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* ub vs. ubd
       [not found]   ` <200409161753.i8GHrM2J003175@ccure.user-mode-linux.org>
@ 2004-09-16 17:34     ` Pete Zaitcev
  2004-09-17  5:23       ` Jeff Dike
  0 siblings, 1 reply; 3+ messages in thread
From: Pete Zaitcev @ 2004-09-16 17:34 UTC (permalink / raw)
  To: Jeff Dike; +Cc: zaitcev, linux-kernel

On Thu, 16 Sep 2004 13:53:22 -0400
Jeff Dike <jdike@addtoit.com> wrote:

> UML doesn't use uba, it uses ubda.

It looks that the numerical syntax remains in ubd_kern.c in places.
For one, the help for ubd_setup recommends it.

Also, disk->disk_name is done with:
  sprintf(disk->disk_name, "ubd");
Can you send me your /proc/partitions from a guest with a few UBDs
configured?

-- Pete

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: ub vs. ubd
  2004-09-16 17:34     ` ub vs. ubd Pete Zaitcev
@ 2004-09-17  5:23       ` Jeff Dike
  2004-09-17  7:38         ` Pete Zaitcev
  0 siblings, 1 reply; 3+ messages in thread
From: Jeff Dike @ 2004-09-17  5:23 UTC (permalink / raw)
  To: Pete Zaitcev; +Cc: linux-kernel

zaitcev@redhat.com said:
> Can you send me your /proc/partitions from a guest with a few UBDs
> configured? 

usermode:~# more /proc/partitions 
major minor  #blocks  name

  98     0    1049600 ubda
  98    16    1049600 ubdb
  98    32     204801 ubdc

				Jeff


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: ub vs. ubd
  2004-09-17  5:23       ` Jeff Dike
@ 2004-09-17  7:38         ` Pete Zaitcev
  0 siblings, 0 replies; 3+ messages in thread
From: Pete Zaitcev @ 2004-09-17  7:38 UTC (permalink / raw)
  To: Jeff Dike; +Cc: linux-kernel, devices

On Fri, 17 Sep 2004 01:23:35 -0400
Jeff Dike <jdike@addtoit.com> wrote:

> zaitcev@redhat.com said:
> > Can you send me your /proc/partitions from a guest with a few UBDs
> > configured? 
> 
> usermode:~# more /proc/partitions 
> major minor  #blocks  name
> 
>   98     0    1049600 ubda
>   98    16    1049600 ubdb
>   98    32     204801 ubdc

I see. So, the appended patch should be appropriate.

-- Pete

--- linux-2.6.9-rc1/Documentation/devices.txt	2004-08-19 17:15:31.000000000 -0700
+++ linux-2.6.9-rc1-ub/Documentation/devices.txt	2004-09-17 00:35:36.996215488 -0700
@@ -1741,10 +1741,14 @@
 		See http://stm.lbl.gov/comedi or http://www.llp.fu-berlin.de/.
 
  98 block	User-mode virtual block device
-		  0 = /dev/ubd0		First user-mode block device
-		  1 = /dev/ubd1		Second user-mode block device
+		  0 = /dev/ubda		First user-mode block device
+		 16 = /dev/ubdb		Second user-mode block device
 		    ...
 
+		Partitions are handled in the same way as for IDE
+		disks (see major number 3) except that the limit on
+		partitions is 15.
+
 		This device is used by the user-mode virtual kernel port.
 
  99 char	Raw parallel ports

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2004-09-17  7:41 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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     [not found]   ` <200409161753.i8GHrM2J003175@ccure.user-mode-linux.org>
2004-09-16 17:34     ` ub vs. ubd Pete Zaitcev
2004-09-17  5:23       ` Jeff Dike
2004-09-17  7:38         ` Pete Zaitcev

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