[dm-devel] Re: [RFC] device-mapper ioctl interface

[Joe Thornber]

On Fri, Jun 06, 2003 at 11:11:49AM -0500, Kevin Corry wrote:
> Where is your dev tree located?

people.sistina.com/~thornber/internal-patches/raid1/

> So are you saying it would be alright to remove a suspended device that has no 
> pending I/O or isn't open? If so, the current code (in 2.5.70) doesn't seem 
> to coordinate the removal of such a device with another process trying to 
> open it or submit new I/O. Some new locking of the device would be necessary 
> to prevent a device which is being removed from being opened at the same 
> time.

I'll have another look at the code, but I'm pretty certain that the
reference counting of the mapped_device object takes care of all this.

- Joe