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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