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Re: [Qemu-devel] How to find backing file for qemu-nbd?
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] How to find backing file for qemu-nbd? |
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Date: |
Tue, 7 Feb 2017 09:36:47 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
On 02/07/2017 08:25 AM, Nikolay Ivanets wrote:
> Is there any way to find source file supplied for qemu-nbd similar to loop
> device:
>
> cat /sys/block/loop0/loop/backing_file
qemu-nbd is userspace, so there's no way it will be found in /sys/. But
since it is userspace, is it not sufficient to just use 'ps' or
/proc/$n/cmdline to determine what command line qemu-nbd was started with?
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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