linux-kernel - Re: [PATCH 0/5] nbd improvements

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <2902197.L6pTpzKSHP@galactica.lan>
Date:   Thu, 15 Sep 2016 20:53:51 +0200
From:   Markus Pargmann <mpa.kernel@...mp.org>
To:     Jens Axboe <axboe@...com>
Cc:     Josef Bacik <jbacik@...com>, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@...com,
        nbd-general@...ts.sourceforge.net
Subject: Re: [PATCH 0/5] nbd improvements

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
Download attachment "signature.asc" of type "application/pgp-signature" (802 bytes)