Re: [PATCH 0/5] nbd improvements

[Markus Pargmann]

Hi Jens,

On 2016 M09 8, Thu 14:13:46 CEST Jens Axboe wrote:
> On 09/08/2016 01:33 PM, Josef Bacik wrote:
> > This is a patch series aimed at bringing NBD into 2016.  The two big
> > components of this series is converting nbd over to using blkmq and
> > then allowing us to provide more than one connection for a nbd device.
> > The NBD user space server doesn't care about how many connections it
> > has to a particular device, so we can easily open multiple
> > connections to the server and allow blkmq to handle multi-plexing over
> > the different connections.  This drastically improves performance
> > with multi-threaded workloads over NBD.  The multi-connection support
> > requires some changes to the NBD userspace client code, and you can
> > find that code here
> > 
> > https://github.com/josefbacik/nbd
> > 
> > I have been testing this for a few months and it is pretty solid and gives
> > excellent performance improvements.  Thanks,
> 
> Not only are these nice performance improvements, it also cleans up the
> code a lot and kills crufty old driver code in favor of using the proper
> APIs instead. I have applied the series for 4.9.

These patches conflict with the patches I picked up for 4.9 that fix the 
issues of dying filesystems on killed NBD block devices.
As I am a kernel hobbiest now, I had to move the git repository recently:
	https://github.com/scosu/linux-nbd

Best Regards,

Markus

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