you want (and more besides).  
It forces the USB Persist feature to apply to all persist-enabled 
devices, whether they were unplugged or not.

There's no chance of this getting accepted into the official kernel in 
such a simple form, but at least it will allow you to do what you want.

Alan Stern

--- 2.6.23/drivers/usb/core/driver.c1	2007-11-29 10:57:36.000000000 -0500
+++ 2.6.23/drivers/usb/core/driver.c	2007-11-29 11:01:44.000000000 -0500
@@ -1550,6 +1550,9 @@
 		if (!(udev->reset_resume && udev->do_remote_wakeup))
 			return -EPERM;
+	/* Force all system resumes to be reset-resumes */
+	udev->reset_resume = 1;
 	return usb_external_resume_device(udev);

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