Re: device-mapper locking rework

[Adam Hamsik <haaaad%gmail.com@localhost>]

On Sep,Tuesday 30 2008, at 12:57 AM, Adam Hamsik wrote:

> Hi folks,
>
> After some discussion with rmind@ and blymn@ I tried to implement  
> better locking
> protocol for my dm driver. I'm attaching result of my work as diff  
> against current
> this diff probably can't be cleanly applied to current haad-dm  
> sources therefore
> I have uploaded my sources here [1].
>
> TODO:
>
> 1) Testing
>
> 2) Think about if current state of ioctl-> ioctl synchronisation is  
> o, if not add
>   ioctl call reference counter like I did for io/table users.
>
> [1] www.netbsd.org/~haad/dm09292008.tar.bz2

I have fixed two small bugs in driver updated patch is here

Attachment: dm_locking.diff
Description: Binary data

Regards

Adam.