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Re: [Qemu-devel] [PATCH] hw/9pfs: Add CephFS support in VirtFS

From: Aneesh Kumar K.V
Subject: Re: [Qemu-devel] [PATCH] hw/9pfs: Add CephFS support in VirtFS
Date: Sun, 17 Apr 2016 00:23:09 +0530
User-agent: Notmuch/0.20.2 (http://notmuchmail.org) Emacs/24.5.1 (x86_64-pc-linux-gnu)

Greg Kurz <address@hidden> writes:

> On Tue, 15 Mar 2016 00:02:48 +0800
> Jevon Qiao <address@hidden> wrote:
>> Ceph as a promising unified distributed storage system is widely used in the
>> world of OpenStack. OpenStack users deploying Ceph for block (Cinder) and
>> object (S3/Swift) are unsurprisingly looking at Manila and CephFS to round 
>> out
>> a unified storage solution. Since the typical hypervisor people are using is
>> Qemu/KVM, it is necessary to provide a high performance, easy to use, file
>> system service in it. VirtFS aims to offers paravirtualized system services 
>> and
>> simple passthrough for directories from host to guest, which currently only
>> support local file system, this patch wants to add CephFS support in VirtFS.
>> Signed-off-by: Jevon Qiao <address@hidden>
>> ---
> Jevon,
> There's still work to be done on this patch.
> One general remark is that there are far too many traces: it obfuscates the 
> code
> and does not bring much benefit in my opinion. If you look at the other fsdev
> drivers, you see they don't do traces at all !
> Also, I've found several errors where the code simply cannot work... please 
> run
> a file/io oriented testsuite in the guest to check all the fsdev operations 
> are
> working as expected... maybe some tests from LTP ?

Also use this http://tuxera.com/sw/qa/pjd-fstest-20090130-RC.tgz 


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