Messages in this thread | | | Subject | Re: [PATCH 0/5] nbd improvements | From | Jens Axboe <> | Date | Thu, 8 Sep 2016 14:13:46 -0600 |
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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.
-- Jens Axboe
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