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From: Kevin Corry <corryk@us.ibm.com>
Organization: IBM
To: Greg KH <greg@kroah.com>, Joe Thornber <joe@fib011235813.fsnet.co.uk>
Subject: Re: [PATCH 6/8] dm: allow slashes in dm device names
Date: Wed, 26 Feb 2003 12:17:12 -0600
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References: <20030226170537.GA8289@fib011235813.fsnet.co.uk> <20030226171157.GF8369@fib011235813.fsnet.co.uk> <20030226173804.GA16095@kroah.com>
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On Wednesday 26 February 2003 11:38, Greg KH wrote:
> On Wed, Feb 26, 2003 at 05:11:57PM +0000, Joe Thornber wrote:
> > Allow slashes ('/') within a DM device name, but not at the beginning.
> >
> > Devfs will automatically create all necessary sub-directories if a name
> > with embedded slashes is registered.  [Kevin Corry]
>
> Does this interact with the block device name representation in sysfs?
> I don't think sysfs can handle names with '/' very well.

This patch shouldn't affect DM's interaction with sysfs.

The names in sysfs are generated by the DM core, and are all called "dm-x", 
where x is the device minor number.

The names referred to in the above patch are used only by the device-mapper 
ioctl interface, and are not seen by the DM core. These are the names 
generated by the user-space tools, and are the ones that are passed to devfs, 
which doesn't have a problem with embedded slashes.

-- 
Kevin Corry
corryk@us.ibm.com
http://evms.sourceforge.net/
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